3.4 3.4 - 1 4 11 r1 supersedes 2 05 r0 features ? available in isolated standard to-3, copper slug to-3 and power dip packages ? 5 amp peak output current ? power supplies to 40v ? fet input ? dual configuration ? available screened to mil-std-883 description the oma2541 is a high performance dual power operational amplifier capable of operation from power supplies up to 40v and continuous output current up to 5a. this device is ideally suited for military motor driver, servo amplifiers, bridge amplifier, synchro/resolver exertation as well as other power management driver applications. internal circuitry limits output current to approximately 6 amps. all products are available with hi-rel screening. absolute maximum ratings @ 25c supply voltage, +v s to -v s ............................................ 80v output current, continuous ............................................. 5a power dissipation, internal ........................................... 125w operating temperature range ............................... -55c to 125c storage temperature range ................................. -55c to 150c maximum junction temperature ...................................... 175c lead temperature (10 sec. soldering) ................................ 300c 8-pin to-3 and 12-pin dip, dual 5 amp operational amplifier dual high power operational amplifier oma2541skc oma2541skoma2541sd schematic pin connection top view d-12 top view to-3 out b +v s -v s -in a out a +in b 1 2 3 45 6 7 8 + +- - a b -in b +in a output (5,1) -in -v s +in +v s +in b -in b -v s +in a -in a nc outb nc nc +v s nc pin 1 designation ? downloaded from: http:///
3.4 3.4 - 2 oma2541sk oma2541skc oma2541sd electrical characteristics (t c = 25c; v s = 34 v dc unless otherwise noted.) parameter conditions min. typ. max. units input offset voltage v os .01 2 mv vs temperature -25c to +125c 15 30 v/c vs temperature -55c to -25c 20 40 v/c vs supply voltage v s = 10v to v max 2.5 10 v/v vs power 20 60 v/w input bias current i b 45 0p a input offset current 1 30 pa i os specified temperature range 5 20 na input characteristics common-mode voltage range -55c to +85c ( v s - 6) ( v s - 3) v +85c to +125c ( v s - 6.5) ( v s - 3.2) v common-mode rejection v cm = ( v s - 6v) 113 db v cm = 22v 95 db input capacitance* 5p f input capacitance, dc* 1t gain characteristics open loop gain at 10hz r l = 10k 90 97 db gain bandwidth product* 1.6 mhz output voltage swing i o = 5a, continuous ( v s - 5.5) ( v s - 4.5) v i o = 2a ( v s - 4.5) ( v s - 3.6) v i o = 0.5a ( v s - 4) ( v s - 3.2) v current peak 91 0 a ac performance slew rate 6 10 v/s power bandwidth* r l = 8 , v o = 20v rms 55 khz setting time to 0.1%* 2v step 2 s capacitive load* specified temperature range, g =1 3.3 a specified temperature range, g >10 soa phase margin* specified temperature range, r l = 8 40 degrees power supply power supply voltage, v s 10 35 40 v current quiescent - 50 60 ma both amplifiers specified temperature range 60 70 ma thermal resistance standard copper slug power maximum conditions to-3 to-3 dip units q jc (junction-to-case) both amplifiers (2) , ac output f > 60hz 1.0 .8 .65 c/w both amplifiers (2) , dc output 1.2 1.0 .80 c/w one amplifier, ac output f > 60hz 1.5 1.2 1.00 c/w one amplifier, dc output 1.9 1.5 1.15 c/w q ja (junction-to-ambient) no heat sink 30 30 30 c/w notes: (1) input bias and offset current approximately doubles for every 10c increase in temperature. (2) assumes equal dissipation in both amplifiers. ( * ) guaranteed - not tested 100%. downloaded from: http:///
3.4 3.4 - 3 oma2541sk oma2541skc oma2541sd typical performance curves t a = +25c, v s = v dc unless otherwise noted 110 1 voltage gian, (db) frequency, (hz) open-loop gain and phase vs frequency 100 9080 70 60 50 40 30 20 10 0 -10 10 100 1k 10k 100k 1m 10m 100 input bias current, (na) 10 1 0.1 0.01 0.001 -25 junction temperature, (c) input bias current vs temperature 0 25 50 75 100 125 1.3 normalized i q 20 +v s + ? -v s ? , (v) normalized quiescent current vs total power supply voltage 1.21.1 1.0 0.9 0.8 0.7 0.6 30 40 50 60 70 80 90 1k voltage noise density, frequency, (hz) voltage noise density vs frequency 1 100 10 10 100 1k 10k 100k t c = 25c t c = -25c t c = 125c 1 65 4 3 2 1 0 2345678910 ? v s ?? ? v out ? , (v) output voltage swing vs output current i out , (a) ? -v s ? - ? v o ? (+v s ) - v o 10 thd + noise, (%) frequency, (hz) total harmonic distortion vs frequency 10 100 1k 10k 100k 1.0 0.1 0.01 0.001 p o = 100mw p o = 5w p o = 50w z l = 3.3nf z l = 3.3nf phase gain downloaded from: http:///
3.4 205 crawford street, leominster, ma 01453 usa (508) 534-5776 fax (508) 537-4246 oma2541sk oma2541skc oma2541sd 120 cmrr, (db) frequency, (hz) typical common-mode rejection vs frequency (case dependent) 10 110100 8070 60 50 90 100 1k 10k 100k 1m 12 output current, (a) case temperature, (c) typical output current vs temperature (case dependent) -50 10 86 4 2 0 -25 0 25 50 75 100 125 i out + i out - 10 safe operating area oma2541skc t c = 25c 1.00.1 1 10 100 t c = 85c t c = 125c 10 safe operating area oma2541sk t c = 25c 1.00.1 1 10 100 t c = 85c t c = 125c * * depending on temperature maximum output may be restricted by internal current limit. see output current specifications and typical curves. 10 safe operating area oma2541sd/sdz copper slug to-3 standard to-3 power dip t c = 25c 1.00.1 1 10 100 t c = 125c t c = 85c mechanical outline h 1 2 3 4 5 6 7 8 f j g q r k a b c e d seating plane inches millimeters dim min max min max a 1.510 1.550 38.35 39.37 b .745 .770 18.92 19.56 c .260 .300 6.60 7.62 d .038 .042 0.97 1.07 e .080 .105 2.03 2.67 f 40 basic 40 basic g .500 basic 12.7 basic h 1.186 basic 30.12 basic j .593 basic 15.06 basic k .400 .500 10.16 12.70 q .151 .161 3.84 4.09 r .980 1.020 24.89 25.91 note: leads in true position within 0.010" (0.25mm) r at mmc at seating plane. pin numbers shown for reference only. numbers may not be marked on package. .150 .030 dia. .040 r.min. .180 min. .900 .260 max. .150 1.050 .540 .750 d-12 to-3-8 downloaded from: http:///
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