1/10 n rail to rail input and output n low noise : 9nv/ ? (hz) n low distortion n high output current : 80ma (able to drive 32 w loads) n high speed : 4mhz, 1v/ m s n operating from 2.7v to 12v n low input offset voltage : 900 m vmax (ts922a) n esd internal protection : 2kv n latch-up immunity n macromodel included in this n specification description the ts922 is a rail to rail dual bicmos operational amplifier optimized and fully specified for 3v and 5v operation. high output current allows low load impedances to be driven. the ts922 exhibits a very low noise, low distor- tion, low offset and high output current capability making this device an excellent choice for high quality, low voltage or battery operated audio sys- tems. the device is stable for capacitive loads up to 500pf. applications n headphone amplifier n piezoelectric speaker driver n sound cards, multimedia systems n line driver, actuator driver n servo amplifier n mobile phone and portable equipment n instrumentation with low noise as key factor order code n = dual in line package (dip) d = small outline package (so) - also available in tape & reel (dt) p = thin shrink small outline package (tssop) - only available in tape & reel (pt) pin connections (top view) part number temperature range package ndp ts922i -40c, +125c n dip8 (plastic package) d so8 (plastic micropackage) p tssop8 (thin shrink small outline package) 1 2 3 45 6 7 8 - + - + inverting input 1 output 1 non-inverting input 1 v cc v cc + output 2 inverting input 2 non-inverting input 2 ts922 rail to rail high output current dual operational amplifier february 2001
ts922 2/10 absolute maximum ratings operating conditions symbol parameter value unit v cc supply voltage 1) 14 v v id differential input voltage 2) 1 v v i input voltage 3) -0.3 to 14 v t oper operating free air temperature range -40 to +125 c i stg storage temperature -65 to +150 c t j maximum junction temperature 150 c output short circuit duration see note 4) c 1. all voltages values, except differential voltage are with respect to network ground terminal. 2. differential voltagesare the non-inverting input terminal with respect to the inverting input terminal. 3. the magnitude of input and output voltages must never exceed v cc + +0.3v. 4. short-circuits can cause excessive heating. destructive dissipation can result from simultaneous short-circuit on all amplifi ers symbol parameter value unit v cc supply voltage 2.7 to 12 v v icm common mode input voltage range v cc - -0.2 to v cc + +0.2 v
ts922 3/10 electrical characteristics v cc + = 3v, t amb = 25c (unless otherwise specified) symbol parameter min. typ. max. unit v io input offset voltage ts922 ts922a t min. t amb t max. ts922 ts922a 3 0.9 5 1.8 mv dv io input offset voltage drift 2 m v/c i io input offset current v out = 1.5v 130 na i ib input bias current v out = 1.5v 15 100 na v oh high level output voltage r l = 10k r l = 600 w r l = 32 w 2.90 2.87 2.63 v v ol low level output voltage r l = 10k r l = 600 w r l = 32 w 180 50 100 mv a vd large signal voltage gain (v out = 2vpk-pk) r l = 10k r l = 600 w r l = 32 w 200 35 16 v/mv i cc total supply current no load, v out = v cc/2 23 ma gbp gain bandwith product ( r l = 600 w ) 4 mhz cmr common mode rejection ratio 60 80 db svr supply voltage rejection ratio v cc = 2.7 to 3.3v 60 85 db i o output short circuit current 50 80 ma sr slew rate 0.7 1.3 v/ m s f m phase margin at unit gain r l = 600 w, c l =100pf 68 degrees g m gain margin r l = 600 w, c l =100pf 12 db e n equivalent input noise voltage f = 1khz 9 thd total harmonic distortion v out = 2vpk-pk , f = 1khz, a v = 1, r l =600 w 0.005 % c s channel separation 120 db nv hz ----------- -
