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

FEATURES
    LOW DRIFT |∆ VGS1‐2 /∆T|= 5µV/°C max.
    LOW LEAKAGE IG = 20pA TYP.
    LOW NOISE en = 10nV/√Hz TYP.

2N3954 Applications:
◾ Wideband Differential Amps
◾ High Input Impedance Amplifiers