? semiconductor components industries, llc, 2003 may, 2003 - rev. 3 1 publication order number: mc3405/d mc3405 dual operational amplifier and dual comparator the mc3405 contains two differential-input operational amplifiers and two comparators, each set capable of single supply operation. this operational amplifier-comparator circuit fulfills its applications as a general purpose product for automotive and consumer circuits as well as an industrial building block. the mc3405 is specified over the commercial operating temperature range of 0 to +70 c. ? operational amplifier equivalent in performance to mc3403 ? comparator similar in performance to lm339 ? single supply operation: 3.0 v to 36 v ? split supply operation: 1.5 v to 18 v ? low supply current drain ? operational amplifier is internally frequency compensated ? comparator ttl and cmos compatible 3.0 v to 36 v single supply v ee , gnd 1 2 3 4 v cc v cc 1 2 3 4 v ee 1.5 v to 18 v 1.5 v to 18 v split supplies pin connections 14 1 14 1 p suffix case 646 so-14 d suffix case 751a device package shipping ordering information mc3405p plastic dip ??? units/rail (top view) 1 2 3 4 5 6 7 14 8 9 10 11 12 13 out 1 v cc inputs 1 out 4 inputs 4 inputs 2 out 2 v ee /gnd inputs 3 out 3 14 23 op amp 2 comp 1 comp 2 op amp 1 + - - + - + + - MC3405D so-14 ??? tape/reel http://onsemi.com
mc3405 http://onsemi.com 2 operational amplifier section maximum ratings rating symbol value unit power supply voltage - single supply power supply voltage - split supplies v cc v cc , v ee 36 18 vdc input differential voltage range v idr 36 vdc input common mode voltage range v icr 18 vdc operating ambient temperature range t a 0 to +70 c storage temperature range ts t g -55 to +125 c operating junction temperature range t j 150 c electrical characteristics (v cc = 5.0 v, v ee = gnd, t a = 25 c, unless otherwise noted.) characteristic symbol min typ max unit input offset voltage v io - 2.0 10 mv input offset current i io - 30 50 na input bias current i ib - -200 -500 na large-signal, open loop voltage gain (r l = 2.0 k ) a vol 20 200 - v/mv power supply rejection psr - - 150 v/v output voltage range (note 1) v or v pp (r l = 10 k , v cc = 5.0 v) 3.3 3.5 - (r l = 10 k , 5.0 v v cc 30 v) v cc - 2.0 v cc -1.7 - power supply current (notes 2 and 3) i cc - 2.5 7.0 ma channel separation, f = 1.0 khz to 20 khz (input referenced) - - -120 - db electrical characteristics (v cc = +15 v, v ee = -15 v, t a = 25 c, unless otherwise noted.) characteristic symbol min typ max unit input offset voltage v io - 2.0 10 mv (t a = t low + t high ) (note 4) - - 12 average temperature coefficient of input offset voltage v io / t - 15 - v/ c input offset current i io - - 50 na (t a = t low to t high ) (note 4) - - 200 input bias current i ib - -200 -500 na (t a = t low to t high ) (note 4) - - -800 input common mode voltage range v icr +13 -v ee - - vdc large signal, open loop voltage gain a vol v /mv (v o = 10 v, r l = 2.0 k ) 20 200 - (t a = t low to t high ) (note 4) 15 100 - common mode rejection cmr 70 90 - db power supply rejection ratio psrr - 30 150 v/v output voltage v o vdc (r l = 10 k ) 12 13.5 - (r l = 2.0 k ) 10 13 - (r l = 2.0 k , t a = t low to t high ) (note 4) 10 - - output short circuit current i sc 10 20 45 ma power supply current (notes 2 and 3) i cc , i ee - 2.8 7.0 ma phase margin fm - 60 - degrees small-signal bandwidth (a v = 1, r l = 10 k , v o = 50 mv) bw - 1.0 - mhz notes: 1. output will swing to ground. 2. not to exceed maximum package power dissipation. 3. for operational amplifier and comparator. 4. t low = 0 c, t high = +70 c
