OP297FS

双通道，低偏置电流精密运算放大器 Dual Low Bias Current Precision Operational Amplifier

GENERAL DESCRIPTION

The OP297 is the first dual op amp to pack precision performance into the space saving, industry-standard 8-lead SOIC package. The combination of precision with low power and extremely low input bias current makes the dual OP297 useful in a wide variety of applications.

FEATURES

Low offset voltage: 50 μV maximum

Low offset voltage drift: 0.6 μV/°C maximum

Very low bias current: 100 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: 120 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