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1 62001fa lt6200/lt6200-5 LT6200-10/lt6201 n low noise voltage: 0.95nv/ ? hz (100khz) n gain bandwidth product: lt6200/lt6201 165mhz a v = 1 lt6200-5 800mhz a v 3 5 LT6200-10 1.6ghz a v 3 10 n low distortion: C80db at 1mhz, r l = 100 w n dual lt6201 in tiny dfn package n input common mode range includes both rails n output swings rail-to-rail n low offset voltage: 1mv max n wide supply range: 2.5v to 12.6v n output current: 60ma min n sot-23 and so-8 packages n operating temperature range C40 c to 85 c n power shutdown, thermal shutdown 165mhz, rail-to-rail input and output, 0.95nv/ ? hz low noise, op amp family , ltc and lt are registered trademarks of linear technology corporation. the lt ? 6200/lt6201 are single and dual ultralow noise, rail-to-rail input and output unity gain stable op amps that feature 0.95nv/ ? hz noise voltage. these amplifiers com- bine very low noise with a 165mhz gain bandwidth, 50v/ m s slew rate and are optimized for low voltage signal conditioning systems. a shutdown pin reduces supply current during standby conditions and thermal shutdown protects the part from overload conditions. the lt6200-5/LT6200-10 are single amplifiers optimized for higher gain applications resulting in higher gain band- width and slew rate. the lt6200 family maintains its performance for supplies from 2.5v to 12.6v and are specified at 3v, 5v and 5v. for compact layouts the lt6200/lt6200-5/LT6200-10 are available in the 6-lead thinsot tm and the 8-pin so pack- age. the dual lt6201 is available in an 8-pin so package with standard pinouts as well as a tiny, dual fine pitch leadless package (dfn). these amplifiers can be used as plug-in replacements for many high speed op amps to improve input/output range and noise performance. n transimpedance amplifiers n low noise signal processing n active filters n rail-to-rail buffer amplifiers n driving a/d converters features descriptio u applicatio s u + 5v i pd photo diode c f 10k 0.1 f 10k 1k v out 2v +i pd ?r f philips bf862 r f lt6200 6200 ta01 distortion vs frequency single supply, 1.5nv/ ? hz, photodiode amplifier typical applicatio u frequency (hz) 100k ?10 distortion (dbc) ?00 ?0 ?0 ?0 ?0 1m 10m 6200 g35 ?0 hd2, r l = 100 hd3, r l = 100 hd3, r l = 1k a v = 1 v o = 2v p-p v s = 2.5v hd2, r l = 1k thinsot is a trademark of linear technology corporation.
lt6200/lt6200-5 LT6200-10/lt6201 2 62001fa total supply voltage (v + to v C ) ............................ 12.6v total supply voltage (v + to v C ) (lt6201dd) ............. 7v input current (note 2) ........................................ 40ma output short-circuit duration (note 3) ............ indefinite pin current while exceeding supplies (note 12) ............................................................ 30ma operating temperature range (note 4) ...C40 c to 85 c t jmax = 150 c, q ja = 160 c/w (note 10) absolute axi u rati gs w ww u package/order i for atio uu w (note 1) *the temperature grade is identified by a label on the shipping container. consult ltc marketing for parts specified with wider operating temperature ranges. specified temperature range (note 5) ....C40 c to 85 c junction temperature ........................................... 150 c junction temperature (dd package) ................... 125 c storage temperature range ..................C65 c to 150 c storage temperature range (dd package) ...................................... C 65 c to 125 c lead temperature (soldering, 10 sec).................. 300 c t jmax = 150 c, q ja = 100 c/w 6 v + 5 shdn 4 ?n out 1 top view s6 package 6-lead plastic sot-23 v 2 +in 3 top view s8 package 8-lead plastic so 1 2 3 4 8 7 6 5 shdn ?n +in v nc v + out nc + top view s8 package 8-lead plastic so 1 2 3 4 8 7 6 5 out a ?n a +in a v v + out b ?n b +in b + + order part number t jmax = 150 c, q ja = 100 c/w lt6200cs6 lt6200is6 lt6200cs6-5 lt6200is6-5 lt6200cs6-10 lt6200is6-10 s6 part marking* ltjz ltacb ltacc order part number lt6200cs8 lt6200is8 lt6200cs8-5 lt6200is8-5 lt6200cs8-10 lt6200is8-10 s8 part marking 6200 6200i 62005 6200i5 620010 200i10 order part number lt6201cdd dd part marking* ladg order part number lt6201cs8 lt6201is8 s8 part marking 6201 6201i top view dd package 8-lead (3mm 3mm) plastic dfn 5 6 7 8 4 3 2 1 out a ?n a +in a v v + out b ?n b +in b a b t jmax = 125 c, q ja = 160 c/w (note 3) underside metal connected to v C
3 62001fa lt6200/lt6200-5 LT6200-10/lt6201 electrical characteristics symbol parameter conditions min typ max units v os input offset voltage v s = 5v, v cm =half supply 0.1 1 mv v s = 3v, v cm = half supply 0.9 2.5 mv v s = 5v, v cm = v + to v C 0.6 2 mv v s = 3v, v cm = v + to v C 1.8 4 mv input offset voltage match v cm = half supply 0.2 1.1 mv (channel-to-channel) (note 11) v cm = v C to v + 0.5 2.2 mv i b input bias current v cm = half supply C 40 C10 m a v cm = v + 818 m a v cm = v C C50 C23 m a d i b i b shift v cm = v C to v + 31 68 m a i b match (channel-to-channel) (note 11) v cm = v C to v + 0.3 5 m a i os input offset current v cm = half supply 0.1 4 m a v cm = v + 0.02 4 m a v cm = v C 0.4 5 m a input noise voltage 0.1hz to 10hz 600 nv p-p e n input noise voltage density f = 100khz, v s = 5v 1.1 nv/ ? hz f = 10khz, v s = 5v 1.5 2.4 nv/ ? hz i n input noise current density, balanced source f = 10khz, v s = 5v 2.2 pa/ ? hz unbalanced source f = 10khz, v s = 5v 3.5 pa/ ? hz input resistance common mode 0.57 m w differential mode 2.1 k w c in input capacitance common mode 3.1 pf differential mode 4.2 pf a vol large-signal gain v s = 5v, v o = 0.5v to 4.5v, r l = 1k to v s /2 70 120 v/mv v s = 5v, v o = 1v to 4v, r l = 100 w to v s /2 11 18 v/mv v s = 3v, v o = 0.5v to 2.5v, r l = 1k to v s /2 17 70 v/mv cmrr common mode rejection ratio v s = 5v, v cm = v C to v + 65 90 db v s = 5v, v cm = 1.5v to 3.5v 85 112 db v s = 3v, v cm = v C to v + 60 85 db cmrr match (channel-to-channel) (note 11) v s = 5v, v cm = 1.5v to 3.5v 80 105 db psrr power supply rejection ratio v s = 2.5v to 10v, lt6201dd v s = 2.5v to 7v 60 68 db psrr match (channel-to-channel) (note 11) v s = 2.5v to 10v, lt6201dd v s = 2.5v to 7v 65 100 db minimum supply voltage (note 6) 2.5 v v ol output voltage swing low (note 7) no load 9 50 mv i sink = 5ma 50 100 mv v s = 5v, i sink = 20ma 150 290 mv v s = 3v, i sink = 20ma 160 300 mv v oh output voltage swing high (note 7) no load 55 110 mv i source = 5ma 95 190 mv v s = 5v, i source = 20ma 220 400 mv v s = 3v, i source = 20ma 240 450 mv i sc short-circuit current v s = 5v 60 90 ma v s = 3v 50 80 ma i s supply current per amplifier v s = 5v 16.5 20 ma v s = 3v 15 18 ma disabled supply current per amplifier v shdn = 0.3v 1.3 1.8 ma i shdn shdn pin current v shdn = 0.3v 200 280 m a v l v shdn pin input voltage low 0.3 v v h v shdn pin input voltage high v + C 0.5 v t a = 25 c, v s = 5v, 0v; v s = 3v, 0v; v cm = v out = half supply, v shdn = open, unless otherwise noted.
