TSX393IST

Overview

The TSX393IST is a micropower dual CMOS voltage comparator manufactured by STMicroelectronics. It features a typical supply current of 5 µA per comparator and operates within a wide single supply range of 2.7 V to 16 V or dual supplies of ±1.35 V to ±8 V. The device exhibits an extremely low input bias current of 1 pA typical, high input impedance of 10^12 Ω typical, and fast response time of 2 µs typical for 5 mV overdrive. It includes open drain outputs, ESD tolerance of 4 kV HBM and 200 V MM, and is available in the 8-MiniSO package.

Feature Summary

• Micropower CMOS architecture with very low current consumption of 5 µA typical per comparator
• Wide single supply voltage range from 2.7 V to 16 V or dual supplies
• Extremely low input bias current of 1 pA typical with high input impedance
• Enhanced ESD tolerance rated at 4 kV HBM and 200 V MM

Applications

• Signal conditioning circuits requiring low power consumption
• Automotive applications utilizing automotive grade packages
• Battery-powered systems benefiting from micropower operation
• General purpose voltage comparison tasks

Procurement Notes

Verify the specific ordering suffix IST corresponds to the MiniSO-8 package configuration required for your design. Confirm that the component meets RoHS3 compliance standards as indicated in official documentation. Ensure compatibility with your system's voltage levels and temperature specifications before finalizing procurement decisions based on verified datasheet parameters.

Selection Notes

Select this component when designing systems that require low power consumption alongside robust ESD protection. The dual channel configuration allows for efficient space utilization in compact designs. Consider the open-drain output type for interfacing with various logic families. Verify that the operating temperature range aligns with your application environment requirements.

Part Context

The TSX393IST belongs to the TSX series of micropower comparators from STMicroelectronics. This series represents an improvement over previous generations like the TS393, offering lower current consumption and better input offset voltage characteristics. The TSX series is designed for applications demanding energy efficiency and reliability in harsh environments.

Replacement Considerations

The TSX393 is fully compatible with the TS393 CMOS comparator. Designers may consider the TSX393 as a direct replacement for TS393 devices while gaining benefits of improved performance metrics such as reduced current consumption and enhanced ESD tolerance without changing the pinout or basic functionality.