ts922 4/10 electrical characteristics v cc + = 5v, t amb = 25c (unless otherwise specified) symbol parameter min. typ. max. unit v io input offset voltage ts922 ts922a t min. t amb t max. ts922 ts922a 3 0.9 5 1.8 mv dv io input offset voltage drift 2 m v/c i io input offset current v out = 1.5v 130 na i ib input bias current v out = 1.5v 15 100 na v oh high level output voltage r l = 10k r l = 600 w r l = 32 w 4.90 4.85 4.4 v v ol low level output voltage r l = 10k r l = 600 w r l = 32 w 300 50 120 mv a vd large signal voltage gain (v out = 2vpk-pk ) r l = 10k r l = 600 w r l = 32 w 200 35 16 v/mv i cc total supply current no load, v out = v cc/2 23 ma gbp gain bandwith product ( r l = 600 w ) 4 mhz cmr common mode rejection ratio 60 80 db svr supply voltage rejection ratio v cc = 4.5 to 5.5v 60 85 db i o output short circuit current 50 80 ma sr slew rate 0.7 1.3 v/ m s f m phase margin at unit gain r l = 600 w, c l =100pf 68 degrees g m gain margin r l = 600 w, c l =100pf 12 db e n equivalent input noise voltage f = 1khz 9 thd total harmonic distortion v out = 2vpk-pk , f = 1khz, a v = 1, r l =600 w 0.005 % c s channel separation 120 db nv hz ----------- -
ts922 5/10 macromodels ** standard linear ics macromodels, 1996. ** connections : * 1 inverting input * 2 non-inverting input * 3 output * 4 positive power supply * 5 negative power supply .subckt ts922 1 3 2 4 5 (analog) ********************************************************* .model mdth d is=1e-8 kf=2.664234e-16 cjo=10f * input stage cip 2 5 1.000000e-12 cin 1 5 1.000000e-12 eip 10 5 2 5 1 ein 16 5 1 5 1 rip 10 11 8.125000e+00 rin 15 16 8.125000e+00 ris 11 15 2.238465e+02 dip 11 12 mdth 400e-12 din 15 14 mdth 400e-12 vofp 12 13 dc 153.5u vofn 13 14 dc 0 ipol 13 5 3.200000e-05 cps 11 15 1e-9 dinn 17 13 mdth 400e-12 vin 17 5 -0.100000e+00 dinr 15 18 mdth 400e-12 vip 4 18 0.400000e+00 fcp 4 5 vofp 1.865000e+02 fcn 5 4 vofn 1.865000e+02 fibp 2 5 vofp 6.250000e-03 fibn 5 1 vofn 6.250000e-03 * gm1 stage *************** fgm1p 119 5 vofp 1.1 fgm1n 119 5 vofn 1.1 rap 119 4 2.6e+06 ran 119 5 2.6e+06 * gm2 stage *************** g2p 19 5 119 5 1.92e-02 g2n 19 5 119 4 1.92e-02 r2p 19 4 1e+07 r2n 19 5 1e+07 ************************** vint1 500 0 5 gconvp 500 501 119 4 19.38 !envoie ds vp, i(vp)=(v119-v4)/2/ut vp 501 0 0 gconvn 500 502 119 5 19.38 !envoie ds vn, i(vn)=(v119-v5)/2/ut vn 502 0 0 ********* orientation isink isource ******* vint2 503 0 5 fcopy 503 504 vout 1 dcopyp 504 505 mdth 400e-9 vcopyp 505 0 0 dcopyn 506 504 mdth 400e-9 vcopyn 0 506 0 *************************** f2pp 19 5 poly(2) vcopyp vp 0 0 0 0 0.5 !multiplie i(vout)*i(vp)=iout*(v119-v4)/2/ut f2pn 19 5 poly(2) vcopyp vn 0 0 0 0 0.5 !multiplie i(vout)*i(vn)=iout*(v119-v5)/2/ut f2np 19 5 poly(2) vcopyn vp 0 0 0 0 1.75 !multiplie i(vout)*i(vp)=iout*(v119-v4)/2/ut f2nn 19 5 poly(2) vcopyn vn 0 0 0 0 1.75 !multiplie i(vout)*i(vn)=iout*(v119-v5)/2/ut * compensation ************ cc 19 119 25p * output*********** dopm 19 22 mdth 400e-12 donm 21 19 mdth 400e-12 hopm 22 28 vout 6.250000e+02 vipm 28 4 5.000000e+01 honm 21 27 vout 6.250000e+02 vinm 5 27 5.000000e+01 vout 3 23 0 rout 23 19 6 cout 3 5 1.300000e-10 dop 19 25 mdth 400e-12 vop 4 25 1.052 don 24 19 mdth 400e-12 von 24 5 1.052 .ends electrical characteristics v cc + = 3v, v cc - = 0v, r l , c l connected to v cc/2 , t amb = 25c (unless otherwise specified) symbol conditions value unit v io 0mv a vd r l = 10k w 200 v/mv i cc no load, per operator 1.2 ma v icm -0.2 to 3.2 v v oh r l = 10k w 2.95 v v ol r l = 10k w 25 mv i sink v o = 3v 80 ma i source v o = 0v 80 ma gbp r l = 600k w 4mhz sr r l = 10k w , c l = 100pf 1.3 v/ m s f m r l = 600k w 68 degrees
