LTC690IN8#PBF

Supervisors Overview

The LTC690IN8#PBF is a microprocessor supervisory circuit manufactured by Analog Devices Inc. It provides complete power supply monitoring and battery control functions for microprocessor reset, battery backup, CMOS RAM write protection, power failure warning, and watchdog timing. The device features a precise internal voltage reference and comparator circuit to monitor the power supply line. When an out-of-tolerance condition occurs, the reset output activates. It operates with a single supply voltage and includes a watchdog timer function.

Supervisors Feature Summary

• Provides microprocessor reset, battery backup, and CMOS RAM write protection
• Includes a watchdog timer function for system reliability
• Features a precise internal voltage reference and comparator circuit
• Monitors power supply lines for out-of-tolerance conditions

Supervisors Applications

• Microprocessor reset circuits
• Battery backup systems
• CMOS RAM write protection
• Power failure warning systems
• Watchdog timer applications

Supervisors Procurement Notes

Verify the specific package type and pinout configuration against your schematic before procurement. Confirm the operating temperature range requirements match your application environment. Check for any recent product change notifications or lifecycle status updates from Analog Devices. Ensure compatibility with your system's voltage levels and reset timing requirements.

Supervisors Selection Notes

Select this component when comprehensive power supply monitoring and reset functionality are required in a compact package. Consider the internal voltage reference accuracy and reset timeout characteristics for your specific microprocessor needs. Evaluate the watchdog timer capabilities if system reliability is critical. Compare with other members of the LTC690 family for alternative threshold voltages or package options.

Supervisors Part Context

The LTC690IN8#PBF belongs to the LTC690 family of microprocessor supervisory circuits from Analog Devices. This family includes variants like LTC691, LTC694, and LTC695, offering various monitoring functions. The IN8 suffix indicates an 8-pin SOIC package. These devices are designed for reliable operation in embedded systems requiring robust power management and reset control.

Supervisors FAQ

What is the primary function of the LTC690IN8#PBF?

It serves as a microprocessor supervisory circuit providing power supply monitoring, reset generation, battery backup control, and watchdog timer functions.

How does the LTC690IN8#PBF detect power supply issues?

It uses a precise internal voltage reference and comparator circuit to continuously monitor the power supply line and activate the reset output when out-of-tolerance conditions occur.