The TL7705AT from Texas Instruments is a supply voltage supervisor that provides an essential component for microcomputer and microprocessor systems. By monitoring the supply voltage, this device ensures that the system operates reliably and protects it from unpredictable under-voltage conditions. The TL7705AT is designed to interface directly with the reset line of a microcontroller, offering a precise and stable system reset.

Key Features

• Voltage Supervision: The TL7705AT monitors the system voltage and asserts a reset signal when it drops below a predetermined threshold, ensuring the microprocessor resets correctly during power-up, power-down, and brown-out conditions.
• Programmable Reset Delay: It includes an external capacitor that allows the user to set a programmable delay time for the reset signal, providing flexibility to meet various system requirements.
• Low Power Consumption: Designed for power-sensitive applications, the device features a typical supply current of only 1.1 mA, which helps to minimize the overall power consumption of the system.
• High Precision: The TL7705AT offers a high precision reset threshold, ensuring reliable operation even in systems with tight voltage margins.
• Wide Operating Temperature: With an operating temperature range from -40°C to +85°C, the TL7705AT is suited for industrial applications and challenging environmental conditions.

Applications

The TL7705AT is versatile in its applications, making it an ideal choice for various systems that require voltage supervision. Common applications include:

• Microcomputer and microprocessor systems
• Portable and battery-operated equipment
• Industrial controls
• Automotive systems
• Data processing systems
• Alarm and monitoring systems

Product Summary

The Texas Instruments TL7705AT is a reliable and precise supply voltage supervisor, essential for maintaining the integrity of microprocessor systems against under-voltage conditions. With its programmable delay, low power consumption, and high precision, the TL7705AT is a key component in a wide range of electronic systems, offering the necessary protection and stability for sophisticated electronic architectures.