elh0002h/883/7801301xx july 1991 rev g elh0002h/883/7801301xx current amplifier note: all information contained in this data sheet has been carefully checked and is believed to be accurate as of the date of publication; however, this data sheet cannot be a ``controlled document''. current revisions, if any, to these specifications are maintained at the factory and are available upon your request. we recommend checking the revision level before finalization of your design documentation. patent pending. cms y 0002ds ? 1989 elantec, inc. features # 400 ma pulsed output current # dc to 30 mhz bandwidth # 200 v/ m s slew rate # low harmonic distortion # high input impedancee400 k x # low output impedancee6 x # high power efficiency # operation from g 5v to g 20v # output voltage swing approaches supply voltage # mil-std-883 devices manufactured in u.s.a. applications # line driver # 30 mhz buffer # high-speed d/a conversion # instrumentation buffer # precision current source ordering information part no. temp. range pkg. outline y elh0002h/883b b 55 cto a 125 c to-5 mdp0001 7801301xx is the desc version of this device. 0002 1 top view case is electrically isolated. general description the elh0002 is a general purpose hybrid current amplifier buffer that is built on a single substrate. the elh0002 is ideal for current buffering operational amplifi- ers without changing the characteristics of the op amp. the elh0002 uses a completely symmetrical circuit to provide a low output impedance when both sourcing and sinking current. this means the output will drive coaxial cables and other capac- itive loads with equivalent rise and fall times. the elh0002 is specified for operation over the b 55 cto a 125 c military temperature range. elantec facilities comply with mil-i-45208a and are mil- std-1772 certified. elantec's military devices comply with mil-std-883b revision c and are manufactured in our rigidly controlled, ultra-clean facilities in milpitas, california. for ad- ditional information on elantec's quality and reliability assur- ance policy and procedures request brochure qra-1. equivalent schematic 0002 2
elh0002h/883/7801301xx current amplifier absolute maximum ratings (t a e 25 c) v s supply voltage g 22v v in input voltage g 22v p d power dissipation ambient 600 mw t st storage temperature b 65 cto a 150 c t a operating temperature range elh0002 b 55 cto a 125 c steady state current g 100 ma pulsed output current (50 ms on/1 second off) g 400 ma important note: all parameters having min/max specifications are guaranteed. the test level column indicates the specific device testing actually performed during production and quality inspection. elantec performs most electrical tests using modern high-speed automatic test equipment, specifically the ltx77 series system. unless otherwise noted, all tests are pulsed tests, therefore t j e t c e t a . test level test procedure i 100% production tested and qa sample tested per qa test plan qcx0002. ii 100% production tested at t a e 25 c and qa sample tested at t a e 25 c, t max and t min per qa test plan qcx0002. iii qa sample tested per qa test plan qcx0002. iv parameter is guaranteed (but not tested) by design and characterization data. v parameter is typical value at t a e 25 c for information purposes only. dc electrical characteristics v s e g 12v, t min s t a s t max parameter description test conditions elh0002 units min typ max test level v os output offset r s e 300 x ,r l e 1k x g 10 g 30 i mv voltage a v voltage gain r s e 10 k x ,r l e 1k x , 0.95 0.97 i v/v v in e g 10 v dc r in input impedance r s e 200 k x ,v in e g 1v dc , 180 400 i k x r l e 1k x r out output impedance r s e 50 x ,v in e g 1v dc , 6 x r s e 10 k x v o output voltage v in e g 12v, r l e 1k x g 10 g 11 i v swing v s e g 15v, v in e g 12v, g 10 i v r s e 50 x ,r l e 100 x ,t a e 25 c i b input current r s e 10 k x ,r l e 1k x g 6 g 10 i m a i s a positive r s e 10 k x ,r l e 1k x 610 i ma supply current i s b negative r s e 10 k x ,r l e 1k x b 6 b 10 i ma supply current note 1: elantec's elh0002h/200 is tested to the elh0002 dc limits at b 25 c, a 25 c and a 125 c, and the ac limits at 25 c. in addition, the parts are also tested to the dc limits for v os ,a vol with r l e 1k x ,i in ,i s a and i s b at 200 c. 2 td is 3.1in
elh0002h/883/7801301xx current amplifier ac electrical characteristics v s e g 12v, t a e 25 c parameter description test conditions elh0002 units min typ max test level a v voltage gain r s e 10 k x ,r l e 1k x 0.95 0.97 i v/v v in e 3v p-p ,f e 1 khz a i current gain v in e 1v rms ,f e 1 khz 40 a/ma r in input impedance r s e 200 k x ,v in e 1v rms , 180 400 i k x r l e 1k x ,f e 1 khz r out output impedance r l e 50 x ,v in e 1v rms , 610 i x r s e 10 k x ,f e 1 khz hd harmonic v in e 5v rms ,f e 1 khz 0.1 v % distortion t r rise time r l e 50 x , d v in e 100 mv 7 12 iii ns typical performance curves dissipation maximum power frequency response (magnitude & phase) input impedance supply current positive pulse negative pulse 0002 3 3 td is 2.2in
elh0002h/883/7801301xx current amplifier typical performance curves e contd. input current 0002 4 burn-in circuit 0002 5 typical applications high current operational amplifier 0002 6 line driver 0002 7 select capacitor to adjust time response of pulse. 4
elh0002h/883/7801301xx current amplifier elh0002 macromodel * connections: input * l v1 a * ll v2 a * lll v1 b * llll v2 b * lllll output * llllll .subckt m0002 8 12764 * models .model qp pnp (is e 10e b 14 bf e 300 vaf e 60 ikf e 200ma var e 6v br e 9 a rb e 30 cje e 40pf cjc e 15pf tf e 1ns xtb e 2.0) .model qn npn (is e 10e b 14 bf e 200 vaf e 200 ikf e 200ma var e 12v br e 8 a rb e 30 cje e 27pf cjc e 10pf tf e 1ns xtb e 2.0) * resistors r11105k r2 11 7 5k r3 3 4 2.0 r4 5 4 2.0 * transistors q17810qp q46115qp q21811qn q32103qn .ends 5 tab wide td is 3.2in
elh0002h/883/7801301xx current amplifier elh0002 macromodel e contd. 0002 9 6
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elh0002h/883/7801301xx july 1991 rev g elh0002h/883/7801301xx current amplifier general disclaimer specifications contained in this data sheet are in effect as of the publication date shown. elantec, inc. reserves the right to make changes in the circuitry or specifications contained herein at any time without notice. elantec, inc. assumes no responsibility for the use of any circuits described herein and makes no representations that they are free from patent infringement. elantec, inc. 1996 tarob court milpitas, ca 95035 telephone: (408) 945-1323 (800) 333-6314 fax: (408) 945-9305 european office: 44-71-482-4596 warning e life support policy elantec, inc. products are not authorized for and should not be used within life support systems without the specific written consent of elantec, inc. life support systems are equipment in- tended to support or sustain life and whose failure to perform when properly used in accordance with instructions provided can be reasonably expected to result in significant personal injury or death. users contemplating application of elantec, inc. products in life support systems are requested to contact elantec, inc. factory headquarters to establish suitable terms & conditions for these applications. elantec, inc.'s warranty is limited to replace- ment of defective components and does not cover injury to per- sons or property or other consequential damages. printed in u.s.a. 8
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