LM2903QDGKRQ1 - Texas Instruments

Manufacturer Part Number

LM2903QDGKRQ1

Manufacturer

Texas Instruments

Introduction

Automotive-qualified dual comparator designed for voltage level detection and signal conditioning.

Product Features and Performance

General-purpose voltage comparator

Two independent comparator elements

Open-collector, Rail-to-Rail output

Robust supply voltage range of 2V to 30V for single or ±1V to ±15V for dual supplies

Maximum input offset voltage of 7mV at 5V

Input bias current maximum of 0.25µA at 5V

Typical output current of 6mA at 5V

Maximum quiescent current of 1mA

Operational temperature range from -40°C to 125°C

Automotive-grade AEC-Q100 qualified for robustness and reliability

Available in a compact 8-TSSOP, 8-MSOP package

Product Advantages

Low input offset voltage and bias current contribute to accurate sensing

Compatibility with single or dual power supplies increases design flexibility

Open-collector output suitable for wired-AND logic connections

Extended temperature range suits automotive and industrial environments

Qualification for automotive standards ensures high reliability

Surface mount package aids in space-saving designs

Key Technical Parameters

Output Type: Open-Collector, Rail-to-Rail

Voltage - Supply: 2V to 30V or ±1V to ±15V

Voltage - Input Offset (Max): 7mV @ 5V

Current - Input Bias (Max): 0.25µA @ 5V

Current - Output (Typ): 6mA @ 5V

Current - Quiescent (Max): 1mA

Operating Temperature: -40°C to 125°C

Quality and Safety Features

Meets AEC-Q100 automotive qualification standards

Compatibility

Suitable for use in systems requiring open-collector or Rail-to-Rail outputs

Application Areas

Automotive electronics

Motor controllers

Battery management systems

Power supply control

Signal conditioning

Level shifting circuits

Product Lifecycle

Product Status: Active

Not indicated as nearing discontinuation

Availability of replacements or upgrades not specified

Several Key Reasons to Choose This Product

Dual-channel flexibility enables use in various signal comparison configurations

Low power consumption ideal for energy-sensitive applications

Broad supply range accommodates a variety of power environments

High-temperature operational capability ensures performance in harsh conditions

Automotive qualification denotes high reliability crucial for safety-critical automotive systems

Compact and surface-mountable for use in space-constrained applications