DS1811-10/T&R

Supervisors Overview

The DS1811R-10+T&R is a voltage monitor supervisory circuit manufactured by Analog Devices under the Maxim Integrated brand. It operates within a supply voltage range of up to 5.5 V and features an active low, open-drain output. The device monitors a single input with a threshold voltage of 4.35 V and an overvoltage threshold of 4.49 V. It includes a reset delay time of 150 ms and maintains an accuracy of 2.5%. The component functions in temperatures from -40°C to +85°C with a working power supply current of 40 uA.

Supervisors Feature Summary

• Provides power failure detection capabilities for system monitoring
• Features an open-drain output configuration for flexible interfacing
• Designed for surface mount installation in compact SOT-23-3 packages

Supervisors Applications

• Portable equipment requiring low standby current
• Battery-powered systems needing voltage supervision
• Microprocessor reset circuits

Supervisors Procurement Notes

Verify the specific suffix designation against official manufacturer documentation to confirm exact electrical characteristics and package variations. Ensure compatibility with required operating temperature ranges and supply voltage limits before integration into final designs.

Supervisors Selection Notes

Select this component when a simple, low-current voltage supervisor is required without manual reset or watchdog functionality. Consider the open-drain output requirement for pull-up resistor implementation and verify that the 150 ms reset delay meets system timing constraints.

Supervisors Part Context

This part belongs to the DS1811R series of EconoReset devices, which are designed for cost-sensitive applications. The series focuses on providing essential voltage monitoring functions in minimal footprint packages, catering to industries where space and power consumption are critical design parameters.

Supervisors FAQ

Does the DS1811R-10 include a manual reset input?

No, the device does not feature a manual reset input.

What is the output type of this voltage monitor?

The output type is active low with an open-drain configuration.