LM393APWRG4

Overview

The LM393APWRG4 is a dual differential analog comparator manufactured by Texas Instruments, belonging to the LM393A series. It features an 8-TSSOP surface-mount package with two independent channels. The device operates on a single supply voltage ranging from 2 V to 36 V or dual supplies of ±1 V to ±18 V. Key electrical specifications include a maximum input offset voltage of 5 mV at 30 V, a typical quiescent current of 0.2 mA per channel, and a propagation delay of 0.3 µs. The output type is open collector with rail-to-rail capability, supporting CMOS and TTL logic levels.

Feature Summary

• Dual-channel differential comparison architecture for independent signal processing
• Wide single-supply operating range from 2 V to 36 V
• Open-collector outputs compatible with various logic families
• Low power consumption with minimal quiescent current draw

Applications

• Battery-powered systems requiring low standby current
• Over-voltage and under-voltage protection circuits
• Temperature sensing and control loops
• Window comparator designs for threshold detection

Procurement Notes

Verify the specific suffix 'G4' indicates lead-free and RoHS compliance status as per Texas Instruments documentation. Confirm the 'A' grade designation aligns with required offset voltage tolerances for your application. Ensure the TSSOP-8 footprint matches your PCB layout constraints. Check for end-of-life notices or production changes via official PCN documents before finalizing procurement plans.

Selection Notes

Select this component when dual comparators are needed in a compact surface-mount package. The LM393A variant offers tighter offset voltage specifications compared to standard grades. Consider the open-collector output requirement for interfacing with different voltage domains. Evaluate the 2 V minimum supply voltage against your system's lowest operating condition to ensure reliable functionality.

Part Context

This part belongs to the Texas Instruments LM393 family of dual comparators, widely used in industrial and consumer electronics. The LM393A sub-series provides enhanced performance characteristics such as reduced input offset voltage. The G4 suffix typically denotes environmental compliance and manufacturing updates within the TI product line. It serves as a direct replacement for legacy LM393 variants in existing designs requiring improved accuracy.

Replacement Considerations

LM393PWRG4: Pin-compatible alternative with standard grade specifications. LM393ADR: SOIC-8 package version of the same device family. LM393ADGKRG4: VSSOP-8 package option with similar electrical characteristics.