mc3405 http://onsemi.com 3 electrical characteristics (v cc = +15 v, v ee = -15 v, t a = 25 c, unless otherwise noted.) characteristic symbol min typ max unit power bandwidth (a v = 1, r l = 2.0 k , v o = 20 v pp , thd = 5%) bwp - 9.0 - khz rise time/fall time t tlh , t thl - 0.35 - s overshoot (a v = 1, r l = 10 k , v o = 50 mv) os - 20 - % slew rate sr - 0.6 - v/ s comparator section maximum ratings rating symbol value unit power supply voltage - single supply v cc 36 vdc power supply voltage - split supplies v cc , v ee 18 input differential voltage range v idr 36 vdc input common mode voltage range v icr -0.3 to +36 vdc sink current i sink 20 ma operating ambient temperature range t a 0 to +70 c storage temperature range ts t g -55 to +125 c operating junction temperature range t j 150 c electrical characteristics (v cc = 5.0 v, v ee = gnd, t a = 25 c, unless otherwise noted.) characteristic symbol min typ max unit input offset voltage v io - 2.0 10 mv (t a = t low to t high ) (notes 1 and 2) - - 12 average temperature coefficient of input offset voltage v io / t - 15 - v/ c input offset current i io - 50 100 na (t a = t low to t high ) (note 1) - - 200 input bias current i ib - -125 -500 na (t a = t low to t high ) (note 1) - - -800 input common mode voltage range v icr 0 v cc -1.5 v cc -1.7 vpp (t a = t low to t high ) (note 1) 0 v cc -1.7 v cc -2.0 input differential voltage (all v in 0 vdc) v id - - 36 v large-signal, open loop voltage gain (r l = 15 k ) a vol - 200 - v /mv output sink current (-v in 1.0 vdc, +v in = 0, v o 1.5 v) i sink 6.0 16 - ma low level output voltage (+v in = 0 v, -v in = 1.0 v, i sink = 4.0 ma) (t a = t low to t high ) (note 1) v ol - - 350 - 500 700 a output leakage current i ol a (+v in 1.0 vdc, -v in = 0, v o = 5.0 vdc) - 0.1 1.0 (t a = t low to t high ) (note 1) - 0.1 1.0 large-signal response - - 300 - ns response time (note 3) (v rl = 5.0 vdc, r l = 5.1 k ) - - 1.3 - s notes: 1. t low = 0 c, t high = +70 c 2. v o 1.4 v, r s = 0 with v cc from 5.0 vdc to 30 vdc, and over the input common mode range 0 to v cc -1.7 v. 3. the response time specified is for a 100 mv input step with 5.0 mv overdrive. for larger signals 300 ns is typical.
mc3405 http://onsemi.com 4 representative schematic diagram (1/2 of circuit shown) 9, 13 (-) (+) 10,12 output 8,14 (+) 2, 6 3, 5 (-) v cc 4 q32 q31 q29 q27 q26 q30 q33 q43 q39 q38 q37 q36 q35 q34 output 1,7 q40 700 11 comparator side v ee /gnd bias circuitry common to all op amps and comparators q41 2.4k q28 q42 q1 2.0k q12 q16 25 q11 q14 q13 q15 q17 q18 q19 q20 q23 34.4k 31.2k 30 pf q10 q9 q8 q27 q5 q4 q3 q2 q7 q6 q21 q22 q24 q25 operational amplifier side 5.0 pf
mc3405 http://onsemi.com 5 v o , output voltage (v ) pp operational amplifier section figure 1. sine wave response figure 2. open loop frequency response figure 3. power bandwidth figure 4. output swing versus supply voltage figure 5. input bias current versus temperature figure 6. input bias current versus supply voltage 0 2.0 4.0 6.0 8.0 10 12 14 16 18 20 v cc and |v ee |, power supply voltages (v) 0 20 30 10 , input bias current (na) i ib v cc and |v ee |, power supply voltages (v) 0 2.0 4.0 6.0 8.0 10 12 14 16 18 20 150 160 170 50 s/div 50 mv/div 0.5 v/div a v = 100 *note class a b output stage produces distortion less sinewave. a open loop voltage gain (db) 1.0 10 100 1.0 k 10 k 100 k 1.0 m f, frequency (hz) -20 0 20 40 60 80 100 120 , large signal vol f, frequency (hz) 1.0 k 10 k 100 k 1.0 m -5.0 0 5.0 10 15 20 25 30 +15 v -15 v 10 k v o - + t, temperature ( c) -75 -55 -35 -15 5.0 25 45 65 85 105 125 100 200 300 , input bias current (na) i ib v cc = 15 v v ee = -15 v t a = 25 c t a = 25 c t a = 25 c v cc = 15 v v ee = -15 v t a = 25 c v o , output voltage range (v ) pp
