LSK170

LSK170 Linear Integrated Systems FEATURES ULTRA LOW NOISE (f = 1kHz) HIGH BREAKDOWN VOLTAGE HIGH GAIN HIGH INPUT IMPEDANCE LOW CAPACITANCE ABSOLUTE MAXIMUM RATINGS1 @ 25 °C (unless otherwise stated) Maximum Temperatures Storage Temperature Operating Junction Temperature Maximum Power Dissipation Continuous Power Dissipation @ +125 °C Maximum Currents Gate Forward Current Maximum Voltages Gate to Source Gate to Drain VGSS = 40V VGDS = 40V IG(F) = 10mA *For equivalent monolithic dual, see LSK389 family. 400mW -65 to +150 °C -55 to +135 °C en = 0.9nV/√Hz BVGSS = 40V max Yfs = 22mS (typ) IG = -500pA max 22pF max ULTRA LOW NOISE SINGLE N-CHANNEL JFET IMPROVED SECOND SOURCE REPLACEMENT FOR 2SK170 TO-92 BOTTOM VIEW SOT-23 TOP VIEW D 1 3 DGS 123 G S 2 ELECTRICAL CHARACTERISTICS @ 25 °C (unless otherwise stated) SYMBOL BVGSS VGS(OFF) VGS IDSS IG IGSS Yfss Yfs en en CISS CRSS 1. CHARACTERISTIC Gate to Source Breakdown Voltage Gate to Source Pinch-off Voltage Gate to Source Operating Voltage Drain to Source Saturation Current Gate Operating Current Gate to Source Leakage Current Full Conduction Transconductance Typical Conduction Transconductance Noise Voltage Noise Voltage Common Source Input Capacitance Common Source Reverse Transfer Cap. LSK170A LSK170B LSK170C MIN 40 0.2 TYP MAX UNITS V 2 V V 6.5 12 20 0.5 1 nA nA mS mS 1.9 4 nV/√Hz nV/√Hz pF pF mA CONDITIONS VDS = 0, ID = 100µA VDS = 10V, ID = 1nA VDS = 10V, ID = 1mA VDG = 10V, VGS = 0 VDG = 10V, ID = 1mA VDG = 10V, VDS = 0 VGD = 10V, VGS = 0, f = 1kHz VDG = 15V, ID = 1mA VDS = 10V, ID = 2mA, f = 1kHz, NBW = 1Hz VDS = 10V, ID = 2mA, f = 10Hz, NBW = 1Hz VDS = 15V, ID = 500µA 0.5 2.6 6 10 22 10 0.9 2.5 20 5 Absolute maximum ratings are limiting values 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. Linear Integrated Systems • 4042 Clipper Court • Fremont, CA 94538 • Tel: 510 490-9160 • Fax: 510 353-0261