DS1830AS

Supervisors Overview

The DS1830AS is a supervisory circuit manufactured by Analog Devices Inc. / Maxim Integrated, designed as a voltage sequencer with manual reset capabilities. It features two monitored inputs and provides an active low, open-drain output. The device operates within a supply voltage range up to 5.5 V and includes power failure detection functionality. Key electrical parameters include a threshold voltage of 3.3 V, a reset delay time of 75 ms, and an overvoltage threshold of 3.15 V. The component exhibits an accuracy of 20% and draws a typical operating supply current of 25 uA. It is housed in an SOIC-8 package and supports surface mount installation.

Supervisors Feature Summary

• Provides dual input monitoring for system voltage supervision
• Features manual reset capability via pushbutton interface
• Includes integrated power failure detection mechanism
• Delivers active low open-drain reset signal output

Supervisors Applications

• Embedded system power management supervision
• Microcontroller reset sequence generation
• Voltage level monitoring in portable electronics
• Industrial control board power sequencing

Supervisors Procurement Notes

Verify the exact suffix designation when ordering, as variations such as +T&R indicate specific packaging configurations like tape and reel. Confirm RoHS compliance status through official documentation prior to integration. Check current availability constraints, as certain variants may be subject to limited supply or discontinuation notices from the manufacturer. Ensure the selected package matches the intended PCB footprint requirements.

Supervisors Selection Notes

Select this component when a dual-input voltage supervisor with manual reset is required for systems operating near 3.3 V logic levels. Consider the 75 ms reset delay duration to ensure compatibility with target microcontroller startup times. Evaluate the 20% accuracy specification against system tolerance requirements. Verify that the open-drain output architecture aligns with the downstream circuit pull-up configuration needs.

Supervisors Part Context

The DS1830AS belongs to the DS1830AS series of supervisory circuits produced by Analog Devices Inc. / Maxim Integrated. This family focuses on providing reliable voltage monitoring and reset generation for digital systems. The device serves as a critical component for ensuring stable operation during power-up and power-down sequences in various electronic applications.

Supervisors Replacement Considerations

Consult official cross-reference lists for direct substitutes. Verify pinout compatibility and electrical parameter alignment before substitution. Review datasheet updates for any functional differences between original and replacement parts.