DS1831AS/T&R

Supervisors Overview

The DS1831AS/T&R is a MicroMonitor™ supervisory circuit manufactured by Analog Devices Inc./Maxim Integrated. It functions as a multi-supply voltage monitor with four independent channels housed in a 16-SOIC surface-mount package. The device provides open-drain or open-collector active-low reset outputs to manage power system integrity. It supports monitored voltage thresholds of 3.3V, 5V, and adjustable levels. Reset timeout delays are configurable at minimum values of 10ms, 100ms, and 1,000ms. The component operates within a temperature range of -40°C to +85°C and complies with RoHS3 standards.

Supervisors Feature Summary

• Provides simultaneous monitoring of multiple power supply rails for system stability
• Features configurable reset timeout delays to accommodate various startup requirements
• Delivers active-low reset signals via open-drain or open-collector outputs

Supervisors Applications

• Multi-rail power supply supervision in embedded systems
• Voltage threshold monitoring for industrial control units
• System reset management in telecommunications equipment

Supervisors Procurement Notes

Verify the specific suffix designation against official manufacturer documentation to confirm exact threshold configurations and delay settings. Ensure the procurement source provides valid RoHS3 compliance certificates. Confirm that the reel packaging matches the required quantity specifications for the production line. Cross-reference the part number with the latest datasheet revision to ensure compatibility with current design standards.

Supervisors Selection Notes

Select this component when designing systems requiring independent supervision of four distinct voltage domains. The adjustable threshold capability allows adaptation to non-standard rail voltages. Verify that the open-drain output configuration aligns with the downstream logic interface requirements. Consider the thermal operating range to ensure reliability in the intended environmental conditions without additional cooling measures.

Supervisors Part Context

This device belongs to the MicroMonitor™ family of supervisory circuits designed for robust power management. It complements other Maxim Integrated components by offering multi-channel oversight where single-channel monitors are insufficient. The SOIC-16 package facilitates integration into dense printed circuit board layouts common in modern electronic assemblies.

Supervisors Replacement Considerations

Consult official substitution guides for equivalent multi-channel supervisors from the same manufacturer family. Verify pinout compatibility before replacing with variants such as the DS1831BS series. Ensure that any substitute maintains the same reset polarity and output drive characteristics.