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Mingjiada Electronics Supplies TI (OPA2189IDR) Dual Channel Precision Operational Amplifiers - 14MHz, Low Noise, Zero Drift, Enabling High Precision Signal Processing

Product Overview

The [TI] OPA2189IDR is a high-performance dual-channel operational amplifier designed for high-precision, low-noise and zero-drift applications. Its core advantage lies in the combination of 14MHz bandwidth, ultra-low offset voltage and very low noise characteristics, which makes it suitable for industrial, medical and test and measurement equipment requiring long-term stability and precision signal conditioning. Mingjiada Electronics has been supplying OPA2189IDR Operational Amplifiers with quality assurance for a long time, which meets the customer's requirement of high quality components.

OPA2189IDR Key Specifications

Electrical Performance

- Bandwidth: 14MHz (gain bandwidth product)

- Supply voltage range: ±2.25V to ±18V (dual supply) / 4.5V to 36V (single supply)

- Input offset voltage: 0.25µV (typical, zero-drift technique)

- Input offset voltage temperature drift: 0.005µV/°C (typical)

- Input bias current: ±10pA (maximum)

Noise Performance:

- Voltage noise density: 5.5nV/√Hz @ 10kHz

- Current noise density: 1.7fA/√Hz

- Voltage Slew Rate: 10V/µs

- Common Mode Rejection Ratio (CMRR): 140dB (typical)

- Power Supply Rejection Ratio (PSRR): 130dB (typical)

Package and Operating Conditions

- Package type: SOIC-8 (surface mount)

- Operating temperature range: -40°C to +125°C

- Quiescent current: 1.5mA per channel (typical)

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

Typical application areas for the OPA2189IDR:

Battery testing

Analogue input modules

Weighing scales

DC power supplies, AC power supplies, electronic loads

Multi-function relays

OPA2189IDR MUX Friendly Inputs Offer Fast Build-Up Time Performance and Maintain High Input Impedance in Switching State

The OPA2189IDR is ideal for high-precision signal chain designs due to its zero-drift, low-noise, and wide bandwidth characteristics. Meanwhile, Mingjiada Electronics helps customers achieve technological innovation in the industrial, medical and test fields with its high quality supply services. For further product details or to place an order, please contact our customer service team.

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