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LM2903BYDT

LM2903BYDT

STMicroelectronics
Analog Comparators Low power dual voltage comparator
8,917 in stock
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Overview

The LM2903BYDT is a low-power, automotive-grade dual voltage comparator designed to operate from a single power supply over a wide range of voltages. This device consists of two independent voltage comparators with an offset voltage specification and is designed to interface directly with TTL and CMOS logic.

Why Choose This Part

This enhanced version of the industry-standard LM2903 features improved ESD robustness and is qualified for automotive applications. The open-collector output allows for easy level shifting and wired-OR connections across different voltage domains.

Applications

Threshold Detectors
Used to monitor sensor voltages and trigger logic signals when specific levels are reached.
Zero-Crossing Detectors
Detects when an AC input signal passes through zero volts for timing and synchronization.
Battery Voltage Monitoring
Provides low-battery alerts or over-voltage protection in power management circuits.
Oscillators
Acts as a core switching element in simple square-wave or pulse-width modulation generators.

Getting Started

When designing with this part, ensure a pull-up resistor is connected to the output, as the open-collector architecture cannot drive high on its own. For rapid prototyping, use a SOIC-8 to DIP adapter to test the circuit on a breadboard before finalizing the PCB layout.

Categories

Analog ICs > Comparators
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