MAX703CSA+

Supervisors Overview

The MAX703CSA+ is a low-cost microprocessor supervisory circuit manufactured by Analog Devices Inc. under the Maxim Integrated brand. It operates within a supply voltage range of 1 V to 5.5 V and features a fixed threshold voltage of 4.65 V for monitoring power rails. The device provides an active-low, push-pull reset output with a typical reset delay time of 200 ms. It includes manual reset functionality and a battery backup switch for maintaining data integrity during power transitions. The component is housed in an 8-pin SOIC package and supports surface-mount installation.

Supervisors Feature Summary

• Provides reliable system reset generation when monitored voltage drops below the specified threshold level
• Includes manual reset input allowing external control over the reset state independent of power conditions
• Features battery backup switch capability to preserve critical data during main power loss events

Supervisors Applications

• Microprocessor system supervision in embedded controllers
• Power management circuits requiring voltage threshold monitoring
• Data retention systems utilizing battery backup switching

Supervisors Procurement Notes

Verify the specific suffix CSA indicates the SOIC-8 package variant. Confirm RoHS compliance status through official manufacturer documentation. Check current availability as distribution channels may report limited stock or discontinuation notices. Ensure the operating temperature range meets application requirements.

Supervisors Selection Notes

Select this component when a fixed 4.65 V threshold is required for standard logic supply monitoring. Consider the manual reset feature if external reset control is necessary. Evaluate the battery backup function for applications needing data preservation during power interruptions. Compare against other MAX703 variants for different threshold voltages or packages.

Supervisors Part Context

This part belongs to the MAX703 series of supervisory circuits designed for cost-sensitive applications. It complements other Maxim Integrated power management solutions by providing essential reset generation and monitoring functions. The series offers various threshold options and package types to suit diverse design constraints.

Supervisors Replacement Considerations

Consult official substitution guides for equivalent parts with matching thresholds and packages. Verify pin compatibility and electrical characteristics before replacing.