OP497

精密Picoampere输入电流四路运算放大器 Precision Picoampere Input Current Quad Operational Amplifier

GENERAL DESCRIPTION

The is a quad op amp with precision performance in the space-saving, industry standard 16-lead SOlC package. Its combination of exceptional precision with low power and extremely low input bias current makes the quad OP497 useful in a wide variety of applications.

FEATURES

Low offset voltage: 75 μV maximum

Low offset voltage drift: 1.0 μV/°C maximum

Very low bias current

25°C: 150 pA maximum

−40°C to +85°C: 300 pA maximum

Very high open-loop gain: 2000 V/mV minimum

Low supply current per amplifier: 625 μA maximum

Operates from ±2 V to ±20 V supplies

High common-mode rejection: 114 dB minimum

APPLICATIONS

Strain gage and bridge amplifiers

High stability thermocouple amplifiers

Instrumentation amplifiers

Photocurrent monitors

High gain linearity amplifiers

Long-term integrators/filters

Sample-and-hold amplifiers

Peak detectors

Logarithmic amplifiers

Battery-powered systems