lt6200/lt6200-5 LT6200-10/lt6201 4 62001fa electrical characteristics t a = 25 c, v s = 5v, 0v; v s = 3v, 0v; v cm = v out = half supply, v shdn = open, unless otherwise noted. symbol parameter conditions min typ max units shutdown output leakage current v shdn = 0.3v 0.1 75 m a t on turn-on time v shdn = 0.3v to 4.5v, r l = 100 w , v s = 5v 130 ns t off turn-off time v shdn = 4.5v to 0.3v, r l = 100 w , v s = 5v 180 ns gbw gain bandwidth product frequency = 1mhz, v s = 5v 145 mhz lt6200-5 750 mhz LT6200-10 1450 mhz sr slew rate v s = 5v, a v = C1, r l = 1k, v o = 4v 31 44 v/ m s v s = 5v, a v = C10, r l = 1k, v o = 4v lt6200-5 210 v/ m s LT6200-10 340 v/ m s fpbw full power bandwidth (note 9) v s = 5v, v out = 3v p-p (lt6200) 3.28 4.66 mhz t s settling time (lt6200, lt6201) 0.1%, v s = 5v, v step = 2v, a v = C1, r l = 1k 165 ns symbol parameter conditions min typ max units v os input offset voltage v s = 5v, v cm = half supply l 0.2 1.2 mv v s = 3v, v cm = half supply l 1.0 2.7 mv v s = 5v, v cm = v + to v C l 0.3 3 mv v s = 3v, v cm = v + to v C l 1.5 4 mv input offset voltage match v cm = half supply l 0.2 1.8 mv (channel-to-channel) (note 11) v cm = v C to v + l 0.4 2.8 mv v os tc input offset voltage drift (note 8) v cm = half supply l 2.5 8 m v/ c i b input bias current v cm = half supply l C40 C10 m a v cm = v + l 818 m a v cm = v C l C50 C23 m a i b match (channel-to-channel) (note 11) v cm = v C to v + l 0.5 6 m a d i b i b shift v cm = v C to v + l 31 68 m a i os input offset current v cm = half supply l 0.1 4 m a v cm = v + l 0.02 4 m a v cm = v C l 0.4 5 m a a vol large-signal gain v s = 5v, v o = 0.5v to 4.5v,r l = 1k to v s /2 l 46 80 v/mv v s = 5v, v o = 1.5v to 3.5v,r l = 100 w to v s /2 l 7.5 13 v/mv v s = 3v, v o = 0.5v to 2.5v,r l = 1k to v s /2 l 13 22 v/mv cmrr common mode rejection ratio v s = 5v, v cm = v C to v + l 64 88 db v s = 5v, v cm = 1.5v to 3.5v l 80 105 db v s = 3v, v cm = v C to v + l 60 83 db cmrr match (channel-to-channel) (note 11) v s = 5v, v cm = 1.5v to 3.5v l 80 105 db psrr power supply rejection ratio v s = 3v to 10v, lt6201dd v s = 3v to 7v l 60 65 db psrr match (channel-to-channel) (note 11) v s = 3v to 10v, lt6201dd v s = 3v to 7v l 60 100 db minimum supply voltage (note 6) l 3v v ol output voltage swing low (note 7) no load l 12 60 mv i sink = 5ma l 55 110 mv v s = 5v, i sink = 20ma l 170 310 mv v s = 3v, i sink = 20ma l 170 310 mv v oh output voltage swing high (note 7) no load l 65 120 mv i source = 5ma l 115 210 mv v s = 5v, i source = 20ma l 260 440 mv v s = 3v, i source = 20ma l 270 490 mv the l denotes the specifications which apply over 0 c < t a < 70 c temperature range. v s = 5v, 0v; v s = 3v, 0v; v cm = v out = half supply, v shdn = open, unless otherwise noted.
5 62001fa lt6200/lt6200-5 LT6200-10/lt6201 symbol parameter conditions min typ max units i sc short-circuit current v s = 5v l 60 90 ma v s = 3v l 45 75 ma i s supply current per amplifier v s = 5v l 20 23 ma v s = 3v l 19 22 ma disabled supply current per amplifier v shdn = 0.3v l 1.35 1.8 ma i shdn shdn pin current v shdn = 0.3v l 215 295 m a v l v shdn pin input voltage low l 0.3 v v h v shdn pin input voltage high l v + C 0.5 v shutdown output leakage current v shdn = 0.3v l 0.1 75 m a t on turn-on time v shdn = 0.3v to 4.5v, r l = 100 w , v s = 5v l 130 ns t off turn-off time v shdn = 4.5v to 0.3v, r l = 100 w , v s = 5v l 180 ns sr slew rate v s = 5v, a v = C1, r l = 1k, v o = 4v l 29 42 v/ m s a v = C10, r l = 1k, v o = 4v lt6200-5 l 190 v/ m s LT6200-10 l 310 v/ m s fpbw full power bandwidth (note 9) v s = 5v, v out = 3v p-p (lt6200) l 3.07 4.45 mhz electrical characteristics the l denotes the specifications which apply over 0 c < t a < 70 c temperature range. v s = 5v, 0v; v s = 3v, 0v; v cm = v out = half supply, v shdn = open, unless otherwise noted. symbol parameter conditions min typ max units v os input offset voltage v s = 5v, v cm = half supply l 0.2 1.5 mv v s = 3v, v cm = half supply l 1.0 2.8 mv v s = 5v, v cm = v + to v C l 0.3 3.5 mv v s = 3v, v cm = v + to v C l 1.5 4.3 mv input offset voltage match v cm = half supply l 0.2 2 mv (channel-to-channel) (note 11) v cm = v C to v + l 0.4 3 mv v os tc input offset voltage drift (note 8) v cm = half supply l 2.5 8.0 m v/ c i b input bias current v cm = half supply l C40 C10 m a v cm = v + l 818 m a v cm = v C l C50 C23 m a d i b i b shift v cm = v C to v + l 31 68 m a i b match (channel-to-channel) (note 11) v cm = v C to v + l 19 m a i os input offset current v cm = half supply l 0.1 4 m a v cm = v + l 0.02 4 m a v cm = v C l 0.4 5 m a a vol large-signal gain v s = 5v, v o = 0.5v to 4.5v, r l = 1k to v s /2 l 40 70 v/mv v s = 5v, v o = 1.5v to 3.5v, r l = 100 w to v s /2 l 7.5 13 v/mv v s = 3v, v o = 0.5v to 2.5v,r l = 1k to v s /2 l 11 20 v/mv cmrr common mode rejection ratio v s = 5v, v cm = v C to v + l 60 80 db v s = 5v, v cm = 1.5v to 3.5v l 80 100 db v s = 3v, v cm = v C to v + l 60 80 db cmrr match (channel-to-channel) (note 11) v s = 5v, v cm = 1.5v to 3.5v l 75 105 db psrr power supply rejection ratio v s = 3v to 10v l 60 68 db psrr match (channel-to-channel) (note 11) v s = 3v to 10v l 60 100 db minimum supply voltage (note 6) l 3v v ol output voltage swing low (note 7) no load l 18 70 mv i sink = 5ma l 60 120 mv v s = 5v, i sink = 20ma l 170 310 mv v s = 3v, i sink = 20ma l 175 315 mv the l denotes the specifications which apply over C40 c < t a < 85 c temperature range. excludes the lt6201 in the dd package (note 3). v s = 5v, 0v; v s = 3v, 0v; v cm = v out = half supply, v shdn = open, unless otherwise noted. (note 5)
