LTC1326CS8#TRPBF

Supervisors Overview

The LTC1326CS8#TRPBF is a microprocessor supervisory circuit manufactured by Analog Devices Inc. It features three independent voltage monitor inputs with threshold options of 3.3 V, 5 V, or adjustable settings. The device provides active high, active low, and open drain output types to accommodate various system logic requirements. It operates within a supply voltage range of 1 V to 7 V and includes a fixed reset delay time of 200 ms. The component supports power-fail detection and chip enable functionality while consuming only 40 uA of operating current. It is housed in an MSOP-8 surface-mount package and maintains an accuracy of 0.75% across the commercial temperature range of 0°C to +70°C.

Supervisors Feature Summary

• Monitors up to three distinct input voltages simultaneously for comprehensive system supervision
• Offers flexible output configurations including active high, active low, and open drain signals
• Integrates power-fail detection capability to identify abnormal supply conditions
• Features a chip enable pin for controlled operation and reduced power consumption

Supervisors Applications

• Microprocessor system reset generation
• Battery-powered equipment voltage monitoring
• Industrial control board supervision
• Portable device power management

Supervisors Procurement Notes

Verify the specific suffix configuration against official Analog Devices documentation to ensure correct threshold selection and output polarity. Confirm that the MSOP-8 package dimensions match your PCB footprint design. Check for any recent product change notices regarding manufacturing site transitions or material updates. Ensure compatibility with your system's voltage levels before finalizing procurement specifications.

Supervisors Selection Notes

Select this component when multiple voltage rails require simultaneous monitoring within a compact form factor. The adjustable threshold option provides flexibility for non-standard voltage levels. Consider the 40 uA quiescent current for battery-sensitive designs. Verify that the 200 ms reset delay aligns with your processor startup timing requirements. Ensure the operating temperature range meets your environmental specifications.

Supervisors Part Context

This part belongs to the LTC1326 series of supervisory circuits designed for reliable system monitoring. It complements other Analog Devices PMIC solutions by providing precise voltage tracking without complex external components. The series is engineered for applications requiring robust reset generation and power-fail indication in space-constrained environments.

Supervisors FAQ

What are the available threshold voltage options for the monitors?

The LTC1326CS8#TRPBF supports fixed thresholds of 3.3 V and 5 V, as well as an adjustable threshold option for custom voltage levels.

Does the device include a manual reset function?

No, the LTC1326CS8#TRPBF does not feature a manual reset input; it relies on automatic voltage monitoring and power-fail detection.