MAX3222ECUP+G071

Overview

The MAX3222ECUP+G071 is a dual RS-232 transceiver manufactured by Analog Devices Inc. (Maxim Integrated). It operates on a single +3.0V to +5.5V supply and features two drivers and two receivers for full-duplex communication. The device guarantees data rates up to 250kbps with worst-case loads of 3kΩ in parallel with 1000pF. It incorporates an internal dual charge pump requiring only four 0.1μF capacitors. ESD protection is rated at ±15kV (Human Body Model) and ±8kV (IEC Contact Discharge). The component includes a shutdown mode reducing supply current to less than 1μA. It is housed in a 20-pin TSSOP package.

Feature Summary

• Integrated dual charge pump enables true RS-232 performance from a single low-voltage supply without external inductors.
• Enhanced electrostatic discharge protection safeguards transmitter outputs and receiver inputs against high-voltage static events.
• Ultra-low power shutdown mode maintains active receiver monitoring while minimizing system energy consumption.
• Pin, package, and functional compatibility with industry-standard MAX242 devices simplifies design upgrades.

Applications

• Battery-powered portable equipment
• Cell phone and smartphone data cables
• Notebook and subnotebook computers

Procurement Notes

Verify the specific suffix G071 against official manufacturer documentation to confirm tape-and-reel packaging details. Confirm lead-free status and RoHS compliance through the datasheet or authorized distributor declarations. Ensure the ordering information matches the exact temperature range and package variant required for the target application.

Selection Notes

Select this component when designing systems requiring compatibility with legacy MAX242 interfaces but needing lower voltage operation. Verify that the 250kbps data rate meets the application requirements, as higher speeds require different device families. Ensure the circuit layout accommodates the four small external capacitors necessary for the internal charge pump operation.

Part Context

This part belongs to the MAX3222E family of True RS-232 Transceivers. It shares core architecture with the MAX3232E, differing primarily in pinout compatibility with older standards. The EE suffix indicates an extended industrial temperature range, while EC denotes commercial range. The U specifies the TSSOP package type.

Replacement Considerations

MAX3222EEUP+ is a direct equivalent within the same series offering identical functionality and pinout. MAX3222ECUP+ serves as a commercial-grade alternative if the extended temperature range is not required. Both maintain compatibility with the MAX242 standard.