lt6200/lt6200-5 LT6200-10/lt6201 6 62001fa electrical characteristics symbol parameter conditions min typ max units v oh output voltage swing high (note 7) no load l 65 120 mv i source = 5ma l 115 210 mv v s = 5v, i source = 20ma l 270 450 mv v s = 3v, i source = 20ma l 280 500 mv i sc short-circuit current v s = 5v l 50 80 ma v s = 3v l 30 60 ma i s supply current per amplifier v s = 5v l 22 25.3 ma v s = 3v l 20 23 ma disabled supply current per amplifier v shdn = 0.3v l 1.4 1.9 ma i shdn shdn pin current v shdn = 0.3v l 220 300 m a v l v shdn pin input voltage low l 0.3 v v h v shdn pin input voltage high l v + C 0.5 v shutdown output leakage current v shdn = 0.3v l 0.1 75 m a t on turn-on time v shdn = 0.3v to 4.5v, r l = 100 w , v s = 5v l 130 ns t off turn-off time v shdn = 4.5v to 0.3v, r l = 100 w , v s = 5v l 180 ns sr slew rate v s = 5v, a v = C1, r l = 1k, v o = 4v l 23 33 v/ m s a v = C10, r l = 1k, v o = 4v lt6200-5 l 160 v/ m s LT6200-10 l 260 v/ m s fpbw full power bandwidth (note 9) v s = 5v, v out = 3v p-p (lt6200) l 2.44 3.5 mhz the l denotes the specifications which apply over C40 c < t a < 85 c temperature range. excludes the lt6201 in the dd package (note 3). v s = 5v, 0v; v s = 3v, 0v; v cm = v out = half supply, v shdn = open, unless otherwise noted. (note 5) symbol parameter conditions min typ max units v os input offset voltage v cm = half supply 1.4 4 mv v cm = v + 2.5 6 mv v cm = v C 2.5 6 mv input offset voltage match v cm = 0v 0.2 1.6 mv (channel-to-channel) (note 11) v cm = v C to v + 0.4 3.2 mv i b input bias current v cm = half supply C 40 C10 m a v cm = v + 818 m a v cm = v C C50 C23 m a d i b i b shift v cm = v C to v + 31 68 m a i b match (channel-to-channel) (note 11) v cm = v C to v + 0.2 6 m a i os input offset current v cm = half supply 1.3 7 m a v cm = v + 17 m a v cm = v C 312 m a input noise voltage 0.1hz to 10hz 600 nv p-p e n input noise voltage density f = 100khz 0.95 nv/ ? hz f = 10khz 1.4 2.3 nv/ ? hz i n input noise current density, balanced source f = 10khz 2.2 pa/ ? hz unbalanced source f = 10khz 3.5 pa/ ? hz input resistance common mode 0.57 m w differential mode 2.1 k w c in input capacitance common mode 3.1 pf differential mode 4.2 pf a vol large-signal gain v o = 4.5v, r l = 1k 115 200 v/mv v o = 2v, r l = 100 15 26 v/mv t a = 25 c, v s = 5v, v cm = v out = 0v, v shdn = open, unless otherwise noted. excludes the lt6201 in the dd package (note 3).
7 62001fa lt6200/lt6200-5 LT6200-10/lt6201 symbol parameter conditions min typ max units cmrr common mode rejection ratio v cm = v C to v + 68 96 db v cm = C2v to 2v 75 100 db cmrr match (channel-to-channel) (note 11) v cm = C2v to 2v 80 105 db psrr power supply rejection ratio v s = 1.25v to 5v 60 68 db psrr match (channel-to-channel) (note 6) v s = 1.25v to 5v 65 100 db v ol output voltage swing low (note 7) no load 12 50 mv i sink = 5ma 55 110 mv i sink = 20ma 150 290 mv v oh output voltage swing high (note 7) no load 70 130 mv i source = 5ma 110 210 mv i source = 20ma 225 420 mv i sc short-circuit current 60 90 ma i s supply current per amplifier 20 23 ma disabled supply current per amplifier v shdn = 0.3v 1.6 2.1 ma i shdn shdn pin current v shdn = 0.3v 200 280 m a v l v shdn pin input voltage low 0.3 v v h v shdn pin input voltage high v + C 0.5 v shutdown output leakage current v shdn = 0.3v 0.1 75 m a t on turn-on time v shdn = 0.3v to 4.5v, r l = 100 w , v s = 5v 130 ns t off turn-off time v shdn = 4.5v to 0.3v, r l = 100 w , v s = 5v 180 ns gbw gain bandwidth product frequency = 1mhz 110 165 mhz lt6200-5 530 800 mhz LT6200-10 1060 1600 mhz sr slew rate a v = C1, r l = 1k, v o = 4v 35 50 v/ m s a v = C10, r l = 1k, v o = 4v lt6200-5 175 250 v/ m s LT6200-10 315 450 v/ m s fpbw full power bandwidth (note 9) v out = 3v p-p (LT6200-10) 33 47 mhz t s settling time (lt6200, lt6201) 0.1%, v step = 2v, a v = C1, r l = 1k 140 ns electrical characteristics t a = 25 c, v s = 5v, v cm = v out = 0v, v shdn = open, unless otherwise noted. excludes the lt6201 in the dd package (note 3).
lt6200/lt6200-5 LT6200-10/lt6201 8 62001fa symbol parameter conditions min typ max units v os input offset voltage v cm = half supply l 1.9 4.5 mv v cm = v + l 3.5 7.5 mv v cm = v C l 3.5 7.5 mv input offset voltage match v cm = 0v l 0.2 1.8 mv (channel-to-channel) (note 11) v cm = v C to v + l 0.4 3.4 mv v os tc input offset voltage drift (note 8) v cm = half supply l 8.2 24 m v/ c i b input bias current v cm = half supply l C40 C10 m a v cm = v + l 818 m a v cm = v C l C50 C23 m a d i b i b shift v cm = v C to v + l 31 68 m a i b match (channel-to-channel) (note 11) v cm = v C to v + l 19 m a i os input offset current v cm = half supply l 1.3 10 m a v cm = v + l 1.0 10 m a v cm = v C l 3.5 15 m a a vol large-signal gain v o = 4.5v, r l = 1k l 46 80 v/mv v o = 2v, r l = 100 l 7.5 13.5 v/mv cmrr common mode rejection ratio v cm = v C to v + l 65 90 db v cm = C2v to 2v l 75 100 db cmrr match (channel-to-channel) (note 11) v cm = C2v to 2v l 75 105 db psrr power supply rejection ratio v s = 1.5v to 5v l 60 65 db psrr match (channel-to-channel) (note 6) v s = 1.5v to 5v l 60 100 db v ol output voltage swing low (note 7) no load l 16 70 mv i sink = 5ma l 60 120 mv i sink = 20ma l 170 310 mv v oh output voltage swing high (note 7) no load l 85 150 mv i source = 5ma l 125 230 mv i source = 20ma l 265 480 mv i sc short-circuit current l 60 90 ma i s supply current per amplifier l 25 29 ma disabled supply current per amplifier v shdn = 0.3v l 1.6 2.1 ma i shdn shdn pin current v shdn = 0.3v l 215 295 m a v l v shdn pin input voltage low l 0.3 v v h v shdn pin input voltage high l v + C 0.5 v shutdown output leakage current v shdn = 0.3v l 0.1 75 m a t on turn-on time v shdn = 0.3v to 4.5v, r l = 100 w , v s = 5v l 130 ns t off turn-off time v shdn = 4.5v to 0.3v, r l = 100 w , v s = 5v l 180 ns sr slew rate a v = C1, r l = 1k, v o = 4v l 31 44 v/ m s a v = C10, r l = 1k, v o = 4v lt6200-5 l 150 215 v/ m s LT6200-10 l 290 410 v/ m s fpbw full power bandwidth (note 9) v out = 3v p-p (LT6200-10) l 30 43 mhz the l denotes the specifications which apply over 0 c < t a < 70 c temperature range. excludes the lt6201 in the dd package (note 3). v s = 5v, v cm = v out = 0v, v shdn = open, unless otherwise noted. electrical characteristics
