page no. : 1/7 avantics - ax358 series specification no.: 050309-fe0011 ax358p / AX358S low power dual operational amplifiers description these devices consist of two independent, high gain, internally frequency- compensated operational amplifiers designed operate from a single supply over a wide range of voltages. operation from split supplies also is possible if the difference between the two supplies is 3v to 32v, and vcc is at least 1.5v more positive than the input common-mode voltage, the low supply-current drain is independent of the magnitude of the power supply voltage. features ? two internally compensated op amps ? internally frequency compensated for unity gain ? short circuit protected outputs ? wide power supply range: 3v dc to 32v dc (single supply) ? input common-mode voltage range includes ground ? large output voltage swing: 0v dc to vcc-1.5v dc pin configurations pin 1: output 1 pin 5 : non inverting input 2 pin 2: inverting input 1 pin 6 : inverting input 2 pin 3: non inverting input 1 pin 7 : output 2 1 2 3 45 6 7 8 + - + - out out pin 4: v ee pin 8 : vcc schematic diagram logic diagram (each amplifier) 8-lead plastic so-8 package code: s ? 8-lead plastic dip-8 package code: p + in + output - in - q2 q3 q1 q4 q9 q8 cc q11 q12 q5 q6 q7 rsc non inverting + output 6ua 50ua q13 100ua 6ua vcc q10 input inverting input -
page no. : 2/7 avantics - ax358 series specification no.: 050309-fe0011 absolute maximum ratings (ta=25 o c, unless otherwise specified) symbol parameter range units v cc power supply voltage (single supply) 32 v dc v cc , v ee power supply voltage (split supplies) 16 v dc v idr input differential voltage range 32 v dc v icr input common mode voltage range -0.3 to +32 v dc t sc output short circuit duration continuous t j junction temperature 150 o c t stg storage temperature range -55 to +125 c t a operating ambient temperature range 0 to +70 c p d maximum power dissipation (dip-8) maximum power dissipation (so-8) 800 500 mw electrical characteristics (v cc =5v, v ee =ground, ta=25 o c, unless otherwise specified) ax358p/s symbol parameter test conditions min typ max unit v io input offset voltage v cc =5v~30v, v icr =0v~v cc -1.5v, v o =1.4v, r s =0 ? -2 7mv i io input offset current i in(+) -i in(-) --30na i ib input bias current i in(+) or i in(-) - 35 200 na a vol large signal voltage gain v cc =15v, r l =2k ? 25 100 - v/mv cmr common-mode rejection ratio v cm =0v~v cc -1.5v 65 85 - db cs channel separation 1khz f 20khz - -120 - db psr power supply rejection v cc =5v~30v 65 100 - db ? v io / ? t average temperature coefficient of input offset voltage r s =0 ? -7 -uv/ o c ? i io / ? t average temperature coefficient of input offset current r s =0 ? -10 -pa/ o c v icr input common mode voltage range v cc =30v v cc -2v v v cc =30v, r l =2k ? 26 27 - v oh output voltage (high limit) v cc =30v, r l =10k ? 27 28 - v v ol output voltage (low limit) r l =10k ? -520mv i cc supply current r l = ,v cc =30v -1 2ma i source output source current v cc =15v, v in+ =1v, v in- =0v, v o =2v 20 40 - ma i sink output sink current v cc =15v, v in+ =0v, v in- =1v, v o =2v 10 20 - ma v cc =30v, ta=t high to t low -1 2ma i cc power supply current v cc =5v, ta=t high to t low -0.61.2ma i sc output short circuit to ground v cc =5v, gnd at -5v, v o =0v - 40 60 ma
