ADM1232ARN-REEL7

Supervisors Overview

The ADM1232ARN-REEL7 is a microprocessor supervisory circuit manufactured by Analog Devices Inc. It monitors supply voltage and detects processor lockups without requiring external components. The device features adjustable precision voltage monitoring with options for 4.5 V and 4.75 V thresholds, alongside an adjustable strobe monitor offering 150 ms, 600 ms, or 1.2 sec delays. It operates within a temperature range of -40°C to +85°C and utilizes an 8-SOIC package.

Supervisors Feature Summary

• Pin-compatible with MAX1232 and Dallas DS1232
• Adjustable precision voltage monitor
• Configurable watchdog timer delay
• No external components required

Supervisors Applications

• Microprocessor supply voltage monitoring
• Processor lockup detection
• External interrupt monitoring

Supervisors Procurement Notes

Verify the specific suffix configuration against official datasheets to ensure correct threshold and delay settings. Confirm RoHS compliance status as indicated in current documentation. Check availability constraints as this part may have limited distribution channels compared to standard inventory items.

Supervisors Selection Notes

Select this component when pin compatibility with legacy MAX1232 or DS1232 designs is required. Ensure the available voltage thresholds (4.5 V or 4.75 V) align with the target system supply rails. Verify that the selectable watchdog delays meet the application's timing requirements for fault recovery.

Supervisors Part Context

This component belongs to the ADM1232 series of microprocessor supervisors. It serves as a direct replacement for older generation monitoring circuits while providing configurable parameters. The series is designed for industrial and commercial applications requiring reliable power management and system reset control.

Supervisors Replacement Considerations

ADM1232ARMZ is listed as a direct substitute.