9 62001fa lt6200/lt6200-5 LT6200-10/lt6201 symbol parameter conditions min typ max units v os input offset voltage v cm = half supply l 1.9 4.5 mv v cm = v + l 3.5 7.5 mv v cm = v C l 3.5 7.5 mv input offset voltage match v cm = 0v l 0.2 2.0 mv (channel-to-channel) (note 11) v cm = v C to v + l 0.4 3.6 mv v os tc input offset voltage drift (note 8) v cm = half supply l 8.2 24 m v/ c i b input bias current v cm = half supply l C40 C10 m a v cm = v + l 818 m a v cm = v C l C50 C23 m a d i b i b shift v cm = v C to v + l 31 68 m a i b match (channel-to-channel) (note 11) l 412 m a i os input offset current v cm = half supply l 1.3 10 m a v cm = v + l 1.0 10 m a v cm = v C l 3.5 15 m a a vol large-signal gain v o = 4.5v, r l = 1k l 46 80 v/mv v o = 2v r l = 100 l 7.5 13.5 v/mv cmrr common mode rejection ratio v cm = v C to v + l 65 90 db v cm = C2v to 2v l 75 100 db cmrr match (channel-to-channel) (note 11) v cm = C2v to 2v l 75 105 db psrr power supply rejection ratio v s = 1.5v to 5v l 60 65 db psrr match (channel-to-channel) (note 6) v s = 1.5v to 5v l 60 100 db v ol output voltage swing low (note 7) no load l 16 75 mv i sink = 5ma l 60 125 mv i sink = 20ma l 170 310 mv v oh output voltage swing high (note 7) no load l 85 150 mv i source = 5ma l 125 230 mv i source = 20ma l 265 480 mv i sc short-circuit current l 60 90 ma i s supply current l 25 29 ma disabled supply current v shdn = 0.3v l 1.6 2.1 ma i shdn shdn pin current v shdn = 0.3v l 215 295 m a v l v shdn pin input voltage low l 0.3 v v h v shdn pin input voltage high l v + C 0.5 v shutdown output leakage current v shdn = 0.3v l 0.1 75 m a t on turn-on time v shdn = 0.3v to 4.5v, r l = 100 w , v s = 5v l 130 ns t off turn-off time v shdn = 4.5v to 0.3v, r l = 100 w , v s = 5v l 180 ns sr slew rate a v = C1, r l = 1k, v o = 4v l 31 44 v/ m s a v = C10, r l = 1k, v o = 4v lt6200-5 l 125 180 v/ m s LT6200-10 l 260 370 v/ m s fpbw full power bandwidth (note 9) v out = 3v p-p (LT6200-10) l 27 39 mhz electrical characteristics the l denotes the specifications which apply over C40 c < t a < 85 c temperature range. excludes the lt6201 in the dd package (note 3). v s = 5v, v cm = v out = 0v, v shdn = open, unless otherwise noted. (note 5) note 1: absolute maximum ratings are those values beyond which the life of the device may be impaired. note 2: inputs are protected by back-to-back diodes. if the differential input voltage exceeds 0.7v, the input current must be limited to less than 40ma. note 3: a heat sink may be required to keep the junction temperature below the absolute maximum rating when the output is shorted indefinitely. the lt6201 in the dd package is limited by power dissipation to v s 5v, 0v over the commercial temperature range only. note 4: the lt6200c/lt6200i and lt6201c/lt6201i are guaranteed functional over the temperature range of C40 c and 85 c (lt6201dd excluded).
lt6200/lt6200-5 LT6200-10/lt6201 10 62001fa typical perfor a ce characteristics uw v os distribution, v cm = v + /2 input offset voltage ( v) ?000 number of units 80 70 60 50 40 30 20 10 0 600 6200 g01 600 200 200 1000 v s = 5v, 0v so-8 input offset voltage ( v) 16001200 number of units 40 60 1600 6200 g02 20 0 800 400 0 400 800 1200 80 30 50 10 70 v s = 5v, 0v so-8 input offset voltage ( v) 16001200 number of units 40 60 1600 6200 g03 20 0 800 400 0 400 800 1200 80 30 50 10 70 v s = 5v, 0v so-8 v os distribution, v cm = v + v os distribution, v cm = v C electrical characteristics note 5: the lt6200c/lt6201c are guaranteed to meet specified performance from 0 c to 70 c. the lt6200c/lt6201c are designed, characterized and expected to meet specified performance from C 40 c to 85 c, but are not tested or qa sampled at these temperatures. the lt6200i is guaranteed to meet specified performance from C40 c to 85 c. note 6: minimum supply voltage is guaranteed by power supply rejection ratio test. note 7: output voltage swings are measured between the output and power supply rails. note 8: this parameter is not 100% tested. note 9: full-power bandwidth is calculated from the slew rate: fpbw = sr/2 p v p note 10: thermal resistance varies depending upon the amount of pc board metal attached to the v C pin of the device. q ja is specified for a certain amount of 2oz copper metal trace connecting to the v C pin as described in the thermal resistance tables in the application information section. note 11: matching parameters on the lt6201 are the difference between the two amplifiers. cmrr and psrr match are defined as follows: cmrr and psrr are measured in m v/v on the identical amplifiers. the difference is calculated in m v/v. the result is converted to db. note 12: there are reverse biased esd diodes on all inputs and outputs as shown in figure 1. if these pins are forced beyond either supply, unlimited current will flow through these diodes. if the current is transient in nature and limited to less than 30ma, no damage to the device will occur. supply current vs supply voltage offset voltage vs input common mode voltage input bias current vs common mode voltage total supply voltage (v) 0 supply current (ma) 20 25 30 610 6200 g04 15 10 24 81214 5 0 t a = 125 c t a = 55 c t a = 25 c input common mode voltage (v) 0 ?.5 offset voltage (mv) ?.0 0 0.5 1.0 2 4 5 3.0 6200 g05 0.5 13 1.5 2.0 2.5 v s = 5v, 0v typical part t a = 125 c t a = 55 c t a = 25 c common mode voltage (v) ? input bias current ( a) 0 10 20 24 6200 g06 ?0 ?0 01 356 ?0 ?0 v s = 5v, 0v t a = 125 c t a = 55 c t a = 25 c
11 62001fa lt6200/lt6200-5 LT6200-10/lt6201 input bias current vs temperature output saturation voltage vs load current (output low) temperature ( c) ?0 ? input bias current ( a) ?5 ?0 ?5 ?0 20 5 ?0 10 25 85 6200 g07 ?0 10 15 0 ?5 5 40 55 70 v s = 5v, 0v v cm = 5v v cm = 0v load current (ma) 0.01 output saturation voltage (v) 0.1 1 10 1 10 100 6200 g08 0.001 0.1 v s = 5v, 0v t a = 125 c t a = 55 c t a = 25 c output saturation voltage vs load current (output high) load current (ma) 0.1 0.01 output saturation voltage (v) 0.1 1 10 1 10 100 6200 g09 v s = 5v, 0v t a = 125 c t a = 55 c t a = 25 c typical perfor a ce characteristics uw minimum supply voltage output short-circuit current vs power supply voltage open-loop gain total supply voltage (v) 2.0 change in offset votlage (mv) ?.0 1.0 ?.5 0.5 0.5 0 1234 6200 g10 5 0.5 0 1.5 2.5 3.5 4.5 t a = 55 c t a = 125 c t a = 25 c v cm = v s /2 power supply voltage ( v) 1.5 output short-circuit current (ma) ?0 80 100 120 2.5 3.5 4 6200 g11 ?0 40 0 ?0 60 ?20 ?00 20 ?0 2 3 4.5 5 t a = 55 c t a = 55 c t a = 125 c t a = 125 c t a = 25 c sourcing sinking t a = 25 c output voltage (v) 0 2.5 input voltage (mv) ?.5 0.5 0.5 0.5 1 1.5 2 6200 g12 2.5 1.5 2.5 2.0 ?.0 0 1.0 2.0 3 v s = 3v, 0v t a = 25 c r l = 1k r l = 100 open-loop gain open-loop gain offset voltage vs output current output voltage (v) 0 2.5 input voltage (mv) ?.5 0.5 0.5 1 2 34 6200 g13 1.5 2.5 2.0 ?.0 0 1.0 2.0 5 v s = 5v, 0v t a = 25 c r l = 1k r l = 100 output voltage (v) ? input voltage (mv) 0.5 1.5 2.5 3 6200 g14 0.5 ?.5 0 1.0 2.0 ?.0 2.0 2.5 ? ? ? ? 12 4 0 5 v s = 5v t a = 25 c r l = 1k r l = 100 output current (ma) ?5 offset voltage (mv) ? 5 15 ?0 0 10 60 ?0 20 60 6200 g15 100 ?00 v s = 5v t a = 125 c t a = 55 c t a = 25 c
