J210, J211, J212 LOW NOISE N-CHANNEL J-FET GENERAL PURPOSE AMPLIFIER Linear Integrated Systems TO-92 Plastic FEATURES HIGH GAIN gfs = 7000µmho MINIMUM (J211, J212) TO-92 D HIGH INPUT IMPEDANCE IGSS= 100pA MAXIMUM G LOW INPUT CAPACITANCE Ciss= 5pF TYPICAL ABSOLUTE MAXIMUM RATINGS @ 25°C (unless otherwise noted) Gate-Drain or Gate-Source Voltage Gate Current Total Device Dissipation @ 25°C Ambient (Derate 3.27 mW/°C) Operating Temperature Range S G D S -25V 10mA 360mW G S D -55°C to + 135°C Bottom View ELECTRICAL CHARACTERISTICS @ 25°C (unless otherwise noted) SYMBOL CHARACTERISTICS J210 J211 MIN TYP MAX MIN TYP MAX J212 UNITS CONDITIONS MIN TYP MAX ---100 pA VDS=0 VGS= -15V (NOTE 1) IGSS Gate Reverse Current -- -- -100 -- -- -100 VGS(off) Gate-Source Cutoff Voltage -1 -- -3 -2.5 -- -4.5 BVGSS Gate-Source Breakdown Voltage -25 IDSS Drain Saturation Current IG Gate Current gfs Common-Source Forward gos Transconductance Common-Source Output Conductance -- -- 150 -- -- 200 -- -- 200 Ciss Common-Source Input -- 4 -- -- 4 -- -- 4 -- -- 1 -- -- 1 -- -- 1 -- -- 10 -- -- 10 -- -- 10 -- -4 -- -- -25 -- -- -25 2 -- 15 7 -- 20 -- -10 -- -- -10 -- 4,000 -- 12,000 6,000 -- 12,000 -- -6 Common-Source Reverse VDS=15V ID=1nA VDS=0 IG= -1µA -- -- 15 -- 40 mA VDS=15V VGS=0 (NOTE 2) -- -10 -- pA VDS=10V ID=1mA (NOTE 1) 7,000 -- 12,000 µmho Capacitance Crss V f=1kHz VDS=15V VGS=0 f=1MHz pF Transfer Capacitance en Equivalent Short-Circuit Input Noise Voltage nV√Hz f=1kHz NOTE 1: Approximately doubles for every 10°C increase in TA. NOTE 2: Pulse test duration = 2ms. Linear Integrated Systems 4042 Clipper Ct., Fremont, CA 94538 TEL: (510) 490-9160 • FAX: (510) 353-0261