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OPA2189IDR

The Texas Instruments OPA2189IDR is a dual-channel, precision operational amplifier with a 14MHz bandwidth. It features zero-drift, rail-to-rail output, and CMOS architecture.

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OPA2189IDR Specifications Quick View

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Category	New Products
Manufacturer Name	Texas Instruments
Architecture	CMOS
Features	EMI Hardened, High Cload Drive, Zero Drift, Rail-to-rail In to V-, Out
Number of Channels	2
Operating Temperature Range	-40 to 125 °C
Output Current	0.065 A
Slew Rate	20 V/µs

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OPA2189IDR Description

Short technical summary and product information.

The OPA2189IDR from Texas Instruments is a dual-channel, precision operational amplifier designed for high-performance applications. It operates with a wide supply voltage range from 4.5V to 36V and offers a gain bandwidth product of 14MHz. This amplifier features zero-drift technology, resulting in a very low offset voltage of 0.005mV maximum at 25°C and an offset drift of 0.006 µV/°C typical.

Key electrical characteristics include a low input bias current of 300pA maximum, a typical slew rate of 20V/µs, and a low voltage noise density of 5.2 nV/√Hz at 1kHz. The OPA2189IDR boasts excellent common-mode rejection ratio (CMRR) of 168dB typical and a low total harmonic distortion plus noise (THD+N) of 0.00006% typical at 1kHz. It provides rail-to-rail input common-mode headroom and rail-to-rail output swing.

This precision op amp is built on a CMOS architecture and is suitable for operation within an extended temperature range of -40°C to 125°C. It is available in VSSOP (DGK) and SOIC (D) packages. The OPA2189IDR is designed for applications requiring high accuracy and low noise, such as sensor signal conditioning and precision analog circuits.

OPA2189IDR Quick Information

Product Type: Operational Amplifier

Series: OPAx189

Canonical Name: OPA2189 Dual, 14-MHz, MUX-friendly, low-noise, zero-drift, RRO, CMOS precision operational amplifier

Subcategory: Precision Op Amps

OPA2189IDR Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

OPA2189IDR Features

Dual-channel precision operational amplifier
14MHz gain bandwidth product
Zero-drift architecture for low offset
Rail-to-rail output swing
Wide operating temperature range

OPA2189IDR Applications

Precision sensor signal conditioning.
High-resolution data acquisition systems.
Low-drift bridge amplifiers.
Industrial process control loops.
Medical instrumentation.

OPA2189IDR FAQs

5 frequently asked questions generated from this part’s specifications.

What is the supply voltage range for the OPA2189IDR?

The total supply voltage range is from 4.5 V to 36 V.

What is the offset voltage of the OPA2189IDR?

The offset voltage is a maximum of 0.005 mV at 25°C.

What is the gain bandwidth product (GBW) of this operational amplifier?

The typical gain bandwidth product is 14 MHz.

What is the operating temperature range for the OPA2189IDR?

The operating temperature range is from -40°C to 125°C.

What package types are available for the OPA2189IDR?

It is available in VSSOP (DGK) and SOIC (D) packages.