lt6200/lt6200-5 LT6200-10/lt6201 12 62001fa typical perfor a ce characteristics uw warm-up drift vs time (lt6200s8) total noise vs source resistance input noise voltage vs frequency time after power-up (sec) 0 0 change in offset voltage ( v) 50 100 150 200 40 80 120 160 6200 g16 250 300 20 60 100 140 t a = 25 c v s = 5v v s = 1.5v v s = 2.5v source resistance ( ) 1 total noise voltage (nv/ hz) 10 10 1k 10k 100k 6200 g17 0.1 100 100 lt6200 total noise resistor noise lt6200 amplifier noise voltage v s = 5v v cm = 0v f = 100khz unbalanced source resistors frequency (hz) 10 noise voltage (nv/ hz) 25 30 35 100k 6200 g18 20 15 0 100 1k 10k 10 5 45 40 v s = 5v, 0v t a = 25 c pnp active v cm = 0.5v npn active v cm = 4.5v both active v cm = 2.5v balanced noise current vs frequency 0.1hz to 10hz output noise voltage frequency (hz) 5 balanced noise current (pa/ hz) 10 15 20 25 10 1k 10k 100k 6200 g19 0 100 v s = 5v, 0v t a = 25 c balanced source resistance pnp active v cm = 0.5v npn active v cm = 4.5v both active v cm = 2.5v unbalanced noise current vs frequency frequency (hz) 10 unbalanced noise current (pa/ hz) 20 30 35 10 1k 10k 100k 6200 g20 0 100 25 15 5 v s = 5v, 0v t a = 25 c unbalanced source resistance pnp active v cm = 0.5v both active v cm = 2.5v npn active v cm = 4.5v time (5sec/div) output voltage noise (nv) 6200 g21 v s = 5v, 0v v cm = v s /2 800 600 400 200 0 200 400 600 800 supply current vs shdn pin voltage shdn pin voltage (v) 0 0 supply current (ma) 4 8 12 16 1234 6200 g43 5 20 2 6 10 14 18 22 t a = 55 c t a = 25 c t a = 125 c v s = 5v, 0v shdn pin current vs shdn pin voltage shdn pin voltage (v) 0 ?0 0 50 4 6200 g44 ?00 ?50 123 5 200 250 300 shdn pin current ( a) t a = 25 c t a = 125 c v s = 5v, 0v t a = 55 c
13 62001fa lt6200/lt6200-5 LT6200-10/lt6201 typical perfor a ce characteristics uw gain bandwidth and phase margin vs temperature open-loop gain vs frequency temperature ( c) ?0 100 gain bandwidth (mhz) 120 160 180 50 6200 g22 140 40 phase margin (deg) 50 70 60 0 ?5 75 100 25 125 v s = 5v v s = 5v v s = 3v, 0v v s = 3v, 0v phase margin gain bandwidth frequency (hz) 10 gain (db) phase (deg) 70 80 0 ?0 60 30 50 40 20 100k 10m 100m 1g 6200 g23 ?0 ?0 100 120 ?0 ?0 80 20 60 40 0 ?0 1m v cm = 0.5v v cm = 0.5v v cm = 4.5v v cm = 4.5v phase gain v s = 5v, 0v c l = 5pf r l = 1k gain bandwidth and phase margin vs supply voltage open-loop gain vs frequency frequency (hz) 10 gain (db) phase (deg) 70 80 0 ?0 60 30 50 40 20 100k 10m 100m 1g 6200 g24 ?0 ?0 100 120 ?0 ?0 80 20 60 40 0 ?0 1m v s = 5v v s = 5v v s = 1.5v v s = 1.5v phase gain v cm = 0v c l = 5pf r l = 1k total supply voltage (v) 0 gain bandwidth (mhz) phase margin (deg) 140 60 70 80 4 8 10 6200 g25 100 40 180 120 50 80 30 160 2 6 12 14 t a = 25 c r l = 1k c l = 5pf phase margin gain bandwidth lt6200, lt6201 slew rate vs temperature common mode rejection ratio vs frequency output impedance vs frequency temperature ( c) 55 ?5 ?5 5 25 45 65 85 105 0 slew rate (v/ s) 20 40 60 140 6200 g26 125 80 100 120 a v = ? r f = r g = 1k r l = 1k v s = 5v rising v s = 2.5v rising v s = 2.5v falling v s = 5v falling frequency (mhz) 0.1 1 output impedance ( ) 100 10 0.1 1 10 6200 g27 0.01 1000 100 v s = 5v, 0v a v = 10 a v = 2 a v = 1 frequency (hz) 40 common mode rejection ratio (db) 80 120 20 60 100 10k 1m 10m 100m 1g 6200 g28 0 100k v s = 5v, 0v v cm = v s /2
lt6200/lt6200-5 LT6200-10/lt6201 14 62001fa typical perfor a ce characteristics uw power supply rejection ratio vs frequency overshoot vs capacitive load frequency (hz) 20 power supply rejection ratio (db) 30 50 70 80 1k 100k 1m 100m 6200 g29 10 10k 10m 60 40 0 v s = 5v, 0v v cm = v s /2 t a = 25 c positive supply negative supply capacitive load (pf) 10 0 overshoot (%) 10 20 40 100 1000 6200 g30 30 5 15 35 25 v s = 5v, 0v a v = 1 r s = 10 r s = 20 r s = 50 r l = 50 capacitive load (pf) 10 0 overshoot (%) 10 20 30 40 60 100 1000 6200 g31 50 v s = 5v, 0v a v = 2 r s = 10 r s = 20 r s = 50 r l = 50 settling time vs output step (noninverting) output step (v) ? 0 settling time (ns) 50 100 150 200 ? ? ? 0 6200 g32 1234 500 v out v in + v s = 5v a v = 1 t a = 25 c 1mv 1mv 10mv 10mv maximum undistorted output signal vs frequency settling time vs output step (inverting) output step (v) ? 0 settling time (ns) 50 100 150 200 ? ? ? 0 6200 g33 1234 v s = 5v a v = ? t a = 25 c 1mv 10mv 10mv 500 500 v out v in + 1mv frequency (hz) 10k 6 output voltage swing (v p-p ) 8 10 100k 1m 10m 6200 g34 4 5 7 9 3 2 a v = 2 v s = 5v t a = 25 c hd2, hd3 < 40dbc a v = ? lt6200, lt6201 overshoot vs capacitive load distortion vs frequency, a v = 1 frequency (hz) 100k ?10 distortion (dbc) ?00 ?0 ?0 ?0 ?0 1m 10m 6200 g36 ?0 hd2, r l = 100 hd3, r l = 100 hd3, r l = 1k a v = 1 v o = 2v p-p v s = 5v hd2, r l = 1k distortion vs frequency, a v = 2 frequency (hz) ?10 ?0 ?0 ?00 ?0 ?0 ?0 ?0 6200 g37 distortion (dbc) 100k 10m 1m hd2, r l = 100 hd3, r l = 1k a v = 2 v o = 2v p-p v s = 2.5v hd2, r l = 1k hd3, r l = 100 distortion vs frequency, a v = 1 frequency (hz) 100k ?10 distortion (dbc) ?00 ?0 ?0 ?0 ?0 1m 10m 6200 g35 ?0 hd2, r l = 100 hd3, r l = 100 hd3, r l = 1k a v = 1 v o = 2v p-p v s = 2.5v hd2, r l = 1k
15 62001fa lt6200/lt6200-5 LT6200-10/lt6201 distortion vs frequency, a v = 2 frequency (hz) ?10 ?0 ?0 ?00 ?0 ?0 ?0 ?0 6200 g38 distortion (dbc) 100k 10m 1m hd2, r l = 100 hd3, r l = 1k a v = 2 v o = 2v p-p v s = 5v hd2, r l = 1k hd3, r l = 100 5v large-signal response 5v 0v 1v/div v s = 5v, 0v 200ns/div 6200 g39 a v = 1 r l = 1k 5v small-signal response 50mv/div v s = 5v, 0v 200ns/div 6200 g40 a v = 1 r l = 1k 5v large-signal response 0v 2v/div v s = 5v 200ns/div 6200 g41 a v = 1 r l = 1k output overdrive recovery v in 1v/div v s = 5v, 0v 200ns/div 6200 g42 a v = 2 v out 2v/div typical perfor a ce characteristics uw lt6200, lt6201 channel separation vs frequency frequency (mhz) 0.1 ?0 voltage gain (db) ?0 ?0 1 10 100 6200 g77 ?00 ?20 0 ?0 ?0 ?0 ?0 ?10 ?0 ?0 t a = 25 c a v = 1 v s = 5v 0v 0v
