N-Channel JFET Low Noise Amplifier LLC 2N4338 – 2N4341 ABSOLUTE MAXIMUM RATINGS (TA = 25oC unless otherwise noted) FEATURES • Exceptionally High Figure of Merit • Radiation Immunity Low Noise and Capacitance • Extremely • High Input Impedance Gate-Source or Gate-Drain Voltage . . . . . . . . . . . . . . . . -50V Gate Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50mA Storage Temperature Range . . . . . . . . . . . . . -65oC to +200oC Operating Temperature Range . . . . . . . . . . . -55oC to +175oC Lead Temperature (Soldering, 10sec) . . . . . . . . . . . . . +300oC Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300mW Derate above 25oC . . . . . . . . . . . . . . . . . . . . . . . 2.0mW/ oC APPLICATIONS • Low-level Choppers • Data Switches • Multiplexers and Low Noise Amplifiers NOTE: Stresses above those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions above those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. PIN CONFIGURATION ORDERING INFORMATION Part Package Temperature Range 2N4338-41 X2N4338-41 Hermetic TO-18 Sorted Chips in Carriers TO-18 G,C 5010 D -55oC to +175oC -55oC to +175oC S ELECTRICAL CHARACTERISTICS (TA = 25oC unless otherwise specified) SYMBOL 2N4338 2N4339 2N4340 2N4341 UNITS MIN MAX MIN MAX MIN MAX MIN MAX -0.1 -0.1 -0.1 -0.1 nA PARAMETER IGSS Gate Reverse Current BVGSS Gate-Source Breakdown Voltage -50 VGS(off) Gate-Source Cutoff Voltage -0.3 TA = 150 oC -0.1 -0.1 -50 -1 -0.6 0.05 (-5) -0.1 -50 -1.8 -1 0.05 (-5) -0.1 -50 -3 -2 0.05 (-5) -6 9 mA VDS = 15V, VGS = 0 µS VDS = 15V, VGS = 0 Saturation Drain Current (Note 2) 0.2 gfs Common-Source Forward Transconductance (Note 2) 600 1800 800 2400 1300 3000 2000 4000 gos Common-Source Output Conductance rDS(on) Drain-Source ON Resistance Ciss 1.2 3.6 3 VDS = 15V, ID = 0.1µA VDS = 15V, VGS = ( ) IDSS 1.5 IG = -1µA, VDS = 0 nA (V) Drain Cutoff Current 0.5 V VGS = -30V, VDS = 0 0.07 (-10) ID(off) 0.6 µA TEST CONDITIONS 5 15 30 60 2500 1700 1500 800 Common-Source Input Capacitance 7 7 7 7 Crss Common-Source Reverse Transfer Capacitance 3 3 3 3 NF Noise Figure (Note 1) 1 1 1 1 ohm f = 1kHz VDS = 0, IDS = 0 pF VDS = 15V, VGS = 0 (Note 1) f = 1MHz dB VDS = 15V, VGS = 0 Rgen = 1meg, BW = 200Hz f = 1kHz NOTES: 1. For design reference only, not 100% tested. 2. Pulse test duration 2ms (non-JEDEC Condition). CALOGIC LLC, 237 WHITNEY PLACE, FREMONT CA 94539 510-656-2900 PHONE, 510-651-1076 FAX DS004 REV A