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1 m e m o r y all data sheets are subject to change without notice (858) 503-3300 - fax: (858) 503-3301 - www.maxwell.com dual operational amplifier op284a ?2009 maxwell technologies all rights reserved. 07.16.09 rev 2 f eatures : ?r ad -p ak ? radiation-hardened against natural space radiation package: - 8-pin r ad -p ak ? flat pack - 16-pin r ad -p ak ? leadless chip carrier (lcc) pack single-supply operation wide bandwidth: 4 mhz low offset voltage: 65uv unity-gain stable high slew rate: 4.0 v/us low noise: 3.9 nv/(hz) ? d escription : maxwell technologies ? op284a is a dual single-supply, 4 mhz bandwidth amplifier featuring rail-to-rail inputs and out- puts. using maxwell technologies ? radiation-hardened r ad - p ak ? technology, it is guaranteed to operate from +3 to +36 (or 1.5 to 18) volts and will function with a single supply as low as +1.5 volts. this amplifier is superb for single supply applications requiring both ac and precision dc performance. the combination of bandwidth, low noise and precision makes the op284a useful in a wide variety of applications, including filters and instru- mentation. other applications for this amplifier include porta- ble telecom equipment, power supply control and protection, and as an amplifier or buffer for transducers with wide output ranges. the ability to swing rail-to-rail at both the input and output enables designers to build multi-stage filters in single-supply systems and to maintain high signal-to-noise ratios. maxwell technologies' patented r ad -p ak ? packaging technol- ogy incorporates radiation shielding in the microcircuit pack- age. it eliminates the need for box shielding while providing the required radiation shielding for a lifetime in orbit or space mission. this product is available with screening up to class s. q1 q3 ql1 ql2 q4 q2 r4 qb6 qb5 q7 q5 q9 q11 q8 q6 q12 q10 r6 qb9 rb3 qb10 rb4 cff cc2 q16 q17 r11 co q18 r3 qb3 rb2 r7 q13 q14 r9 q15 r1 r2 qb4 cc1 qb7 qb8 r8 r10 r5 rb1 jb1 qb2 cb1 m n+ p+ qb1 jb2 -in +in out v cc v ee tp logic diagram flat pack leadless chip carrier (lcc) op284a op284a
m e m o r y 2 all data sheets are subject to change without notice ?2009 maxwell technologies all rights reserved. dual operational amplifier op284a 07.16.09 rev 2 t able 1. f lat p ack p inout d escription p in s ymbol d escription 1, 7 out a, b outputs 2, 6 -in a, b negative inputs 3, 5 +in a, b positive inputs 4 v- ground 8 v+ supply voltage t able 2. l eadless c hip c arrier (lcc) p inout d escription p in s ymbol d escription 1, 13 out a, b outputs 3, 11 -in a, b negative inputs 5, 9 +in a, b positive inputs 7 v- ground 15 v+ supply voltage t able 3. op284a a bsolute m aximum r atings p arameter s ymbol m in m ax u nit supply voltage v cc -- 18 v input voltage v i -- 18 v differential input voltage 1 1. for input voltages greater than 0.6 volts, the input current should be limited to less 5 ma to prevent degradation or destruc tion of the input devices. v dif -- 0.6 v output short-circuit duration to gnd indefinite storage temperature t s -65 +150 c operating temperature t a -40 +125 c junction temperature t j -65 +150 c package weight -- 0.75 grams thermal impedance jc -- 6.48 c/w t able 4. d elta l imits p arameter v ariation i cc 10% of specified value in table 5
m e m o r y 3 all data sheets are subject to change without notice ?2009 maxwell technologies all rights reserved. dual operational amplifier op284a 07.16.09 rev 2 t able 5. op284a e lectrical c haracteristics (v+ = 15v, v- = -15v, v out = 0v, r s = 50 ? , r l = 100 k ? , v cm = 0v, t a = -40c to +125c unless otherwise specified .) p arameter s ymbol t est c onditions s ubgroups m in t yp m ax u nit input offset voltage v io +25c 1 -100 -- 100 v -40 to +125c 2, 3 -200 -- 200 average offset voltage drift 1 v io tc r l =2k ? 