click to buy information furnished by linear integrated systems and micross components is believed to be accurate and reliable. however, no responsibility is assumed for its use; nor for any infringement of patents or other rights of third parties which may result from its use. no license is granted by implication or otherwise under any patent or patent rights of linear integrated systems. features ? low ? drift ? | ? v ? gs1 \ 2 ? / ? t| ? = ? 10v/c ? typ. ? low ? noise ? e n ? = ? 6nv/hz ? @ ? 10hz ? typ. ? low ? pinchoff ? v p ? = ? 2.5v ? typ. ? absolute ? maximum ? ratings ?? @ ? 25c ? (unless ? otherwise ? noted) ? maximum ? temperatures ? storage ? temperature ?\ 65c ? to ? +150c ? operating ? junction ? temperature ? +150c ? maximum ? voltage ? and ? current ? for ? each ? transistor ? ? ? note ? 1 ? \ v gss ? gate ? voltage ? to ? drain ? or ? source ? 50v ? \ v dso ? drain ? to ? source ? voltage ? 50v ? \ i g ( f ) ? gate ? forward ? current ? 10ma ? maximum ? power ? dissipation ? device ? dissipation ? @ ? free ? air ? ? ? total ????????????????? 300mw ? ? matching ? characteristics ? @ ? 25c ? unless ? otherwise ? noted symbol ? characteristics ? value ? units ? conditions ? | ? v ? gs1 \ 2 ? / ? t| ? max. ? drift ? vs. ? temperature ? 25 ? v/c ? v dg =10v, ? i d =200a ? t a = \ 55c ? to ? +125c ? | ? v ? gs1 \ 2 ? | ? max. ? offset ? voltage ? 10 ? mv ? v dg =10v, ? i d =200a ? electrical ? characteristics ? @ ? 25c ? (unless ? otherwise ? noted) symbol ? characteristics ? min. ? typ. ? max. ? units ? conditions ? bv gss ? breakdown ? voltage ? 50 ? 60 ? \\? v ? v ds ? = ? 0 ?????????????????? i d =1na ? bv ggo ? gate \ to \ gate ? breakdown ? 50 ? \\? \\? v ? ?????? i ? g = ? 1na ??????????????? i d = ? 0 ??????????????? i s = ? 0 ? ? y fss ? transconductance ? full ? conduction ? ? 2000 ? ? \\? ? 7000 ? ? mho ? ? v dg = ? 10v ????????? v gs = ? 0v ?????? f ? = ? 1khz ? y fs ? typical ? operation ? 1000 ? \\? 2000 ? mho ? ????? v dg = ? 15v ????????? i d = ? 200a ???? f ? = ? 1khz ? |y fs1 \ 2 ? / ? y ? fs | ? mismatch ? \\? 0.6 ? 3 ? % ?? ? i dss ? drain ? current ? full ? conduction ? ? 0.5 ? ? \\? ? 10 ? ? ma ? ? v dg = ? 10v ?????????????? v gs = ? 0v ? |i dss1 \ 2 ? / ? i dss | ? mismatch ? at ? full ? conduction ? \\? 1 ? 5 ? % ?? ? v gs (off) ? or ? v p ? gate ? voltage ? pinchoff ? voltage ? ? \ 0.5 ? ? \\? ? \ 2.5 ? ? v ? ? v ds = ? 15v ??????????????? i d = ? 1na ? v gs (on) ? operating ? range ? \\? \\? \ 2.3 ? v ? ?????????????? v ds =15v ????????????????? i d =200a ? ? \ i g max. ? gate ? current ? operating ? ? \\? ? \ 4 ? ? \ 15 ? ? pa ? ? v dg = ? 15v ? i d = ? 200a ? \ i g max. ? high ? temperature ? \\? \\? \ 10 ? na ? t a = ? +125c ? \ i gss max. ? at ? full ? conduction ? \\? \\? 100 ? pa ? v ds =0 ? \ i gss max. ? high ? temperature ? 5 ? 5 ? 5 ? pa ? v dg = ? 15v ????????? t a = ? +125c ? ? y oss ? output ? conductance ? full ? conduction ? ? \\? ? \\? ? 20 ? ? mho ? ? v dg = ? 10v ?????????????? v gs = ? 0v ? y os ? operating ? \\? 0.2 ? 2 ? mho ? v dg = ?? 15v ???????????? i d = ? 500a ? ? cmr ? common ? mode ? rejection ? \ 20 ? log ? | ? v ? gs1 \ 2 / ? v ? ds | ? ? 95 ? ? \\? ? \\? ? db ? ? v ds ? = ? 10 ? to ? 20v ???????? i d =30a ? ? nf ? noise ? figure ? ? \\? ? \\? ? 0.5 ? ? db ? v ds = ? 15v ?????? v gs = ? 0v ??????? r g = ? 10m ? f= ? 100hz ??????????? nbw= ? 6hz ? e n ? voltage ? \\? 20 ? \\? nv/ hz ? v ds =15v ??? i d =200a ??? f=10hz ?? nbw=1hz ? ? c iss ? capacitance ? input ? ? \\? ? \\? ? 8 ? ? pf ? ? v ds = ? 15v ?????? i d = ? 200a ?????? f= ? 1mhz ? c rss ? reverse ? transfer ? \\? \\? 1.5 ? pf ?? the u403/ lsu403 is a low noise, low drift, monolithic dual n-channel jfet lsu403 low noise, low drift monolithic dual n-channel jfet u403 / lsu403 applications: ? wideband differential amps ? high-speed,temp-compensated single- ended input amps ? high-speed comparators ? impedance converters and vibrations detectors. the lsu403 is a high-performance monolithic dual jfet featuring extremely lo w noise, tight offset voltage and low drift over temperat ure specifications, and is targeted for use in a wide range of precision instrumentation applications . the lsu403 features a 5- mv offset and 10-v/c drift. the lsu403 is a direct replacement for discontinued siliconix u403. the hermetically sealed to-71 & to-78 packages are well suited for military applications. (see packaging information). linear s y stems re p laces discontinued siliconix u403 with lsu403 note 1 ? these ratings are limiting values above which the serviceability of any semiconductor may be impaired to-71 / to-78 (top view) available packages: u403 / lsu403 in to-71 & to-78 u403 / lsu403 available as bare die please contact micross for full package and die dimensions micross components europe tel: +44 1603 788967 email: chipcomponents@micross.com web: http://www.micross.com/distribution
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