mc3405 http://onsemi.com 6 slope can be either polarity. v cc = +15 v v ee = gnd comparator section figure 7. normalized input offset voltage figure 8. input bias current figure 9. normalized input offset current figure 10. output sink current versus output voltage figure 11. pulse width modulator schematic and waveforms t a , ambient temperature ( c) input offset voltage normalized to 25 c 1.40 1.20 1.00 0.80 0.60 0.40 -60 -40 -20 0 20 40 60 80 100 120 140 slope can be either polarity. v cc = +15 v v ee = gnd v cc , positive supply voltage (v) 200 160 120 80 40 2.0 6.0 10 14 18 22 26 30 , input bias current (na) i ib v ee = gnd t a = +125 c t a = -55 c t a = +25 c t a , ambient temperature ( c) 2.20 1.80 1.40 1.00 0.60 0.20 -60 -40 -20 0 20 40 60 80 100 120 140 input offset voltage normalized to 25 c v ol , output voltage (mv) i , output sink current (ma) sink 7.0 6.0 5.0 4.0 3.0 2.0 1.0 0 0 200 400 600 800 1000 t a = +125 c t a = +25 c t a = -55 c v cc = +15 v v ee = gnd (a) oscillator square wave output v sw v cc v ee time (b) triangle wave and control voltage (c) output pulses v t v th v tl v out v cc v ee time time pulse width = when: v tl < v c < v th duty cycle in % = (100) v c - v tl v c - v tl 1 f - r f 1 5.0 k 6 5 11 comp 2 v ee v cc 4 7 v out 10 9 c 8 v t 300 k 150 k r2 r1 12 13 14 v cc 10 k 1.0 m 2 3 v c + + + + - - - 5.0 k 5.0k v ee r1 4r f cr2 v th = v s (1 + r2/r1) + v ee oscillator frequency f = v s = v cc - v ee 1 2 v tl = v s (1 - r2/r1) + v ee 1 2 5.0k v sw v c comp 1 amp 2 amp 1 v th -v tl v th -v tl
mc3405 http://onsemi.com 7 figure 12. window comparator figure 13. squelch circuit for am or fm figure 14. high/low limit alarm v o 13 -13 v v v in v c v adjust v cc 10 k 10 k 10 k 10 k v cc v ee v c adjust amp 1 13 12 14 9 10 8 10 k - + - + - + - + 5 6 3 2 amp 2 11 v ee comp 2 1 v in comp 1 4 7 v o 3.0 k v cc - + - + + - v in c1 c3 c2 r1 r2 13 12 14 c4 r3 v cc 100 k comp 1 3 2 1 2.7 k v cc 2.7 k 10 8 amp 2 v ao 9 r f r i v ai high pass filter squelch threshold adj switched audio stage gain of audio stage a ci = r f r3c4 > 5 t in where : t in is the period of v in q = quality factor a o = high frequency gain o = break frequency q o c high pass filter given: a o , q, o = 2 f o choose: c = c1 = c2, a convenient value calculate: r2 = (2a o + 1) c3 = r1 = a o c a o v c v cc 0 v il v ih v i r2 + r3 r1 + r2 + r3 v il = v cc v ih = v cc oscillator if r4 = r5 = r6 f = 0.72/r f c as shown, f = 2.2 khz v o will oscillate if v ih < v i , or v il > v i v o will be low if v il < v i < v ih r3 r1 + r2 + r3 v i 1.0 k v cc r1 3 2 r2 5 6 r3 - + - + + - + - 1 comp 1 7 comp 2 hi/low limit detector v c v cc v cc 10 k r4 10 k r5 2.0 k 10 k r6 12 13 10 9 c 0.01 f 8 amp 2 v o 1.0 k 2.0 k 10 k amp 1 14 amp 1 r f 33 k oscillator q o c(2a o + 1) r i
mc3405 http://onsemi.com 8 + v d figure 15. zero crossing detector with temperature sensor figure 16. lsttl to cmos interface with hysteresis figure 17. nor gate r1 and r2 control the switching voltage of the zero crossing detector v s = v d r4 + r5 r5 v t = (v be of q1) 13 > 2v be r1 + r2 r2 t a < t set +v s 0 -v s v o v cc v ee time zero crossing detector temperature sensor 10 k v cc v in r1 1n914 r2 1n914 v ee 10 k + v d - - 2 3 6 5 1 7 10 k temp adjust v cc r3 r4 r5 13 q1 v cc r6 r8 r7 v t 10 9 8 1.0 m 10 k 10 k 12 13 v ee v o lsttl level shift cmos v il = 1.17 v v ih = 1.80 v *the same configuration may be used with an op amp if the 3.0 k resistor is removed. + 5.0 v 2.4 k 50 k 27 k 3.0 k * + 15 v a b c d 10 k 10 k 10 k 3.0 k* g g = a + b + c + d v cc v cc 14 *the same configuration may be used with an op amp if the 3.0 k resistor is removed. + - comp 1 + - comp 2 - + comp * + - comp * + - amp 1 + - amp 2 r5