page no. : 3/7 avantics - ax358 series specification no.: 050309-fe0011 characteristics curve power supply current & power supply voltage 0 0.3 0.6 0.9 1.2 1.5 1.8 0 5 10 15 20 25 30 35 v cc , power supply voltage (v) i cc , power supply current (ma) ... ta=25 o c r l = large signal frequency response 0 2 4 6 8 10 12 14 1 10 100 1000 f, frequency (khz) v or , output voltage range (vpp) ... r l =2k v cc =15v v ee =gnd a v =-100 r i =1k r f =100k large signal open loop voltage gain 0 20 40 60 80 100 120 1 10 100 1000 10000 100000 1000000 f, frequency (hz) a voi , open loop voltage gain (db) ... v cc =15v v ee =gnd ta=25 o c voltage follower pulse response 0 1 2 3 4 5 6 7 8 0 5 10 15 20 25 30 35 40 t, time (us) input voltage (v) .. output voltage (v) .. r l 2.0k v+=15v dc 1 0 2 3 1 small signal voltage follower pulse response (non inverting) 200 250 300 350 400 450 012345678 t, time (us) v o , output voltage (mv) v cc =30v v ee =gnd ta=25 o c c l =50pf voltage gain 0 20 40 60 80 100 120 140 0 5 10 15 20 25 30 35 v+, supply voltage (v) avol, voltage gain (db) ... r l =20k r l =2k
page no. : 4/7 avantics - ax358 series specification no.: 050309-fe0011 characteristics curve typical application circuit voltage follower non inverting dc amplifier dc summing amplifier squarewave oscillator power supply voltage & input bias current 0 5 10 15 20 25 30 35 40 45 50 0 5 10 15 20 25 30 35 power supply voltage (v) input bias current (na) ... ta=25 o c input voltage range 0 5 10 15 0 5 10 15 v+/v-, power supply voltage (v) v in , input voltage (v) ... positive negative a v =1+r 1 /r 2 v o =v 1 +v 2 -v 3 -v 4 where (v 1 +v 2 ) (v 3 +v 4 ) to keep v o 0v v in 1/2 ax358 + - v o out r 1 10k v in 1/2 ax358 - + v o out r 2 1m v 1 1/2 ax358 - + v o out 100k 100k 100k 100k 100k 100k v 2 v 3 v 4 v in 1/2 ax358 + - v o out r 1 100k r 4 100k r 1 100k r 2 100k 0.001uf + -
page no. : 5/7 avantics - ax358 series specification no.: 050309-fe0011 typical application circuit function generator pulse generator dc coupled low-pass rc active filter high input z, dc differential amplifier active band-pass filter f=(r 1 +r c )/4cr f r 1 if r 3 =r 2 *r 1 /(r 2 +r 1 ) f 0 =1khz, q=1, a v =2 r 1 /r 2 =r 4 /r 3 v o =1+r 4 /r 3 (v 2 -v 1 ) as shown v o =2(v 2 -v 1 ) f 0 =1khz, q=50, a v =100 (40db) 1/2 ax358 - + out 100k c r 3 100k 1/2 ax358 - + out v ref v ref r f r 1 100k triangle wave output v ref =1/2v cc square wave output r 2 300k v + 1/2 ax358 + - v o out r 1 100k r 4 100k r 5 100k r 3 100k c 0.001uf + - r 2 150k 1n914 1/2 ax358 - + out v in r 2 16k c 1 0.01uf r 3 100k r 4 100k v o r 1 16k c 2 0.01uf 1/2 ax358 + - out r 4 100k 1/2 ax358 + - out r 3 100k r 2 100k v o v 1+ v 2+ r 1 100k 1/2 ax358 + - out r 1 100k v o 1/2 ax358 + - out 1/2 ax358 + - out r 8 100k c 3 10uf v cc r 7 100k r 5 470k c 1 330pf r 6 470k r 4 10m c 2 330pf r 7 1k r 2 100k v 1+ r 3 100k
