MAX9032AUA+

Overview

The MAX9032AUA+ is a dual-channel analog comparator from the MAX9030/MAX9031/MAX9032/MAX9034 series, manufactured by Analog Devices Inc./Maxim Integrated. It operates on a single supply voltage ranging from +2.5V to +5.5V and consumes a typical supply current of 35µA per comparator across an operating temperature range of -40°C to +125°C. The device features a propagation delay of 188ns, internal hysteresis of 4mV, and rail-to-rail output swing. It is housed in an 8-pin µMAX package.

Feature Summary

• Dual-channel configuration with low-power operation suitable for portable applications
• Internal 4mV hysteresis provides noise immunity and prevents oscillations
• Rail-to-rail output swings minimize power-supply glitches during transitions
• No phase reversal occurs for overdriven inputs

Applications

• Battery-powered systems
• Portable consumer electronics
• Mobile communications devices
• Sensor signal detection circuits
• Threshold detectors and discriminators

Procurement Notes

Verify the specific ordering suffix matches the required package type, as the MAX9032 family includes SOT23 and SO variants. Confirm RoHS compliance status indicated by the plus sign. Ensure the procurement channel sources directly from authorized distributors or the manufacturer to guarantee authenticity and traceability for production use.

Selection Notes

Select this component when a dual-channel comparator is needed in a space-constrained design requiring ultra-small packaging. It is appropriate for single-supply applications where low quiescent current is critical. Consider alternative packages like SOT23 if surface-mount footprint constraints differ. Verify that the input common-mode range extending to within 1.1V of the positive supply meets system requirements.

Part Context

This part belongs to the MAX903x family of low-cost, ultra-small comparators optimized for single-supply operation. The series includes single (MAX9030/MAX9031), dual (MAX9032), and quad (MAX9034) configurations. The MAX9032 specifically offers two channels in compact 8-pin packages, balancing performance with minimal board area consumption for embedded control logic.

Replacement Considerations

Direct substitutes include other MAX9032 variants such as MAX9032AKA+ (SOT23-8) or MAX9032ASA+ (SOIC-8). Cross-referencing pinouts and electrical characteristics against the original datasheet is essential before substitution.