OPA2191
OPA2191 is Low Input Bias Current Op Amp manufactured by Texas Instruments.
- Part of the OPA191 comparator family.
- Part of the OPA191 comparator family.
ures
- 1 Low offset voltage: ±5 µV
- Low offset voltage drift: ±0.1 µV/°C
- Low noise: 15 n V/√Hz at 1 k Hz
- High mon-mode rejection: 140 d B
- Low bias current: ±5 p A
- Rail-to-rail input and output
- Wide bandwidth: 2.5-MHz GBW
- High slew rate: 5 V/µs
- Low quiescent current: 140 µA per amplifier
- Wide supply: ±2.25 V to ±18 V, 4.5 V to 36 V
- EMI/RFI filtered inputs
- Differential input voltage range to supply rail
- High capacitive load drive capability: 1 n F
- Industry standard packages:
- Single in SOIC-8, SOT-5, and VSSOP-8
- Dual in SOIC-8 and VSSOP-8
- Quad in SOIC-14, TSSOP-14, and WQFN-16
2 Applications
- Multiplexed data-acquisition systems
- Test and measurement equipment
- High-resolution ADC driver amplifiers
- SAR ADC reference buffers
- Programmable logic controllers
- High-side and low-side current sensing
- High precision parator
3 Description
The OPAx191 family (OPA191, OPA2191, and OPA4191) is a new generation of 36-V, e-trim™ operational amplifiers.
These devices offer outstanding dc precision and ac performance, including rail-to-rail input/output, low offset voltage (±5 µV, typ), low offset drift (±0.2 µV/°C, typ), and 2-MHz bandwidth.
Unique...
