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2N3954 Datasheet PDF

Micross 2N3954

The 2N3954 is a Low Noise, Low Drift, Monolithic Dual N-Channel JFET The 2N3954 family are matched JFET pairs for differential amplifiers. The 2N3954 family of general purpose JFETs is characterized for low and medium frequency differential amplifiers requiring low offset voltage, drift, noise and capacitance The 2N3954 family also exhibits low capacitance - 6pF max and a spot noise figure of -0.5dB max. The part offers a superior tracking ability.
Part No. 2N3954
Datasheet 2N3954 Download
Manufacturer
Micross
Description MONOLITHIC DUAL N-CHANNEL JFET
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2N3954 datasheet page 1 preview

FEATURES

LOW DRIFT LOW LEAKAGE LOW NOISE

ABSOLUTE MAXIMUM RATINGS

@ 25°C (unless otherwise noted) |∆ VGS1‐2 /∆T|= 5µV/°C max. IG = 20pA TYP. en = 10nV/√Hz TYP. 2N3954

APPLICATIONS

: ƒ ƒ Wideband Differential Amps High Input Impedance Amplifiers Maximum Temperatures Storage Temperature ‐65°C to +200°C Operating Junction Temperature +150°C Maximum Voltage and Current for Each Transistor – Note 1 ‐VGSS Gate Voltage to Drain or Source 60V ‐VDSO Drain to Source Voltage 60V ‐IG(f) Gate Forward Current 50mA Maximum Power Dissipation Device Dissipation @ Free Air – Total 400mW @ 25°C MATCHING CHARACTERISTICS @ 25°C UNLESS OTHERWISE NOTED SYMBOL CHARACTERISTICS VALUE UNITS CONDITIONS | V GS1‐2 / T| max. DRIFT VS. 10 µV/°C VDG=20V, ID=200µA TEMPERATURE TA=‐55°C to +125°C | V GS1‐2 | max. OFFSET VOLTAGE 5 mV VDG=20V, ID=200µA MAX. ‐‐ ‐‐ 3000 1000 3 5 5 4.5 4 50 50 ‐‐ 100 5 1 0.1 ‐‐ ‐‐ 0.5 15 6 2 ‐‐ UNITS V V µmho µmho % mA % V V pA nA pA pA µmho µmho µmho dB dB dB nV/√Hz pF pF pF CONDITIONS VDS =...