Texas Instruments OPA4990
The OPAx990 family (OPA990, OPA2990, and OPA4990) is a family of high voltage (40 V) general purpose operational amplifiers. These devices offer excellent DC precision and AC performance, including rail-to-rail input/output, low offset (±300 µV, typ), and low offset drift (±0.6 µV/°C, typ). The OPAx990 family of op amps is available in micro-size packages (such as X2QFN, WSON, and SOT-553), as well as standard packages (such as SOT-23, SOIC, and TSSOP), and is specified from –40°C to 125°C.FEATURES
● Low offset voltage: ±300 µV● Low offset voltage drift: ±0.6 µV/°C
● Low noise: 30 nV/√Hz at 1 kHz
● High common-mode rejection: 115 dB
● Low bias current: ±10 pA
● Rail-to-rail input and output
● MUX-friendly/comparator inputs – Amplifier operates with differential inputs up to supply rail – Amplifier can be used in open-loop or as comparator
● Wide bandwidth: 1.1-MHz GBW
● High slew rate: 4.5 V/µs
● Low quiescent current: 120 µA per amplifier
● Wide supply: ±1.35 V to ±20 V, 2.7 V to 40 V
● Robust EMIRR performance: 78 dB at 1.8 GHz
● Differential and common-mode input voltage range to supply rail 2
APPLICATIONS
● Multiplexed data-acquisition systems● Test and measurement equipment
● Motor drive: power stage and control modules
● Power delivery: UPS, server, and merchant network power
● ADC driver and reference buffer amplifier
● Programmable logic controllers
● Analog input and output modules
● High-side and low-side current sensing
● High precision comparator 3 Descript...