MAX3225CAP

Overview

The MAX3225CAP is a dual RS-232 transceiver manufactured by Analog Devices Inc./Maxim Integrated, designed for full-duplex communication. It operates within a supply voltage range of 3V to 5.5V and supports data rates up to 1Mbps. The device integrates two drivers and two receivers in a single package. Key electrical specifications include a maximum supply voltage of 5.5V and a minimum of 3V. It features ESD protection rated at 15kV and utilizes an SSOP-20 surface-mount package.

Feature Summary

• Integrates dual drivers and receivers for full-duplex RS-232 communication
• Provides 15kV ESD protection on all RS-232 lines
• Operates with a single 3V to 5.5V power supply
• Supports data transmission rates up to 1Mbps

Applications

• Industrial control systems requiring robust serial communication
• Portable equipment utilizing battery-powered operation
• Modems and fax machines
• Handheld terminals and POS systems

Procurement Notes

Verify the specific suffix 'CAP' against the manufacturer's official datasheet to confirm the exact package type and temperature grade. Ensure compatibility with existing PCB footprints for the SSOP-20 configuration. Confirm availability status as discontinued or active through authorized distributors before finalizing procurement plans.

Selection Notes

Select this component when a dual-channel RS-232 interface is required with high ESD immunity. It is suitable for applications needing operation from a single low-voltage supply without generating negative voltages externally. Consider the SSOP-20 package constraints regarding board space and thermal dissipation compared to larger DIP packages.

Part Context

This part belongs to the MAX3225 family of RS-232 transceivers known for their low-power consumption and ease of use. The MAX3225 series typically includes variants with different driver/receiver counts and shutdown capabilities. The MAX3225 specifically denotes the dual-driver/dual-receiver configuration within this product line.

Replacement Considerations

Direct pin-to-pin replacements may include other MAX3225 variants such as MAX3225ECPA or MAX3225CPP+ if package differences are acceptable. Verify that substitute components maintain the same 1Mbps data rate and 15kV ESD protection levels.