LM392DR

Overview

The LM392DR is a dual-channel low-power operational amplifier and voltage comparator manufactured by Texas Instruments. It integrates two independent amplifiers and two comparators within a single package, offering versatile signal processing capabilities. The device operates on a supply voltage range of 2V to 30V with a typical quiescent current of 500µA. It features an open-collector output configuration compatible with CMOS and TTL logic families. The component is housed in an 8-pin SOIC surface-mount package and supports operation across a temperature range of 0°C to +70°C.

Feature Summary

• Integrates dual operational amplifiers and dual voltage comparators for combined analog signal conditioning and threshold detection
• Features open-collector outputs ensuring compatibility with various digital logic families including CMOS and TTL
• Designed for low power consumption with minimal quiescent current draw suitable for battery-powered applications

Applications

• General-purpose analog signal amplification and filtering circuits
• Voltage level monitoring and threshold detection systems
• Industrial control interfaces requiring mixed analog-digital processing

Procurement Notes

Verify the specific suffix against official manufacturer documentation to confirm pinout and electrical characteristics match design requirements. Ensure the ordering part number corresponds to the correct tape-and-reel packaging format intended for automated assembly processes. Cross-reference the datasheet revision history to validate compliance with current environmental standards and material declarations before finalizing procurement orders.

Selection Notes

Select this component when a compact solution combining both amplification and comparison functions is required. The wide supply voltage range allows flexibility in system power architecture. Consider the open-collector output limitation which requires external pull-up resistors for proper high-state logic levels. Evaluate thermal dissipation requirements based on the specific load conditions and ambient operating environment constraints.

Part Context

This device belongs to the LM39x series of mixed-signal integrated circuits from Texas Instruments. It serves as a cost-effective alternative to discrete component implementations for basic signal processing tasks. The family is widely utilized in consumer electronics and industrial equipment where moderate performance meets strict space and power constraints.

Replacement Considerations

LM392N/NOPB: Pin-compatible through-hole variant with identical electrical specifications.