1, 2, 3 -- -- 2 v/c offset voltage match 1 ? v io |v io (max) - v io (min)|, +25c 1 - -- 100 v |v io (max) - v io (min)|, -40 to +125c 2, 3 - -- 200 input bias current i b r s = 50 ? , +25c 1 -350 -- 350 na r s = 50 ?, -40 to +125c 2, 3 -575 -- 575 na input offset current i os r s =50 ? , +25c 1 -35 -- 35 na r s = 50 ? , -40 to +125c 2, 3 -50 -- 50 na input bias current drift 1 i ibtc r s = 50 ? 1, 2, 3 -- 200 pa/c input voltage range i vr 1, 2, 3 -15 -- 15 v common mode rejection ratio cmrr v cm = -14v to +14v 4,5,6 86 -- -- db v cm = -15v to +15v, t a =25c 4 80 -- -- db output current +i o v out = -10v, 1ms pulse, t a =25c 1 10 -- -- ma v out = -10v, 1ms pulse 2, 3 5 -- -- -i o v out = +10v, 1ms pulse, t a =25c 1 -- -10 ma v out = -10v, 1ms pulse 2, 3 -- -5 quiescent power supply current per amplifier +i cc i out = 0ma v s =18v, t a =25c 1 -- -- 1.80 ma i out = 0ma v s =18v 2, 3 -- -- 2.25 -i cc i out = 0ma v s =18v, t a =25c 1 -1.80 -- -- ma i out = 0ma v s =18v 2, 3 2.25 -- -- power supply rejection ratio +psrr v s =2v to 18v 1, 2, 3 90 -- -- db -psrr v s =2v to 18v 1, 2, 3 90 -- -- db low frequency, peak-to- peak noise 1 e np-p 0.1hz to 10hz, r l =2k ? , c l =50pf, t a =+25c 1--0.30--v p-p input noise voltage density 1 e n r s =20 ? , f o =1khz, r l =2k ? , c l =50pf, t a =+25c 1--3.9--nv/ (hz) ? input noise current density 1 i n r s =20m ? , f o =1khz, r l =2k ? , c l =50pf, t a =+25c 1--0.4--pa/ (hz) ? power consumption 1,2 p c +10v, i out =0ma, r l =2k ? 1, 2, 3 -- 81 mw large signal voltage gain +a vol +10v, r l =2.0k ? ,t a =25c 4 -- 150 v/mv +10v, r l =2.0k ? 5,6 75 -a vol -10v, r l =2.0k ? ,t a =25c 4 -- 150 v/mv -10v, r l =2.0k ? 5,6 75
m e m o r y 4 all data sheets are subject to change without notice ?2009 maxwell technologies all rights reserved. dual operational amplifier op284a 07.16.09 rev 2 output voltage swing +v out1 i l =1.0ma 4,5,6 14.8 -- -- v -v out1 i l =1.0ma 4,5,6 -- -- -14.8 v gain bandwidth product 1 gbwp v o =200mv, r l =2.0k ? , c l =50pf, t a =+25c 4--4.25--mhz full power bandwidth 1,3 fpbw v peak =29vp-p, r l =2.0k ? , c l =50pf, t a =+25c, 1% distortion 4--35--khz settling time t s a v =+1.0, c l =50pf, r l =2.0k ? to 0.01%, 10v step 9----5s phase margin f o av=1.0, c l =50pf, r l =2.0k ? , t a =+25c 4 -- -- 50 degrees slew rate +sr c l =50pf, r l =2.0k ? 4,5,6 2.4 4.0 -- v/ s -sr c l =50pf, r l =2.0k ? 4,5,6 2.4 4.0 -- v/ s 1. guaranteed by design. 2. power consumption is based upon quiescent supply current maximum test limit. no load on outputs. 3. full power bandwidth is based on slew rate measurement using fbbw = slew rate/(2 p v peak ). t able 5. op284a e lectrical c haracteristics (v+ = 15v, v- = -15v, v out = 0v, r s = 50 ? , r l = 100 k ? , v cm = 0v, t a = -40c to +125c unless otherwise specified .) p arameter s ymbol t est c onditions s ubgroups m in t yp m ax u nit
m e m o r y 5 all data sheets are subject to change without notice ?2009 maxwell technologies all rights reserved. dual operational amplifier op284a 07.16.09 rev 2 f igure 1. i nput o ffset v oltage d istribution f igure 2. i nput o ffset v oltage d istribution f igure 3. i nput o ffset v oltage d istribution f igure 4. i nput o ffset v oltage d rift d istribution f igure 5. i nput o ffset v oltage d rift d istribution f igure 6. b ias c urrent vs . t emperature
m e m o r y 6 all data sheets are subject to change without notice ?2009 maxwell technologies all rights reserved. dual operational amplifier op284a 07.16.09 rev 2 f igure 7. i nput b ias c urrent vs . c ommon -m ode v oltage f igure 8. o utput v oltage to s upply r ail vs . l oad c urrent f igure 9. s upply c urrent vs . t emperature f igure 10. s upply c urrent vs . s upply v oltage f igure 11. s hort c ircuit c urrent vs . t emperature
m e m o r y 7 all data sheets are subject to change without notice ?2009 maxwell technologies all rights reserved. dual operational amplifier op284a 07.16.09 rev 2 f igure 12. o pen -l oop g ain and p hase vs . f requency (n o l oad ) f igure 13. o pen -l oop g ain and p hase vs . f requency (n o l oad ) f igure 14. o pen -l oop g ain and p hase vs . f requency (n o l oad ) f igure 15. o pen -l oop g ain vs . t emperature
