OPA4991QDYYRQ1 - Texas Instruments

Manufacturer Part Number

OPA4991QDYYRQ1

Manufacturer

Texas Instruments

Introduction

Quad low-noise, high-output operational amplifier

Optimized for automotive and industrial applications

Product Features and Performance

Rail-to-rail input and output

Low input offset voltage of 125 μV

High bandwidth of 4.5 MHz

High slew rate of 21 V/μs

Low input bias current of 10 pA

Capable of driving heavy loads up to 75 mA per channel

Product Advantages

Excellent performance for instrumentation and buffer applications

Robust design for automotive and industrial environments

Efficient quad package saves board space

Key Technical Parameters

Supply voltage range: 2.7 V to 40 V

Total supply current: 560 μA (4 channels)

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

Quality and Safety Features

Meets AEC-Q100 Grade 1 automotive qualification

RoHS-compliant

Compatibility

Suitable for a variety of analog and mixed-signal applications

Application Areas

Automotive electronics

Industrial instrumentation

Data acquisition systems

Sensor conditioning circuits

Product Lifecycle

This product is actively supported and not nearing discontinuation

Replacement or upgrade options may be available from Texas Instruments

Key Reasons to Choose This Product

Excellent performance and stability for demanding applications

Robust design for reliable operation in harsh environments

Efficient quad package layout for space-constrained designs

Automotive-grade qualification for mission-critical systems