micross components ltd, tel: +44 1603 788967, fax: + 44 1603788920, email: chipcomponents@micross.com, web: www.micross.com the 2sk389 / lsk389 is a monolithic matched dual jfet on a single chip lsk389 ultra low noise monolithic dual n-channel jfet available packages: 2sk389 / lsk389 in soic-8 lead 2sk389 / lsk389 in thru-hole to-71 6 lead 2sk389 / lsk389 toshiba footprint, so8 / to-71 with socket adaptor 2sk389 / lsk389 available as bare die 2sk389 / lsk389 available as wafer form please contact micross for package and die dimensions 2sk389 / lsk389 applications: end audio microphone, audio amplifier and audio effects box manufacturers instrumentation-input stages of various instruments the acoustic sensor market ?sono boys / antisubmarine, military personnel and vehicle detectors, sonar makers. radiation detectors. why use on-chip dual jfet instead of 2 single jfets? save cost 2sk389 / lsk389 removes signific ant cost for test screening time needed to match i dss on 2 individual jfets and offers zero yield loss. improve performance 2sk389 / lsk389 on-chip i dss matching gives closest possible synchronous electrical performance and also offers better matched p erformance when the chi p is sub j ected to tem p erature. linear s y stems re p laces discontinued toshiba 2sk389 with lsk389 packages
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