DS1816R-5/T&R

Supervisors Overview

The DS1816R-5/T&R is a single-channel voltage supervisor from the EconoReset series, manufactured by Analog Devices Inc./Maxim Integrated. It operates within a supply voltage range of up to 5.5 V and features a fixed threshold voltage of 3.06 V. The device provides an active-low reset signal with an open-drain or open-collector output configuration. It includes a minimum reset timeout of 100 ms to ensure stable power-up sequencing. The component is designed for surface-mount installation in SOT-23-3 packages and supports operation across a temperature range of -40°C to +85°C.

Supervisors Feature Summary

• Provides simple reset and power-on-reset functionality for monitored voltage rails
• Features an active-low output with open-drain or open-collector capability
• Includes a guaranteed minimum reset timeout duration for reliable system initialization

Supervisors Applications

• Monitoring microprocessor and microcontroller supply voltages
• Ensuring correct power-up sequences in embedded systems
• Providing reset signals for digital logic circuits

Supervisors Procurement Notes

Verify the specific suffix and tape-and-reel specifications when ordering to ensure compatibility with automated assembly processes. Confirm that the sourcing channel is authorized to guarantee component authenticity and traceability. Check for RoHS compliance status if environmental regulations apply to the end product. Ensure the package type matches the PCB footprint requirements before finalizing procurement.

Supervisors Selection Notes

Select this component when a fixed 3.06 V threshold is appropriate for the target system voltage. The open-drain output allows for flexible interfacing with various logic levels through external pull-up resistors. Consider the 100 ms minimum timeout requirement to ensure it aligns with the startup time of the controlled circuitry. Verify that the SOT-23-3 package size fits within the available board space constraints.

Supervisors Part Context

This part belongs to the DS1816 family of supervisory circuits, which are designed for cost-effective voltage monitoring applications. The 'R' designation typically indicates a specific tolerance or revision within the series, while the '-5' denotes the 3.06 V threshold variant. The '+T&R' suffix specifies the tape-and-reel packaging format intended for high-volume surface-mount manufacturing.

Supervisors Replacement Considerations

Direct substitutes include other variants within the DS1816 series with different threshold voltages, such as the DS1816R-20. Cross-reference pinouts and output configurations to ensure functional compatibility. Verify that alternative components meet the same operating temperature range and package dimensions.