MAX3222EEUP+TG1Z

Overview

The MAX3222EEUP+TG1Z is a true 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 specific variants supporting up to 1Mbps. It incorporates an internal dual charge pump requiring only four 0.1µF capacitors. Key electrical parameters include a shutdown supply current of 1µA (typical) and enhanced ESD protection rated at ±15kV Human Body Model and ±8kV IEC Contact Discharge. It is housed in a 20-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.
• Low-power shutdown mode significantly reduces supply current while keeping receivers active for external device monitoring.

Applications

• Battery-powered portable equipment
• Cell phones and smart phones
• Notebook, subnotebook, and palmtop computers

Procurement Notes

Verify the component status as the source indicates this specific part number may be obsolete or discontinued. Confirm the exact suffix requirements for automotive qualification or specific temperature ranges if applicable to the design. Ensure the ordering information matches the required package type and lead-free compliance standards before finalizing procurement.

Selection Notes

Select this component when designing systems requiring compatibility with industry-standard MAX242/MAX232 interfaces but operating at lower voltages. Consider the 20-TSSOP package for space-constrained applications. Verify that the 250kbps data rate meets system requirements, noting that higher speeds require specific MegaBaud-capable variants within the family.

Part Context

This device belongs to the MAX3222E/MAX3232E/MAX3237E/MAX3241E/MAX3246E family of low-power RS-232 transceivers. It shares functional similarities with other members like the MAX3232E but differs in pin count and driver/receiver configuration. The EE suffix denotes the extended industrial temperature range (-40°C to +85°C).

Replacement Considerations

MAX3222EEUP+ is a direct equivalent in the same package and temperature range. MAX3222ECUP+ offers the same functionality in the commercial temperature range (0°C to +70°C). For automotive applications, verify the MAX3222EEUP/V+ variant.