LM2903M/ELLI699

Description：PROTOTYPE
Series：-
Mfr：Texas Instruments
Package：Bulk

SKU:a18706a66aec Category: Comparators Brand: Texas Instruments

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Product introduction

Product Detailed Parameters

Description：PROTOTYPE
Series：-
Mfr：Texas Instruments
Package：Bulk
Type：General Purpose
Number of Elements：2
Output Type：Open-Collector, Rail-to-Rail
Voltage - Supply, Single/Dual (±)：2V ~ 36V, ±1V ~ 18V
Voltage - Input Offset (Max)：7mV @ 30V
Current - Input Bias (Max)：0.25µA @ 5V
Current - Output (Typ)：16mA @ 5V
Current - Quiescent (Max)：2.5mA
CMRR, PSRR (Typ)：-
Propagation Delay (Max)：700ns (Typ)
Hysteresis：-
Operating Temperature：-40°C ~ 85°C
Package / Case：8-SOIC (0.154", 3.90mm Width)
Mounting Type：Surface Mount
Supplier Device Package：8-SOIC
Grade：-
Qualification：-

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LM2903M/ELLI699

Overview

The LM2903M/ELLI699 is a dual differential comparator from Texas Instruments, designed for precise voltage level comparisons. It operates within a supply voltage range of 2 V to 30 V and features a typical propagation delay of 700 ns. The device supports CMOS and TTL logic outputs with an open-collector configuration. It functions reliably across operating temperatures from -40°C to 85°C or up to +125°C depending on the specific variant. Key electrical characteristics include a maximum quiescent current of 2.5 mA and an input bias current of 25 nA.

Feature Summary

Dual differential architecture for accurate voltage comparison
Compatible with various logic families including CMOS and TTL
Low power consumption suitable for battery operation
Open-collector output structure

Applications

Voltage level detection circuits
Battery-powered sensing applications
General-purpose analog signal processing

Procurement Notes

Verify component authenticity through authorized channels as this part may be obsolete. Confirm exact temperature grade and package specifications against original design requirements. Check for recommended substitutes if availability is limited. Ensure compliance with RoHS directives where applicable. Validate datasheet revisions before final integration.

Selection Notes

Select based on required propagation delay and supply voltage constraints. Consider thermal performance for high-temperature environments. Evaluate compatibility with existing logic levels. Verify package dimensions for PCB layout. Assess quiescent current impact on system power budget.

Part Context

This component belongs to the LM2903 series of low-power, low-offset voltage dual comparators manufactured by Texas Instruments. It is engineered for applications requiring precise voltage monitoring with minimal power drain. The series is widely used in industrial and consumer electronics for signal conditioning and threshold detection tasks.