Text preview for : LSK389_.pdf part of Keithley LSK389 Keithley 2001 ds LSK389_.pdf
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LSK389
ULTRA LOW NOISE
MONOLITHIC DUAL
N-CHANNEL JFET AMPLIFIER
FEATURES
ULTRA LOW NOISE en = 0.9nV/Hz (typ)
TIGHT MATCHING IVGS1-2I = 20mV max
HIGH BREAKDOWN VOLTAGE BVGSS = 40V max
HIGH GAIN Gfs = 20mS (typ)
LOW CAPACITANCE 25pF typ
IMPROVED SECOND SOURCE REPLACEMENT FOR 2SK389
ABSOLUTE MAXIMUM RATINGS1
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