lt6200/lt6200-5 LT6200-10/lt6201 16 62001fa typical perfor a ce characteristics uw lt6200-5 gain bandwidth and phase margin vs temperature temperature ( c) ?0 500 gain bandwidth (mhz) phase margin (deg) 600 800 900 1000 50 6200 g45 700 0 ?5 75 100 25 125 50 90 60 70 80 v s = 5v v s = 5v phase margin gain bandwidth v s = 3v, 0v v s = 3v, 0v temperature ( c) 55 ?5 0 25 50 75 100 0 slew rate (v/ s) 100 150 200 250 450 6200 g46 125 300 350 400 a v = ? r f = r l = 1k r g = 200 v s = 5v rising v s = 2.5v rising v s = 2.5v falling v s = 5v falling capacitive load (pf) 10 0 overshoot (%) 10 20 30 40 60 100 1000 6200 g47 50 v s = 5v, 0v a v = 5 r s = 0 r s = 10 r s = 20 r s = 50 slew rate vs temperature overshoot vs capacitive load power supply rejection ratio vs frequency frequency (hz) 20 power supply rejection ratio (db) 30 50 70 80 1k 100k 1m 100m 6200 g48 10 10k 10m 60 40 0 positive supply negative supply v s = 5v, 0v t a = 25 c v cm = v s /2 frequency (hz) 0.01 0.1 output impedance ( ) 10 1 100k 1m 10m 6200 g49 100 1000 100m v s = 5v, 0v a v = 50 a v = 5 frequency (hz) 30 gain (db) phase (deg) 90 100 20 10 80 50 70 60 40 100k 10m 100m 1g 6200 g50 ?0 0 100 120 80 20 60 40 0 1m v s = 5v gain phase v s = 5v v s = 1.5v v s = 1.5v v cm = 0v c l = 5pf r l = 1k output impedance vs frequency open-loop gain vs frequency open-loop gain vs frequency gain bandwidth and phase margin vs supply voltage gain bandwidth vs resistor load frequency (hz) 30 gain (db) phase (deg) 90 100 20 10 80 50 70 60 40 100k 10m 100m 1g 6200 g51 ?0 0 ?0 100 120 ?0 ?0 80 20 60 40 0 ?00 ?0 1m v cm = 0.5v v cm = 0.5v gain phase v cm = 4.5v v cm = 4.5v v s = 5v, 0v c l = 5pf r l = 1k total supply voltage (v) 0 gain bandwidth (mhz) phase margin (deg) 1000 6 10 6200 g52 800 600 400 24 8 50 60 70 80 90 12 t a = 25 c r l = 1k c l = 5pf phase margin gain bandwidth resistor load ( ) 0 0 gain bandwidth (mhz) 100 300 400 500 600 700 800 900 900 g200 g53 200 100 200 300 400 500 1000 600 700 800 v s = 5v r f = 10k r g = 1k t a = 25 c
17 62001fa lt6200/lt6200-5 LT6200-10/lt6201 typical perfor a ce characteristics uw lt6200-5 common mode rejection ratio vs frequency maximum undistorted output signal vs frequency 2nd and 3rd harmonic distortion vs frequency frequency (hz) 40 common mode rejection ratio (db) 80 120 20 60 100 10k 1m 10m 100m 1g 6200 g54 0 100k v s = 5v, 0v v cm = v s /2 frequency (hz) 3 output voltage swing (v p-p ) 9 10 2 1 8 5 7 6 4 10k 1m 10m 100m 6200 g55 0 100k v s = 5v a v = 5 t a = 25 c frequency (hz) 10k ?00 distortion (db) ?0 ?0 ?0 100k 1m 10m 6200 g56 ?0 ?0 ?0 a v = 5 v o = 2v p-p v s = 2.5v r l = 100 , 3rd r l = 100 , 2nd r l = 1k, 2nd r l = 1k, 3rd 2nd and 3rd harmonic distortion vs frequency 5v large-signal response output-overdrive recovery frequency (hz) 10k ?10 ?00 distortion (db) ?0 ?0 ?0 100k 1m 10m 6200 g57 ?0 ?0 ?0 a v = 5 v o = 2v p-p v s = 5v r l = 100 , 3rd r l = 100 , 2nd r l = 1k, 3rd r l = 1k, 2nd 5v 2v/div 0v C5v v s = 5v 50ns/div 6200 g58 a v = 5 r l = 1k c l = 10.8pf scope probe 0v v s = 5v, 0v 50ns/div 6200 g59 a v = 5 c l = 10.8pf scope probe 0v v in 1v/div v out 2v/div input referred high frequency noise spectrum 5v small-signal response 10nv 1nv/ ? hz/div 0nv 100khz 15mhz/div 150mhz 6200 g60 50mv/div 0v v s = 5v, 0v 50ns/div 6200 g61 a v = 5 r l = 1k c l = 10.8pf scope probe noise limited by instrument noise floor
lt6200/lt6200-5 LT6200-10/lt6201 18 62001fa typical perfor a ce characteristics uw LT6200-10 gain bandwidth and phase margin vs temperature slew rate vs temperature overshoot vs capacitive load power supply rejection ratio vs frequency output impedance vs frequency open-loop gain vs frequency open-loop gain vs frequency gain bandwidth and phase margin vs supply voltage gain bandwidth vs resistor load temperature ( c) ?0 1000 gain bandwidth (mhz) phase margin (deg) 1200 1600 1800 2000 50 6200 g62 1400 0 ?5 75 100 25 125 50 60 70 80 v s = 5v v s = 5v phase margin gain bandwidth v s = 3v, 0v v s = 3v, 0v temperature ( c) ?0 slew rate (v/ s) 350 650 700 750 0 50 75 6200 g63 250 550 450 300 600 150 200 500 400 ?5 25 100 125 a v = ?0 r f = r l = 1k r g = 100 v s = 5v rising v s = 2.5v rising v s = 2.5v falling v s = 5v falling capacitive load (pf) 10 0 overshoot (%) 10 20 30 40 60 100 1000 6200 g64 50 v s = 5v, 0v a v = 10 r s = 0 r s = 10 r s = 20 r s = 50 frequency (hz) 20 power supply rejection ratio (db) 30 50 70 80 1k 100k 1m 100m 6200 g65 10 10k 10m 60 40 0 positive supply negative supply v s = 5v, 0v t a = 25 c v cm = v s /2 frequency (hz) 0.01 0.1 output impedance ( ) 10 1 100k 1m 10m 6200 g66 100 1000 100m v s = 5v, 0v a v = 100 a v = 10 frequency (hz) 30 gain (db) phase (deg) 90 100 20 10 80 50 70 60 40 100k 10m 100m 1g 6200 g67 ?0 0 100 120 80 20 60 40 0 1m v s = 5v v s = 5v gain phase v cm = 0v c l = 5pf r l = 1k v s = 1.5v v s = 1.5v frequency (hz) 30 gain (db) phase (deg) 90 100 20 10 80 50 70 60 40 100k 10m 100m 1g 6200 g68 ?0 0 ?0 100 120 ?0 ?0 80 20 60 40 0 ?00 ?0 1m v cm = 0.5v v cm = 0.5v gain phase v s = 5v, 0v c l = 5pf r l = 1k v cm = 4.5v v cm = 4.5v total supply voltage (v) 0 gain bandwidth (mhz) phase margin (deg) 1600 1800 6 10 6200 g69 1400 1200 1000 24 8 50 60 70 80 90 12 t a = 25 c r l = 1k c l = 5pf phase margin gain bandwidth resistor load ( ) 0 0 gain bandwidth (mhz) 200 600 800 1000 600 700 800 900 1800 g200 g70 400 100 200 300 400 500 1000 1200 1400 1600 v s = 5v r f = 10k r g = 1k t a = 25 c
19 62001fa lt6200/lt6200-5 LT6200-10/lt6201 typical perfor a ce characteristics uw LT6200-10 common mode rejection ratio vs frequency maximum undistorted output signal vs frequency 2nd and 3rd harmonic distortion vs frequency 2nd and 3rd harmonic distortion vs frequency 5v large-signal response output-overdrive recovery 2v/div 0v v s = 5v 50ns/div 6200 g75 a v = 10 r l = 1k c l = 10.8pf scope probe 0v v s = 5v, 0v 50ns/div 6200 g76 a v = 10 c l = 10.8pf scope probe 0v v in 1v/div v out 2v/div 5v small-signal response 50mv/div 0v v s = 5v, 0v 50ns/div 6200 g78 a v = 10 r l = 1k c l = 10.8pf scope probe frequency (hz) 40 common mode rejection ratio (db) 80 120 20 60 100 10k 1m 10m 100m 1g 6200 g71 0 100k v s = 5v, 0v v cm = v s /2 frequency (hz) 3 output voltage swing (v p-p ) 9 10 2 1 8 5 7 6 4 10k 1m 10m 100m 6200 g72 0 100k v s = 5v a v = 10 t a = 25 c frequency (hz) 10k ?00 distortion (db) ?0 ?0 ?0 100k 1m 10m 6200 g73 ?0 ?0 ?0 a v = 10 v o = 2v p-p v s = 2.5v r l = 100 , 3rd r l = 100 , 2nd r l = 1k, 2nd r l = 1k, 3rd frequency (hz) 10k ?10 ?00 distortion (db) ?0 ?0 ?0 100k 1m 10m 6200 g74 ?0 ?0 ?0 a v = 10 v o = 2v p-p v s = 5v r l = 100 , 3rd r l = 100 , 2nd r l = 1k, 2nd r l = 1k, 3rd 5v C5v input referred high frequency noise spectrum 10nv 1nv/ ? hz/div 0nv 100khz 15mhz/div 150mhz 6200 g77
