STMicroelectronics Low Power Single Voltage Comparator 2 V to 36 V Supply 5-Pin SOT-23 TS391RILT

STMicroelectronics TS391RILT is a low power, single voltage comparator built to operate over a broad voltage range from 2 V up to 36 V or dual supplies from ±1 V to ±18 V. It is designed specifically to work in applications requiring a wide input common-mode voltage range that includes ground, making it highly versatile in many electronic circuits.

The device features a very low supply current of just 200 µA, allowing for energy efficient designs particularly in battery-powered or portable devices. The comparator output is compatible with multiple logic families, including DTL, TTL, CMOS, and ECL, facilitating easy interfacing with varied digital components.

This model, packaged in a compact 5-pin SOT-23 surface mount package, is ideal for space-constrained applications in industrial, automotive, and consumer electronics sectors. With a typical response time of 300 nanoseconds, it supports high-speed operation essential in precision timing and switching uses.

Additional technical features include a low input bias current of 25 nA, a very low input offset current of ±5 nA, and a low output saturation voltage of approximately 250 mV at 4 mA load current. It supports a wide operating temperature range from -40 °C to 125 °C, ensuring reliable performance under harsh environmental conditions.

Wide single supply voltage or dual supplies support a broad range of operating conditions. Low power consumption with a fixed low supply current independent of voltage. Compatible with various logic output types for flexible digital interfacing.

Compact and reliable surface mount design suitable for modern PCB assembly. Robust temperature and voltage operating ranges for industrial-grade applications.

The STMicroelectronics TS391RILT comparator is commonly used in industrial control systems, signal conditioning circuits, power management, measurement instruments, and embedded system designs. It offers a reliable solution for engineers requiring precision signal comparison with low power and wide voltage range capability.

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