MAX3227EAE+

Overview

The MAX3227EAE+ is a single-driver, single-receiver RS-232 transceiver manufactured by Analog Devices Inc./Maxim Integrated. It operates on a single +3.0V to +5.5V supply and achieves a typical supply current of 1µA through AutoShutdown Plus technology. The device guarantees a data rate of 1Mbps and features ±15kV ESD protection on I/O pins. It utilizes a dual charge pump requiring four small capacitors for voltage generation. The component is housed in a 16-pin SSOP package and supports an operating temperature range from -40°C to +85°C.

Feature Summary

• AutoShutdown Plus functionality automatically reduces power consumption when the interface is idle or disconnected.
• Integrated dual charge pump generates required RS-232 voltages using minimal external capacitance.
• High data-rate capability ensures reliable communication at speeds up to 1Mbps.
• Robust input protection safeguards against electrostatic discharge events.

Applications

• Notebook, subnotebook, and palmtop computers
• Cellular phones and handheld equipment
• Battery-powered peripherals and printers

Procurement Notes

Verify the specific suffix 'E' confirms the extended industrial temperature range (-40°C to +85°C) and 'AE' denotes the SSOP-16 package configuration. Confirm RoHS compliance status via official documentation before integration. Ensure ordering specifications match the exact pinout and electrical requirements for the target design.

Selection Notes

Select this component for applications requiring low-power standby modes and high-speed serial communication over short distances. The integrated shutdown feature eliminates the need for external control logic to manage power states. Verify that the system's UART can tolerate the device's output levels during the wake-up transition period.

Part Context

This part belongs to the MAX3224–MAX3227 family of true RS-232 transceivers designed for battery-powered systems. The MAX3227 variant specifically provides one driver and one receiver with MegaBaud performance. It shares architectural similarities with the MAX3244/MAX3245 but lacks the complementary receiver outputs found in those multi-channel devices.

Replacement Considerations

The MAX3227EAE+T is the tape-and-reel version of this component. Other family members like the MAX3224EAE+ offer similar functionality but are limited to 250kbps data rates. Cross-reference pinouts carefully when substituting with older generations lacking AutoShutdown Plus.