DS1811R-5+T&R

Supervisors Overview

The DS1811R-5+T&R is a voltage monitor supervisory circuit manufactured by Analog Devices Inc. under the Maxim Integrated brand. It operates within a supply voltage range of up to 5.5 V and features a single monitored input with a threshold voltage of 4.35 V. The device provides an active low, open-drain output and includes a reset delay time of 150 ms. It functions without manual reset or watchdog timer capabilities. The component maintains an accuracy of 2.5% and draws a working power supply current of 40 uA. It supports overvoltage detection at a threshold of 4.49 V and operates across a temperature range from -40 C to +85 C.

Supervisors Feature Summary

• Provides automatic system reset supervision via an open-drain output when supply voltage drops below the specified threshold.
• Integrates power-fail detection capability to identify abnormal voltage conditions.

Supervisors Applications

• Embedded systems requiring reliable voltage monitoring
• Microprocessor-based designs needing automated reset generation
• Portable electronics utilizing battery-powered architectures

Supervisors Procurement Notes

Verify the specific suffix designation against official manufacturer documentation to confirm exact electrical characteristics and package configuration. Ensure compatibility with existing board layouts and thermal requirements before procurement. Confirm availability status through authorized distribution channels as supply constraints may apply.

Supervisors Selection Notes

Select this component for applications requiring a simple, low-power voltage supervisor with an open-drain interface. Consider the fixed threshold voltage and reset delay timing against system requirements. Evaluate the operating temperature range and supply current consumption relative to environmental conditions and power budget constraints.

Supervisors Part Context

This part belongs to the DS1811R series of EconoReset voltage monitors. These devices are designed to provide cost-effective supervision for digital circuits. The series typically offers various threshold options and packaging configurations to suit different design needs while maintaining consistent functional performance standards.

Supervisors Replacement Considerations

Consult official substitution guides for verified alternatives. Cross-reference parameters such as threshold voltage, output type, and package dimensions to ensure functional equivalence in existing designs.