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OPA991 Low-Noise OpAmp

OPA991 Description

www.ti.com OPA991, OPA2991, OPA4991 SBOS969D * OOCTPOAB9E9R12,0O19P *AR2E9V9IS1E,DOJPUALY42909210 SBOS969D * OCTOBER 2019 .
The OPAx991 family (OPA991, OPA2991, and OPA4991) is a family of high voltage (40-V) general purpose operational amplifiers.

OPA991 Features

* Low offset voltage: ±125 µV
* Low offset voltage drift: ±0.3 µV/°C
* Low noise: 10.8 nV/√ Hz at 1 kHz
* High common-mode rejection: 130 dB
* Low bias current: ±10 pA
* Rail-to-rail input and output
* Wide bandwidth: 4.5 MHz GBW
* High

OPA991 Applications

* Low-power audio preamplifier
* Multiplexed data-acquisition systems
* Test and measurement equipment
* ADC driver amplifiers
* SAR ADC reference buffers
* Programmable logic controllers
* High-side and low-side current sensing
* High

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Low-Noise OpAmp Texas Instruments
Texas Instruments OPA991-like datasheet