ts922 6/10 output short circuit current vs output voltage output short circuit current vs output voltage total supply current vs supply voltage voltage gain and phase vs frequency equivalent input noise voltage vs frequency thd + noise vs frequency 012345 -120 -100 -80 -60 -40 -20 0 20 40 60 80 100 output voltage (v) output short-circuit current (ma) source sink vcc=0/5v 00,511,522,53 -100 -80 -60 -40 -20 0 20 40 60 80 100 output voltage (v) output short-circuit current (ma) source sink vcc=0/3v 1e+02 1e+03 1e+04 1e+05 1e+06 1e+07 1e+08 -20 0 20 40 60 -60 0 60 120 180 frequency (hz) gain (db) phase (de g) gain phase rl=10k cl=100pf 0.01 0.1 1 10 100 frequency (khz) 0 5 10 15 20 25 30 equivalent input noise (nv/sqrt(hz) v cc =1.5v r l =100 w 0.01 0.1 1 10 100 frequency (khz) 0 0.005 0.01 0.015 0.02 thd+noise (%) r l =2k vo=10vpp v cc =6v av= 1
ts922 7/10 thd + noise vs frequency thd + noise vs frequency thd + noise vs output voltage thd + noise vs output voltage thd + noise vs output voltage open loop gain and phase vs frequency 0.01 0.1 1 10 100 frequency (khz) 0 0.008 0.016 0.024 0.032 0.04 thd+noise (%) r l =32 w vo=4vpp v cc = 2.5v av= 1 0.01 0.1 1 10 100 frequency (khz) 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 thd+noise (%) r l =32 w vo=2vpp v cc =1.5v av= 10 0 0,2 0,4 0,6 0,8 1 1,2 0,001 0,010 0,100 1,000 10,000 vout (vrms) thd+noise (%) r l =600 w f=1khz v cc =0/3v av= -1 0 0.2 0.4 0.6 0.8 1 vout (vrms) 0.01 0.1 1 10 thd+noise (%) r l =32 w f=1khz v cc = 1.5v av= -1 0 0.2 0.4 0.6 0.8 1 1.2 vout (vrms) 0.001 0.01 0.1 1 10 thd+noise (%) r l =2k w f=1khz v cc = 1.5v av= -1 1e+2 1e+3 1e+4 1e+5 1e+6 1e+7 1e+8 frequency (hz) 0 10 20 30 40 50 gain (db) 0 60 120 180 phase (deg) c l =500pf
ts922 8/10 package mechanical data 8 pins - plastic dip dim. millimeters inches min. typ. max. min. typ. max. a 3.32 0.131 a1 0.51 0.020 b 1.15 1.65 0.045 0.065 b 0.356 0.55 0.014 0.022 b1 0.204 0.304 0.008 0.012 d 10.92 0.430 e 7.95 9.75 0.313 0.384 e 2.54 0.100 e3 7.62 0.300 e4 7.62 0.300 f 6.6 0260 i 5.08 0.200 l 3.18 3.81 0.125 0.150 z 1.52 0.060
ts922 9/10 package mechanical data 8 pins - plastic micropackage (so) dim. millimeters inches min. typ. max. min. typ. max. a 1.75 0.069 a1 0.1 0.25 0.004 0.010 a2 1.65 0.065 a3 0.65 0.85 0.026 0.033 b 0.35 0.48 0.014 0.019 b1 0.19 0.25 0.007 0.010 c 0.25 0.5 0.010 0.020 c1 45 (typ.) d 4.8 5.0 0.189 0.197 e 5.8 6.2 0.228 0.244 e 1.27 0.050 e3 3.81 0.150 f 3.8 4.0 0.150 0.157 l 0.4 1.27 0.016 0.050 m 0.6 0.024 s 8 (max.)
ts922 10/10 package mechanical data 8 pins - thin shrink small outline package information furnished is believed to be accurate and reliable. however, stmicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result f rom its use. no license is granted by implication or otherwise under any patent or patent rights of stmicroelectronics. specificati ons mentioned in this publication are subject to change without notice. this publication supersedes and replaces all information previously supplied. stmicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of stmicroelectronics. ? the st logo is a registered trademark of stmicroelectronics ? 2001 stmicroelectronics - printed in italy - all rights reserved stmicroelectronics group of companies australia - brazil - china - finland - france - germany - hong kong - india - italy - japan - malaysia - malta - morocco singapore - spain - sweden - switzerland - united kingdom ? http://www.st.com dim. millimeters inches min. typ. max. min. typ. max. a 1.20 0.05 a1 0.05 0.15 0.01 0.006 a2 0.80 1.00 1.05 0.031 0.039 0.041 b 0.19 0.30 0.007 0.15 c 0.09 0.20 0.003 0.012 d 2.90 3.00 3.10 0.114 0.118 0.122 e 6.40 0.252 e1 4.30 4.40 4.50 0.169 0.173 0.177 e 0.65 0.025 k 0 8 0 8 l 0.50 0.60 0.75 0.09 0.0236 0.030 l 0.45 0.600 0.75 0.018 0.024 0.030 l1 1.000 0.039 c l 14 8 5 l1 c 0.25mm .010 inch gage plane e1 k l l1 e seating plane a a2 d a1 b 5 8 4 1 pin 1 identification e
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