Illustration for selection reference only

LM393DR

Dual voltage comparator for analog level detection and waveform shaping.

Product Code
DHDEFDBC64
Brand
TI/德州仪器
Package
SOIC-8
Packaging
—
Category
Integrated Circuits
Weight
—
DatasheetNo verified manufacturer datasheet available yet
DESCRIPTION

Description

OVERVIEW

Product Overview

The LM393DR is a dual voltage comparator IC from Texas Instruments in an SOIC-8 package. It contains two independent comparators that compare two input voltages and produce a digital output. The output has an open-collector structure, allowing interfacing with different logic levels and wired-OR connections. It is commonly used to convert analog signals to digital signals, zero-crossing detection, level discrimination, and simple oscillator circuits. The operating voltage range is relatively wide, making it suitable for general industrial and consumer electronic systems. Actual electrical parameters, temperature range, and response time should be based on the original datasheet.

APPLICATIONS

Applications

  • Used in analog signal level detection and logic discrimination circuits.
  • Used in zero-crossing detection and waveform conversion circuits.
  • Used in simple square-wave oscillators and pulse generator circuits.
  • Used in power supply monitoring and undervoltage indication circuits.
FEATURES AND BENEFITS

Features and Benefits

  • Dual independent comparators handle two signal channels simultaneously.
  • Open-collector output facilitates level matching and wired-OR connections.
  • Wide operating voltage range adapts to various supply environments.
  • SOIC-8 package suits standard surface-mount assembly processes.
ADDITIONAL DETAILS

Additional Details

When purchasing, verify the specific package type, lot, and original manufacturer marking, and confirm whether the operating temperature grade and output structure meet application requirements. Refer to the original datasheet for actual electrical parameters; specific values are not listed here.

Verify product details against the manufacturer datasheet before purchase.

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