LSK170 LINEAR | Alldatasheet
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Linear Integrated Systems • 4042 Clipper Court • Fremont, CA 94538 • Tel: 510 490-9160 • Fax: 510 353-0261
FEATURES
ULTRA LOW NOISE (f = 1kHz) e n = 0.9nV/√Hz HIGH BREAKDOWN VOLTAGE BV GSS = 40V max HIGH GAIN Y fs = 22mS (typ) HIGH INPUT IMPEDANCE I G = -500pA max LOW CAPACITANCE 22pF max IMPROVED SECOND SOURCE REPLACEMENT FOR 2SK170 ABSOLUTE MAXIMUM RATINGS1 @ 25 °C (unless otherwise stated) Maximum Temperatures Storage Temperature -65 to +150 °C Operating Junction Temperature -55 to +135 °C Maximum Power Dissipation Continuous Power Dissipation @ +125 °C 400mW Maximum Currents Gate Forward Current I G(F) = 10mA Maximum Voltages Gate to Source V GSS = 40V Gate to Drain V GDS = 40V ELECTRICAL CHARACTERISTICS @ 25 °C (unless otherwise stated) SYMBOL CHARACTERISTIC MIN TYP MAX UNITS CONDITIONS BVGSS Gate to Source Breakdown Voltage 40 V V DS = 0, ID = 100µA VGS(OFF) Gate to Source Pinch-off Voltage 0.2 2 V V DS = 10V, ID = 1nA VGS Gate to Source Operating Voltage 0.5 V V DS = 10V, ID = 1mA LSK170A 2.6 6.5 LSK170B 6 12 IDSS Drain to Source Saturation Current LSK170C 10 20 mA V DG = 10V, VGS = 0 IG Gate Operating Current 0.5 nA V DG = 10V, ID = 1mA IGSS Gate to Source Leakage Current 1 nA V DG = 10V, VDS = 0 Yfss Full Conduction Transconductance 22 mS V GD = 10V, VGS = 0, f = 1kHz Yfs Typical Conduction Transconductance 10 mS V DG = 15V, ID = 1mA en Noise Voltage 0.9 1.9 nV/ √Hz VDS = 10V, ID = 2mA, f = 1kHz, NBW = 1Hz en Noise Voltage 2.5 4 nV/ √Hz VDS = 10V, ID = 2mA, f = 10Hz, NBW = 1Hz CISS Common Source Input Capacitance 20 pF CRSS Common Source Reverse Transfer Cap. 5 pF VDS = 15V, ID = 500µA LSK170 ULTRA LOW NOISE SINGLE N-CHANNEL JFET Linear Integrated Systems 1. Absolute maximum ratings are limiting va lues above which serviceability may be impaired. Information furnished by Linear Integrated Systems 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. *For equivalent monolithic dual, see LSK389 family. TO-92 BOTTOM VIEW 123 DGS SOT-23 TOP VIEW D G S