DS1834AS/T&R

Supervisors Overview

The DS1834AS/T&R is a dual-channel voltage monitor manufactured by Analog Devices Inc. under the Maxim Integrated brand, designed for surface-mount applications in SOIC-8 packages. It features active low open-drain outputs and manual reset functionality without watchdog timers or battery backup switches. The device monitors two input channels with threshold voltages of 3.3 V and 5 V, offering a reset delay time of 350 ms and power failure detection capabilities. Operating within a supply voltage range up to 5.5 V and an accuracy of 2.5%, it functions reliably across temperatures from -40°C to +85°C while consuming 50 uA.

Supervisors Feature Summary

• Dual-channel voltage monitoring with fixed thresholds at 3.3 V and 5 V
• Active low open-drain output configuration for system control
• Manual reset capability with integrated power failure detection

Supervisors Applications

• Embedded systems requiring dual power rail supervision
• Industrial control units needing voltage sequence verification
• Consumer electronics with strict power integrity requirements

Supervisors Procurement Notes

Verify component authenticity through authorized distributors due to limited availability status. Confirm package integrity upon receipt as surface-mount devices are sensitive to handling. Check datasheet revisions for any updates regarding electrical characteristics or pinout configurations before integration into final designs.

Supervisors Selection Notes

Select this component when dual independent voltage rails require simultaneous supervision with defined trip points. Consider the 350 ms reset delay duration against system startup timing requirements. Evaluate the 50 uA quiescent current impact on overall power budget constraints compared to alternative supervisory solutions.

Supervisors Part Context

Part of the MicroMonitor family focusing on multi-supply support circuits. Designed for environments requiring reliable voltage tracking without complex digital interfaces. Complements other Maxim Integrated PMIC offerings by providing dedicated analog supervision for critical power lines.

Supervisors Replacement Considerations

DS1834AS+T&R serves as a direct equivalent variant within the same series. Verify pin compatibility and threshold specifications match existing design parameters before substitution.