The LS4117A is an Ultra-High Input Impedance N-Channel JFET

The LS4117A provides ultra-high input impedance. The device is specified with a 1-pA limit and typically operates at 0.2 pA. The part is ideal for use as a high impedance sensitivefront-end amplifier.

LS4117A Benefits:
ƒ  Insignificant Signal Loss / Error Voltage with High-Impedance Source
ƒ  Low Power Consumption (Battery)
ƒ  Maximum Signal Output, Low Noise
ƒ  High Sensitivityto Low-Level Signals

LS4117A Applications:
ƒ  High-Impedance Transducer
ƒ  Smoke Detector Input
ƒ  Infrared Detector Amplifier
ƒ  Precision Test Equipment