TLC352IDG4

Comparators Overview

The TLC352IDG4 is a dual differential comparator from Texas Instruments, fabricated using CMOS technology. It operates on a single or dual supply ranging from 2.7V to 16V. The device features an open-drain output stage and extremely high input impedance of 10^12 ohms typical. Key electrical characteristics include a typical supply current of 150µA at 5V, an input bias current of 5pA, and a response time of 200ns. It is housed in an SOIC-8 package and characterized for industrial temperature operation from -40°C to 85°C.

Comparators Feature Summary

• Extremely high input impedance allowing direct interface to high-impedance sources
• Open-drain output compatible with TTL, MOS, and CMOS logic families
• Built-in electrostatic discharge protection circuits
• Pin-compatible with LM393 for easy design upgrades

Comparators Applications

• Low-voltage battery-powered systems requiring minimal power consumption
• Threshold detection circuits utilizing the wide common-mode input range
• Logic level translation between different voltage domains via open-drain outputs
• High-speed signal comparison in industrial environments

Comparators Procurement Notes

Verify the specific suffix G4 indicates lead-free and RoHS compliance status according to the latest manufacturer documentation. Confirm the active production status and availability through official Texas Instruments channels before finalizing component selection for new designs.

Comparators Selection Notes

Select this component when low power consumption and high input impedance are critical requirements. Ensure the application utilizes pull-up resistors appropriate for the open-drain output configuration. Verify that the operating voltage remains within the 2.7V to 16V range for reliable performance across the specified temperature spectrum.

Comparators Part Context

This device belongs to the TLC352 family of micro-power comparators. It serves as a CMOS alternative to bipolar comparators, offering significantly lower input bias currents. The series supports both single and dual supply configurations, making it versatile for various analog signal processing tasks.

Comparators Replacement Considerations

The LM393 is officially noted as pin-compatible. Designers should verify electrical parameter differences such as offset voltage and propagation delay when substituting this part with other dual comparator models.

Comparators FAQ

How should unused comparator inputs be handled?

Do not tie unused inputs together. Connect them to a voltage within the specified input range that provides at least 50mV differential voltage to prevent oscillation caused by internal noise.

What is the maximum allowable voltage difference between the input pins and the supply rails?

The inputs or output must not exceed the supply rails by more than 300mV to ensure proper ESD clamp functionality and device safety.