Overview of Texas Instruments TL7702ACDRG4

The TL7702ACDRG4 is a supervisory circuit device from Texas Instruments, designed to provide power-on reset control for microprocessor systems. It is an integral component for ensuring reliable operation and system stability in a wide range of electronic applications. The TL7702ACDRG4 monitors the supply voltage of a microprocessor (µP) or digital system and initiates a reset if this voltage drops below a predetermined value, ensuring that the system restarts in a known state.

Key Features

• Supply Voltage Monitoring: This device is capable of monitoring 4.55 V fixed supply-voltage thresholds, making it suitable for 5 V powered systems.
• Power-On Reset Generator: The automatic reset generation on power-up ensures that the system's microprocessor starts up in a controlled manner every time.
• Low Supply Current: With a typical supply current of 1.1 mA, the TL7702ACDRG4 is energy-efficient, which is critical for battery-operated and power-conscious applications.
• High Precision: It offers a high precision over the entire temperature range, which is essential for reliable system operation.
• Adjustable Reset Delay Time: The device provides an option to adjust the reset delay time by connecting an external capacitor, which allows for customization based on specific system requirements.

Applications

The TL7702ACDRG4 supervisory circuit is versatile and can be used in a variety of applications such as:

• Microcomputer, microprocessor, or microcontroller systems
• Intelligent instruments
• Portable/Battery-powered equipment
• Industrial controls
• Automotive systems

Product Specifications

This device comes in an 8-pin SOIC package and is characterized for operation from 0°C to 70°C. It is designed to directly interface with the reset line of a microprocessor and can be used with other devices that require a reset signal. The TL7702ACDRG4 is part of Texas Instruments' family of voltage supervisor devices, which are known for their reliability and industry-leading performance.

With its robust feature set, the TL7702ACDRG4 from Texas Instruments is an excellent choice for designers looking to enhance system reliability through effective voltage monitoring and reset control.