ADM1816-20ART-REEL

Supervisors Overview

The ADM1816-20ART-REEL is a voltage supervisory circuit manufactured by Analog Devices Inc., designed to monitor a single input voltage line. It operates within a maximum supply voltage of 5.5 V and features a fixed threshold voltage of 2.55 V, ensuring accurate detection of power supply levels. The device provides a reset signal with a typical delay time of 250 ms, allowing sufficient time for power rails to stabilize before asserting the reset state. Packaged in a compact SC-70-3 (SOT-23-3) surface-mount format, it supports both open-drain and push-pull output configurations. The component is rated for an operating temperature range of -40°C to +85°C, making it suitable for industrial applications requiring reliable power management.

Supervisors Feature Summary

• Monitors a single voltage input channel to detect under-voltage conditions
• Generates a system reset signal upon power-up or voltage drop below threshold
• Offers flexible output drive options including open-drain and push-pull modes
• Provides a standardized reset delay to accommodate power supply ramp-up times

Supervisors Applications

• Microprocessor and microcontroller power supply supervision
• Battery-powered systems requiring low-voltage detection
• Industrial control boards needing reliable reset generation
• Embedded systems with strict power sequencing requirements

Supervisors Procurement Notes

Verify the specific suffix 'ART' corresponds to the required tape-and-reel packaging configuration and ensure compatibility with automated assembly processes. Confirm that the 2.55 V threshold aligns precisely with the target system's minimum operating voltage. Check for RoHS compliance status and lead time constraints due to potential limited availability. Validate that the SC-70-3 footprint matches the PCB design specifications before finalizing procurement orders.

Supervisors Selection Notes

Select this component when a fixed 2.55 V threshold is required for monitoring 3.3 V or 5 V logic supplies. Consider the 250 ms reset delay to ensure stable operation during power transitions. Evaluate the SC-70-3 package size against board space limitations. Compare performance against other ADM1816 variants if different thresholds or output types are needed. Ensure the operating temperature range meets the environmental requirements of the intended application.

Supervisors Part Context

The ADM1816 series belongs to Analog Devices' EconoReset family of simple reset supervisors. These devices are designed for cost-sensitive applications where basic power monitoring is sufficient without complex watchdog or manual reset functions. The ADM1816-20ART-REEL variant specifically utilizes the ART suffix to denote reel packaging, facilitating high-volume manufacturing integration. It complements other parts in the series like the ADM1816-5ART-REEL, which offers different threshold voltages for varied supply rail monitoring needs.

Supervisors Replacement Considerations

Cross-reference with ADM1816-20ARTZ-RL7 for alternative packaging options. Verify functional equivalence with DS1816R-5+T&R regarding threshold accuracy and reset timing. Ensure pinout compatibility when substituting with similar SOT-23-3 supervisor ICs from other manufacturers.