High Precision Operational Amplifier
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OPA277, OPA2277, OPA4277
SBOS0...
Description
Product Folder
Sample & Buy
Technical Documents
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OPA277, OPA2277, OPA4277
SBOS079B – MARCH 1999 – REVISED JUNE 2015
OPAx277 High Precision Operational Amplifiers
1 Features
1 Ultralow Offset Voltage: 10 μV Ultralow Drift: ±0.1 μV/°C High Open-Loop Gain: 134 dB High Common-Mode Rejection: 140 dB High Power Supply Rejection: 130 dB Low Bias Current: 1-nA maximum Wide Supply Range: ±2 V to ±18 V Low Quiescent Current: 800 μA/amplifier Single, Dual, and Quad Versions Replaces OP-07, OP-77, and OP-177
2 Applications
Transducer Amplifiers Bridge Amplifiers Temperature Measurements Strain Gage Amplifiers Precision Integrators Battery-Powered Instruments Test Equipment
3 Description
The OPAx277 series precision operational amplifiers replace the industry standard OP-177. They offer improved noise, wider output voltage swing, and are twice as fast with half the quiescent current. Features include ultralow offset voltage and drift, low bias current, high common-mode rejection, and high power supply rejection. Single, dual, and quad versions have identical specifications, for maximum design flexibility.
OPAx277 series operational amplifiers operate from ±2-V to ±18-V supplies with excellent performance. Unlike most operational amplifiers which are specified at only one supply voltage, the OPAx277 series is specified for real-world applications; a single limit applies over the ±5-V to ±15-V supply range. High per...
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