4707 dey road liverpool, n.y. 13088 m.s.kennedy corp. (315) 701-6751 3554 features: stable at low gain fast slew rate - 1200v/s typical gain bandwidth product - 1200 mhz typical low quiescent current - 14.0 ma typical low offset - 2 mv maximum drop in replacement for opa 3554 and tp 3554 high output current - 100ma minimum contact msk for mil-prf-38534 qualification status description: the msk 3554 is a pin compatible, low gain stable, drop-in replacement for the opa 3554 and tp 3554. the msk 3554 does not exhibit high frequency output oscillations like other versions of the 3554 when operated at closed loop gains of less than 55 v/v. the extremely low input bias current and input offset voltage ratings coupled with a high slew rate and wide bandwidth make the msk 3554 an excellent choice for fast d/a converters, buffers, pulse amplifiers and other high speed op-amp applications. the msk 3554 is packaged in an 8-pin to-3 using thick film hybrid technology to obtain high reliability and compact size. fast d/a converters pulse amplifiers video instrumentation fast buffer/follower video frequency filters balance 2 negative power supply non-inverting input inverting input 1 2 3 4 output positive power supply compensation balance 1 8 7 6 5 typical applications pin-out information high speed, wideband operational amplifier equivalent schematic mil-prf-38534 certified rev. d 5/06 1
static supply voltage range quiescent current thermal resistance input input offset voltage input offset voltage drift input offset adjust input bias current input offset current input impedance power supply rejection ratio input noise density input noise voltage output output voltage swing output current settling time power bandwidth bandwidth (small signal) transfer characteristics slew rate open loop voltage gain absolute maximum ratings t st t ld p d t j storage temperature range lead temperature range (10 seconds) power dissipation junction temperature supply voltage peak output current differential input voltage case operating temperature msk 3554b msk 3554 -65c to +150c 300c see curve 175c unless otherwise specified v cc =15v dc av=-1, measured in false summing junction circuit. devices shall be capable of meeting the parameter, but need not be tested. typical parameters are for reference only. industrial grade and "e" suffix devices shall be tested to subgroups 1 and 4 unless otherwise specified. military grade devices ('b' suffix) shall be 100% tested to subgroups 1,2,3 and 4. subgroup 5 and 6 testing available upon request. subgroup 1,4 t a =t c =+25c subgroup 2,5 t a =t c =+125c subgroup 3,6 t a =t c =-55c measurement taken .5 second after application of power using automatic test equipment. continuous operation at or above absolute maximum ratings may adversely effect the device performance and/or life cycle. notes: 18v 150ma 25v -55c to +125c -40c to +85c v cc i out v in t c 1 2 3 4 5 6 7 8 9 10 11 min. 12 - - - - - - - - - - 80 - - 10.5 100 - 16 70 800 90 max. 18 20 30 - 2.0 50 50 50 25 30 - - - - - - 150 - - - - min. 12 - - - - - - - - - - 80 - - 10 100 - 15 70 750 88 max. 18 20 - - 3.0 - 100 - 30 - - - - - - - 150 - - - - units v ma ma c/w mv v/c mv pa na pa na ? db nv hz vrms v ma ns mhz mhz v/s db msk 3554b/e 11 11 msk 3554 adjust to zero adjust to zero electrical specifications 10 3 3 3 3 2 typ. 15 14 - 37 0.5 20 10 10 2.0 2.0 10 110 15 10.0 12 120 120 19 90 1200 96 typ. 15 14 - 37 0.5 20 20 - 2.0 - 10 110 15 10.0 12 120 120 19 90 1200 96 test conditions group a subgroup - 1 2,3 - 1 2,3 1,2,3 1 2,3 1 2,3 - - - - 4 4 4 4 4 4 4 v in =0v a v =-1 v/v junction to case output devices bal.pins=n/c v in =0v a v =-10 v/v v in =0v r pot =20k ? to +v cc a v =-1 v/v v cm =0v either input v cm =0v f=dc differential ? v cc =10v f=1khz f=10hz to 1mhz r l =100 ? t j <150c 0.1% 10v step r l =100 ? v o =10v c c =0 c c =0 v out =10v r l =100 ? c c =0 c c =0 r l =100 ? f=1khz v out =10v parameter 3 3 3 3 3 3 2 rev. d 5/06 3 11
application notes heat sinking refer to the following thermal model and governing equa- tions to determine appropriate heat sinking for your application. example: this example demonstrates a worst case analysis for the op- amp output stage. this occurs when the output voltage is 1/2 the power supply voltage. under this condition, maximum power transfer occurs and the output is under maximum stress. conditions: v cc = 16vdc v o = 8vp sine wave, freq. = 1khz r l = 100 ? governing equation: t j =p d x (r jc + r cs + r sa ) + t a where t j = junction temperature p d = total power dissipation r jc = junction to case thermal resistance r cs = case to heat sink thermal resistance r sa = heat sink to ambient thermal resistance t c = case temperature t a = ambient temperature t s = sink temperature for a worst case analysis we will treat the +8vp sine wave as an 8 vdc output voltage. 1.) find driver power dissipation p d = (v cc -v o ) (v o /r l ) = (16v-8v) (8v/100 ? ) = .64w 2.) for conservative design, set t j =+125c 3.) for this example, worst case t a =+90c 4.) r jc = 37c/w from msk 3554b data sheet 5.) r cs = 0.15c/w for most thermal greases 6.) rearrange governing equation to solve for r sa r sa = ((t j - t a )/p d ) - (r jc ) - (r cs ) = ((125c - 90c) / .64w) - 37c/w - .15c/w = 54.7 - 37.15 = 17.54c/w the heat sink in this example must have a thermal resistance of no more than 17.54c/w to maintain a junction temperature of no more than +125c. offset null typically, the msk 3554(b) has an input offset voltage of less than 0.5mv. if it is desirable to adjust the offset closer to "zero", or to a value other than "zero", the circuit below is recommended. rp should be a ten-turn 20k ? potentiometer. typical offset adjust is 20mv. thermal model: gain -1 -10 -100 follower rfb 5.6k ? 5.6k ? 10k ? 0 ? cfb 2.0pf 1.2pf 0.0pf 0pf ccomp 10pf 10pf 0.0pf 12pf rin 5.6k ? 560 ? 100 ? 0 ? component selection table compensation the compensation capacitor is connected between pins 1 and 3 and is used to optimize bandwidth and slew rate while maintaining circuit stability. the effect of compensation ca- pacitance can be seen in the bode plot under the typical perfor- mance curves. as closed loop gain increases, compensation capacitance can decrease and higher slew rates and wider band- widths will be realized. see the component selection table for recommended values of input and feedback resistance as well as feedback capacitance and compensation capacitance. 3 rev. d 5/06
typical performance curves rev. d 5/06 4
top view pin references shown. ordering information screening level msk3554 industrial the information contained herein is believed to be accurate at the time of printing. msk reserves the right to make changes to its products or specifications without notice, however, and assumes no liability for the use of its products. please visit our website for the most recent revision of this datasheet. mechanical specifications m.s. kennedy corp. 4707 dey road, liverpool, new york 13088 phone (315) 701-6751 fax (315) 701-6752 www.mskennedy.com msK3554E extended reliability rev. d 5/06 part number 5 all dimensions are 0.010 inches unless otherwise labeled msk3554b mil-prf-38534 class h weight=14.1 grams typical
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