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OPA2189IDR: Dual 14MHz, Low Noise, Zero Drift, RRO, CMOS Precision Op Amp with Multiplexer Support

Model: OPA2189IDR

Package: SOIC-8

Type: Precision Operational Amplifier

The OPA2189IDR high-precision operational amplifiers are ultra-low noise, fast and stable, zero-drift devices that provide rail-to-rail outputs with a unique multiplexing-friendly architecture and controlled start-up system. These features and excellent AC performance, combined with a single-channel version with only 0.4µV offset voltage and 0.005µV/°C temperature drift, make the OPAx189 ideal for precision instrumentation, signal measurement, and active filtering applications.

OPA2189IDR - Product Features:

Ultra-high accuracy:

- Zero Drift: 0.005µV/°C (OPA189)

- Ultra-low out-of-phase voltage: 3µV maximum (OPA189)

Outstanding DC accuracy:

- CMRR: 168dB

- Open loop gain: 170dB

Low noise:

- e n at 1kHz: 5.2 nV/√ Hz

- 0.1Hz to 10Hz noise: 0.1µV PP

Excellent dynamic performance:

- Gain bandwidth: 14 MHz

- Slew rate: 20V/µs

- Fast stabilisation: 10V step, 0.01%, 1.1µs

Powerful design:

- Multiplexer-friendly inputs

- RFI/EMI filtered inputs

Wide supply voltage range: 4.5V to 36V

Quiescent current: 1.7 mA (max)

Rail-to-rail outputs

Input includes negative supply rail

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