mc3405 http://onsemi.com 9 package dimensions p suffix plastic package case 646-06 issue m 17 14 8 b a notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: inch. 3. dimension l to center of leads when formed parallel. 4. dimension b does not include mold flash. 5. rounded corners optional. f hg d k c seating plane n -t- 14 pl m 0.13 (0.005) l m j d suffix (so-14) plastic package case 751a-03 issue f notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: millimeter. 3. dimensions a and b do not include mold protrusion. 4. maximum mold protrusion 0.15 (0.006) per side. 5. dimension d does not include dambar protrusion. allowable dambar protrusion shall be 0.127 (0.005) total in excess of the d dimension at maximum material condition. -a- -b- g p 7 pl 14 8 7 1 m 0.25 (0.010) b m s b m 0.25 (0.010) a s t -t- f r x 45 seating plane d 14 pl k c j m dim min max min max inches millimeters a 8.55 8.75 0.337 0.344 b 3.80 4.00 0.150 0.157 c 1.35 1.75 0.054 0.068 d 0.35 0.49 0.014 0.019 f 0.40 1.25 0.016 0.049 g 1.27 bsc 0.050 bsc j 0.19 0.25 0.008 0.009 k 0.10 0.25 0.004 0.009 m 0 7 0 7 p 5.80 6.20 0.228 0.244 r 0.25 0.50 0.010 0.019
mc3405 http://onsemi.com 10 on semiconductor and are registered trademarks of semiconductor components industries, llc (scillc). scillc reserves the right to mak e changes without further notice to any products herein. scillc makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does scillc assume any liability arising out of the application or use of any product or circuit, and s pecifically disclaims any and all liability, including without limitation special, consequential or incidental damages. typicalo parameters which may be provided in scillc data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. all operating parameters, including typicalso must be validated for each customer application by customer's technical experts. scillc does not convey any license under its patent rights nor the rights of others. scillc products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body , or other applications intended to support or sustain life, or for any other application in which the failure of the scillc product could create a sit uation where personal injury or death may occur. should buyer purchase or use scillc products for any such unintended or unauthorized application, buyer shall indem nify and hold scillc and its of ficers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and re asonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized u se, even if such claim alleges that scillc was negligent regarding the design or manufacture of the part. scillc is an equal opportunity/affirmative action employ er. publication ordering information japan : on semiconductor, japan customer focus center 2-9-1 kamimeguro, meguro-ku, tokyo, japan 153-0051 phone : 81-3-5773-3850 on semiconductor website : http://onsemi.com for additional information, please contact your local sales representative. mc3405/d literature fulfillment : literature distribution center for on semiconductor p.o. box 5163, denver, colorado 80217 usa phone : 303-675-2175 or 800-344-3860 toll free usa/canada fax : 303-675-2176 or 800-344-3867 toll free usa/canada email : onlit@hibbertco.com n. american technical support : 800-282-9855 toll free usa/canada
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