lt6200/lt6200-5 LT6200-10/lt6201 20 62001fa amplifier characteristics figure 1 shows a simplified schematic of the lt6200 family, which has two input differential amplifiers in par- allel that are biased on simultaneously when the common mode voltage is at least 1.5v from either rail. this topology allows the input stage to swing from the positive supply voltage to the negative supply voltage. as the common mode voltage swings beyond v cc C 1.5v, current source i 1 saturates and current in q1/q4 is zero. feedback is maintained through the q2/q3 differential amplifier, but with an input g m reduction of 1/2. a similar effect occurs with i 2 when the common mode voltage swings within 1.5v of the negative rail. the effect of the g m reduction is a shift in the v os as i 1 or i 2 saturate. input bias current normally flows out of the + and C inputs. the magnitude of this current increases when the input common mode voltage is within 1.5v of the negative rail, and only q1/q4 are active. the polarity of this current reverses when the input common mode voltage is within 1.5v of the positive rail and only q2/q3 are active. the second stage is a folded cascode and current mirror that converts the input stage differential signals to a single ended output. capacitor c1 reduces the unity cross frequency and improves the frequency stability without degrading the gain bandwidth of the amplifier. the differential drive generator supplies current to the output transistors that swing from rail-to-rail. applicatio s i for atio wu u u the lt6200-5/LT6200-10 are decompensated op amps for higher gain applications. these amplifiers maintain iden- tical dc specifications with the lt6200, but have a reduced miller compensation capacitor c m . this results in a signifi- cantly higher slew rate and gain bandwidth product. input protection there are back-to-back diodes, d1 and d2, across the + and C inputs of these amplifiers to limit the differential input voltage to 0.7v. the inputs of the lt6200 family do not have internal resistors in series with the input transis- tors. this technique is often used to protect the input devices from overvoltage that causes excessive currents to flow. the addition of these resistors would significantly degrade the low noise voltage of these amplifiers. for instance, a 100 w resistor in series with each input would generate 1.8nv/ ? hz of noise, and the total amplifier noise voltage would rise from 0.95nv/ ? hz to 2.03nv/ ? hz. once the input differential voltage exceeds 0.7v, steady-state current conducted though the protection diodes should be limited to 40ma. this implies 25 w of protection resis- tance per volt of continuous overdrive beyond 0.7v. the input diodes are rugged enough to handle transient cur- rents due to amplifier slew rate overdrive or momentary clipping without these resistors. figure 2 shows the input and output waveforms of the lt6200 driven into clipping while connected in a gain of differential drive generator r1 r2 r3 r4 r5 q2 q3 q5 q6 q9 q8 q7 q10 q11 q1 q4 i 1 i 2 d3 d2 d1 desd2 desd4 desd3 desd1 desd5 desd8 desd7 desd6 + c m c1 +v ? +v +v +v ? ? ? v + v 6203/04 f01 bias v shdn figure 1. simplified schematic
21 62001fa lt6200/lt6200-5 LT6200-10/lt6201 a v = 1. in this photo, the input signal generator is clipping at 35ma, and the output transistors supply this genera- tor current through the protection diodes. power dissipation the lt6200 combines high speed with large output cur- rent in a small package, so there is a need to ensure that the dies junction temperature does not exceed 150 c. the lt6200 is housed in a 6-lead tsot-23 package. the package has the v C supply pin fused to the lead frame to enhance the thermal conductance when connecting to a ground plane or a large metal trace. metal trace and plated through-holes can be used to spread the heat generated by the device to the backside of the pc board. for example, on a 3/32" fr-4 board with 2oz copper, a total of 270 square millimeters connects to pin 2 of the lt6200 in an tsot-23 package will bring the thermal resistance, q ja , to about 135 c/w. without extra metal trace beside the power line connecting to the v C pin to provide a heat sink, the thermal resistance will be around 200 c/w. more information on thermal resistance with various metal areas connecting to the v C pin is provided in table 1. table 1. lt6200 6-lead tsot-23 package copper area board area thermal resistance topside (mm 2 ) (mm 2 ) (junction-to-ambient) 270 2500 135 c/w 100 2500 145 c/w 20 2500 160 c/w 0 2500 200 c/w device is mounted on topside. junction temperature t j is calculated from the ambient temperature t a and power dissipation p d as follows: t j = t a + (p d ? q ja ) the power dissipation in the ic is the function of the supply voltage, output voltage and the load resistance. for a given supply voltage, the worst-case power dissipation p d(max) occurs at the maximum quiescent supply current and at the output voltage which is half of either supply voltage (or the maximum swing if it is less than 1/2 the supply voltage). p d(max) is given by: p d(max) = (v s ? i s(max) ) + (v s /2) 2 /r l example: an lt6200 in tsot-23 mounted on a 2500mm 2 area of pc board without any extra heat spreading plane connected to its v C pin has a thermal resistance of 0v figure 2. v s = 2.5v, a v = 1 with large overdrive v cc 2.5v v ee C2.5v applicatio s i for atio wu u u esd the lt6200 has reverse-biased esd protection diodes on all inputs and outputs as shown in figure 1. if these pins are forced beyond either supply, unlimited current will flow through these diodes. if the current is transient and limited to 30ma or less, no damage to the device will occur. noise the noise voltage of the lt6200 is equivalent to that of a 56 w resistor, and for the lowest possible noise it is desirable to keep the source and feedback resistance at or below this value, i.e., r s + r g //r fb 56 w . with r s + r g //r fb = 56 w the total noise of the amplifier is: e n = ? (0.95nv) 2 + (0.95nv) 2 = 1.35nv. below this resis- tance value, the amplifier dominates the noise, but in the resistance region between 56 w and approximately 6k w , the noise is dominated by the resistor thermal noise. as the total resistance is further increased, beyond 6k, the noise current multiplied by the total resistance eventually dominates the noise. for a complete discussion of amplifier noise, see the lt1028 data sheet.
