TS391ILT

The TS391ILT is a precision voltage comparator manufactured by STMicroelectronics. It is designed for applications requiring high-speed performance and low power consumption. Here’s a detailed description of its features and specifications:

General Features:

• Type: Voltage Comparator
• Number of Channels: Single-channel comparator
• Supply Voltage Range: Typically operates from a single supply voltage of 2.7V to 36V, or dual supplies of ±1.35V to ±18V, making it versatile for various applications.
• Input Voltage Range: The input common-mode voltage range extends from the negative supply rail to about 1.5V below the positive supply rail, allowing for a wide range of input signals.

Electrical Characteristics:

• Propagation Delay: The TS391ILT boasts a fast response time, with a typical propagation delay of around 200 ns, enabling it to handle high-speed applications effectively.
• Output Type: The output is an open-drain configuration, which allows for wired-AND logic in multi-device applications and provides flexibility in interfacing with different voltage levels.
• Output Voltage Swing: The output can pull down to within a few millivolts of the ground level, ensuring a low output voltage swing for better signal integrity.

Performance:

• Input Offset Voltage: The device features a low input offset voltage, typically around 2 mV, which enhances its precision in applications requiring accurate voltage comparisons.
• Hysteresis: The TS391ILT can be configured with hysteresis to prevent unwanted toggling of the output in noisy environments, improving stability in applications like Schmitt triggers.
• Power Consumption: It has a low quiescent current, making it suitable for battery-powered devices and energy-efficient designs.

Package and Thermal Characteristics:

• Package Type: The TS391ILT is available in a small form factor, typically in an SOT-23 package, which is ideal for space-constrained applications.
• Operating Temperature Range: The device operates reliably over a wide temperature range, typically from -40°C to +125°C, ensuring performance in various environmental conditions.

Applications:

The TS391ILT is suitable for a variety of applications, including:

• Battery voltage monitoring
• Level shifting
• Window comparators
• Signal conditioning
• Over-voltage and under-voltage detection

Conclusion:

The TS391ILT from STMicroelectronics is a highly versatile and efficient voltage comparator that combines high-speed performance with low power consumption. Its wide supply voltage range, low offset voltage, and open-drain output make it an excellent choice for a broad spectrum of electronic applications, particularly in portable and battery-operated devices.