m e m o r y 8 all data sheets are subject to change without notice ?2009 maxwell technologies all rights reserved. dual operational amplifier op284a 07.16.09 rev 2 f igure 16. c losed -l oop g ain vs . f requency (2 k w l oad ) f igure 17. c losed -l oop g ain vs . f requency (2 k w l oad ) f igure 18. c losed -l oop g ain vs . f requency (2 k w l oad ) f igure 19. o utput i mpedance vs . f requency
m e m o r y 9 all data sheets are subject to change without notice ?2009 maxwell technologies all rights reserved. dual operational amplifier op284a 07.16.09 rev 2 f igure 20. o utput i mpedance vs . f requency f igure 21. o utput i mpedance vs . f requency f igure 22. m aximum o utput s wing vs . f requency f igure 23. m aximum o utput s wing vs . f requency f igure 24. cmmr vs . f requency
m e m o r y 10 all data sheets are subject to change without notice ?2009 maxwell technologies all rights reserved. dual operational amplifier op284a 07.16.09 rev 2 f igure 25. psrr vs . f requency f igure 26. s mall s ignal o vershoot vs . c apacitive l oad f igure 27. s lew r ate vs . t emperature f igure 28. v oltage n oise d ensity vs . f requency f igure 29. c urrent n oise d ensity vs . f requency
m e m o r y 11 all data sheets are subject to change without notice ?2009 maxwell technologies all rights reserved. dual operational amplifier op284a 07.16.09 rev 2 f igure 30. s ettling t ime vs . s tep s ize f igure 31. s ettling vs . s tep s ize f igure 32. 0.1 h z to 10 h z n oise f igure 33. 0.1 h z to 10 h z n oise f igure 34. c hannel s eparation vs . f requency
m e m o r y 12 all data sheets are subject to change without notice ?2009 maxwell technologies all rights reserved. dual operational amplifier op284a 07.16.09 rev 2 f igure 35. s mall s ignal t ransient r esponse f igure 36. s mall s ignal t ransient r esponse f igure 37. s mall s ignal t ransient r esponse f igure 38. s mall s ignal t ransient r esponse f igure 39. t otal h armonic d istortion vs . f requency
m e m o r y 13 all data sheets are subject to change without notice ?2009 maxwell technologies all rights reserved. dual operational amplifier op284a 07.16.09 rev 2 note: all dimensions in inches 8-p in r ad -p ak ? f lat p ackage s ymbol d imension m in n om m ax a 0.119 0.132 0.149 b 0.010 0.017 0.022 c 0.004 0.005 0.009 d 0.250 0.255 0.260 e 0.250 0.255 0.260 e1 -- -- 0.290 e2 0.125 0.145 -- e3 0.030 0.040 -- e 0.050 bsc l 0.338 0.348 0.358 q 0.021 0.025 0.045 s1 0.005 0.019 -- n8
m e m o r y 14 all data sheets are subject to change without notice ?2009 maxwell technologies all rights reserved. dual operational amplifier op284a 07.16.09 rev 2 note: all dimensions in inches. 16-p in r ad -p ak ? lcc p ackage s ymbol d imension m in n om m ax a 0.123 0.135 0.150 b 0.018 0.020 0.025 d 0.245 0.250 0.260 d1 0.150 bsc s1 0.050 bsc e 0.050 bsc a1 0.095 0.105 0.116 n16
m e m o r y 15 all data sheets are subject to change without notice ?2009 maxwell technologies all rights reserved. dual operational amplifier op284a 07.16.09 rev 2 important notice: these data sheets are created using the chip manufacturer?s published specifications. maxwell technologies verifies functionality by testing key parameters either by 100% testing, sample testing or characterization. the specifications presented within these data sheets represent the latest and most accurate information available to date. however, these specifications are subject to change without notice and maxwell technologies assumes no responsibility for the use of this information. maxwell technologies? products are not authorized for use as critical components in life support devices or systems without express written approval from maxwell technologies. any claim against maxwell technologies must be made within 90 days from the date of shipment from maxwell tech- nologies. maxwell technologies? liability shall be limited to replacement of defective parts.

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