page no. : 6/7 avantics - ax358 series specification no.: 050309-fe0011 dip-8 dimension so-8 dimension important notice: ? all rights are reserved. reproduction in whole or in part is prohibited without the prior written approval of avantic. ? avantics reserves the right to make changes to its products without notice. ? avantics semiconductor products are not warranted to be su itable for use in life-support applications, or systems. ? avantics assumes no liability for any consequence of customer product design, infringement of patents, or application assistan ce. head office: ? avantics microelectronics corp: no. 255, cai lun rd. zhangjiang technology industrial park pudong, shanghai, china tel: 86-021-58955599 fax: 86-021-58558038 a b 87 65 4 3 2 1 h i f g j k m l 1 e d c 8-lead dip-8 plastic package avantics code: p marking: date code control code ap 358 pb free mark pb-free: " . " (note) normal: none x note: green label is used for pb-free packing pin style: 1.output 1 2.inverting input 1 3.non inverting input 1 4.v ee 5.non inverting input 2 6.inverting input 2 7. output 2 8.v cc material: ? lead solder plating: sn60/pb40 (normal), sn/3.0ag/0.5cu or pure-tin (pb-free) ? mold compound: epoxy resin family, flammability solid burning class: ul94v-0 dim min. max. a 6.29 6.40 b 9.22 9.32 c-*1.52 d-*1.27 e-*0.99 f 3.25 3.35 g 3.17 3.55 h 0.38 0.53 i 2.28 2.79 j 7.49 7.74 k-*3.00 l 8.56 8.81 m 0.229 0.381 1 94 o 97 o *: typical, unit: mm a b f c d e g part a i h j k o m l n part a 234 5 6 7 8 pin1 index dim min. max. a 4.85 5.10 b 3.85 3.95 c 5.80 6.20 d 1.22 1.32 e 0.37 0.47 f 3.74 3.88 g 1.45 1.65 h 4.80 5.10 i 0.05 0.20 j 0.30 0.70 k 0.19 0.25 l 0.37 0.52 m 0.23 0.28 n 0.08 0.13 o 0.00 0.15 *: typical, unit: mm marking: date code control code pin 1 index as 3 pb free mark pb-free: " . " (note) normal: none 58 x note: green label is used for pb-free packing pin style: 1.output 1 2.inverting input 1 3.non inverting input 1 4.v ee 5.non inverting input 2 6.inverting input 2 7. output 2 8.v cc material: ? lead solder plating: sn60/pb40 (normal), sn/3.0ag/0.5cu or pure-tin (pb-free) ? mold compound: epoxy resin family, flammability solid burning class: ul94v-0 8-lead so-8 plastic surface mounted package avantics code: s
page no. : 7/7 avantics - ax358 series specification no.: 050309-fe0011 soldering methods for avantics?s products 1. storage environment: temperature=10 o c~35 o c humidity=65%15% 2. reflow soldering of surface-mount devices profile feature sn-pb eutectic assembly pb-free assembly average ramp-up rate (t l to t p )<3 o c/sec <3 o c/sec preheat - temperature min (ts min ) - temperature max (ts max ) - time (min to max) (ts) 100 o c 150 o c 60~120 sec 150 o c 200 o c 60~180 sec tsmax to t l - ramp-up rate <3 o c/sec <3 o c/sec time maintained above: - temperature (t l ) - time (t l ) 183 o c 60~150 sec 217 o c 60~150 sec peak temperature (t p ) 240 o c +0/-5 o c 260 o c +0/-5 o c time within 5 o c of actual peak temperature (t p ) 10~30 sec 20~40 sec ramp-down rate <6 o c/sec <6 o c/sec time 25 o c to peak temperature <6 minutes <8 minutes 3. flow (wave) soldering (solder dipping) products peak temperature dipping time pb devices. 245 o c 5 o c 5sec 1sec pb-free devices. 260 o c +0/-5 o c 5sec 1sec figure 1: temperature profile t p t l ramp-down ramp-up ts max ts min critical zone t l to t p t s preheat t l t p 25 t 25 o c to peak time temperature
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