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.
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
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