lt6200/lt6200-5 LT6200-10/lt6201 22 62001fa 200 c/w, q ja . operating on 5v supplies driving 50 w loads, the worst-case power dissipation is given by: p d(max) = (10 ? 23ma) + (2.5) 2 /50 = 0.23 + 0.125 = 0.355w the maximum ambient temperature that the part is allowed to operate is: t a = t j C (p d(max) ? 200 c/w) = 150 c C (0.355w ? 200 c/w) = 79 c to operate the device at higher ambient temperature, connect more metal area to the v C pin to reduce the thermal resistance of the package as indicated in table 1. dd package heat sinking the underside of the dd package has exposed metal (4mm 2 ) from the lead frame where the die is attached. this provides for the direct transfer of heat from the die junction to printed circuit board metal to help control the maximum operating junction temperature. the dual-in- line pin arrangement allows for extended metal beyond the ends of the package on the topside (component side) of a applicatio s i for atio wu u u pcb. table 2 summarizes the thermal resistance from the die junction-to-ambient that can be obtained using various amounts of topside metal (2oz copper) area. on mulitlayer boards, further reductions can be obtained using addi- tional metal on inner pcb layers connected through vias beneath the package. table 2. lt6200 8-lead dd package copper area thermal resistance topside (mm 2 ) (junction-to-ambient) 4 160 c/w 16 135 c/w 32 110 c/w 64 95 c/w 130 70 c/w the lt6200 amplifier family has thermal shutdown to protect the part from excessive junction temperature. the amplifier will shut down to approximately 1.2ma supply current per amplifier if the maximum temperature is exceeded. the lt6200 will remain off until the junction temperature reduces to about 135 c, at which point the amplifier will return to normal operation. u package descriptio dd package 8-lead plastic dfn (3mm 3mm) (reference ltc dwg # 05-08-1698) 3.00 0.10 (4 sides) note: 1. drawing to be made a jedec package outline m0-229 variation of (weed-1) 2. all dimensions are in millimeters 3. dimensions of exposed pad on bottom of package do not include mold flash. mold flash, if present, shall not exceed 0.15mm on any side 4. exposed pad shall be solder plated 0.38 0.10 bottom view?xposed pad 1.65 0.10 (2 sides) 0.75 0.05 r = 0.115 typ 2.38 0.10 (2 sides) 1 4 8 5 pin 1 top mark 0.200 ref 0.00 ?0.05 (dd8) dfn 0203 0.28 0.05 2.38 0.05 (2 sides) recommended solder pad pitch and dimensions 1.65 0.05 (2 sides) 2.15 0.05 0.50 bsc 0.675 0.05 3.5 0.05 package outline 0.28 0.05 0.50 bsc
23 62001fa lt6200/lt6200-5 LT6200-10/lt6201 u package descriptio s8 package 8-lead plastic small outline (narrow .150 inch) (reference ltc dwg # 05-08-1610) .016 ?.050 (0.406 ?1.270) .010 ?.020 (0.254 ?0.508) 45 0 ?8 typ .008 ?.010 (0.203 ?0.254) so8 0303 .053 ?.069 (1.346 ?1.752) .014 ?.019 (0.355 ?0.483) typ .004 ?.010 (0.101 ?0.254) .050 (1.270) bsc 1 2 3 4 .150 ?.157 (3.810 ?3.988) note 3 8 7 6 5 .189 ?.197 (4.801 ?5.004) note 3 .228 ?.244 (5.791 ?6.197) .245 min .160 .005 recommended solder pad layout .045 .005 .050 bsc .030 .005 typ inches (millimeters) note: 1. dimensions in 2. drawing not to scale 3. these dimensions do not include mold flash or protrusions. mold flash or protrusions shall not exceed .006" (0.15mm) information furnished by linear technology corporation is believed to be accurate and reliable. however, no responsibility is assumed for its use. linear technology corporation makes no represen- tation that the interconnection of its circuits as described herein will not infringe on existing patent rights. s6 package 6-lead plastic tsot-23 (reference ltc dwg # 05-08-1636) 1.50 ?1.75 (note 4) 2.80 bsc 0.30 ?0.45 6 plcs (note 3) datum ? 0.09 ?0.20 (note 3)
lt6200/lt6200-5 LT6200-10/lt6201 24 62001fa linear technology corporation 1630 mccarthy blvd., milpitas, ca 95035-7417 (408) 432-1900 l fax: (408) 434-0507 l www.linear.com ? linear technology corporation 2002 lt/tp 1103 1k rev a ? printed in usa related parts part number description comments lt1028 single, ultra low noise 50mhz op amp 1.1nv/ ? hz lt1677 single, low noise rail-to-rail amplifier 3v operation, 2.5ma, 4.5nv/ ? hz, 60 m v max v 0s lt1722/lt1723/lt1724 single/dual/quad low noise precision op amp 70v/ m s slew rate, 400 m v max v os , 3.8nv/ ? hz, 3.7ma lt1806/lt1807 single/dual, low noise 325mhz rail-to-rail amplifier 2.5v operation, 550 m v max v os , 3.5nv/ ? hz lt6203 dual, low noise, low current rail-to-rail amplifier 1.9nv/ ? hz, 3ma max, 100mhz gain bandwidth u typical applicatio rail-to-rail high speed low noise instrumentation amplifier + + LT6200-10 + LT6200-10 LT6200-10 604 1k 49.9 v out a v = 10 6200 ta03 a v = 13 100 1k 100 604 49.9 49.9 150pf instrumentation amplifier frequency response 42.3db 3db/div 10 100 frequency (mhz) 6200 ta04 a v = 130 bw C3db = 85mhz slew rate = 500v/ m s cmrr = 55db at 10mhz

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