J212

J210, J211, J212 Linear Integrated Systems LOW NOISE N-CHANNEL J-FET GENERAL PURPOSE AMPLIFIER TO-92 FEATURES HIGH GAIN gfs = 7000µmho MINIMUM (J211, J212) HIGH INPUT IMPEDANCE IGSS= 100pA MAXIMUM 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 G S Plastic TO-92 D G DS -25V 10mA 360mW -55°C to + 135°C G S D Bottom View ELECTRICAL CHARACTERISTICS @ 25°C (unless otherwise noted) SYMBOL CHARACTERISTICS J210 J211 MIN TYP MAX MIN TYP MAX IGSS VGS(off) BVGSS IDSS IG gfs gos Ciss Crss en Gate Reverse Current Gate-Source Cutoff Voltage Gate-Source Breakdown Voltage --1 -25 2 -4,000 -----10 --4 1 10 -100 -3 -15 -12,000 --2.5 -25 7 -6,000 -----10 --4 1 10 -100 -4.5 -20 -12,000 J212 UNITS CONDITIONS MIN TYP MAX ---100 pA VDS=0 VGS= -15V (NOTE 1) -4 -25 15 -7,000 ----10 --4 1 10 -6 -40 -12,000 V mA pA µmho VDS=15V VDS=0 VDS=15V VDS=10V ID=1nA IG= -1µA VGS=0 ID=1mA (NOTE 2) (NOTE 1) f=1kHz Drain Saturation Current Gate Current Common-Source Forward Transconductance Common-Source Output Conductance Common-Source Input Capacitance Common-Source Reverse Transfer Capacitance Equivalent Short-Circuit Input Noise Voltage ----- 150 ---- ----- 200 ---- ----- 200 -pF --nV√Hz f=1kHz VDS=15V VGS=0 f=1MHz 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