MAX233ACWP-T

Overview

The MAX233ACWP-T is a dual driver/receiver RS-232 transceiver from the MAX220–MAX249 family, manufactured by Analog Devices/Maxim Integrated. It operates on a single +5V supply (4.5V to 5.5V) and features integrated charge-pump circuitry that eliminates the need for external bipolar ±12V supplies or discrete capacitors. The device provides full duplex communication with a data rate of up to 120kbps. It includes a shutdown mode that reduces power dissipation to less than 5µW. The component is housed in a 16-pin Wide SOIC package and supports an operating temperature range of 0°C to +70°C.

Feature Summary

• Integrated charge pump circuitry enables single-supply operation without requiring external bipolar voltage sources.
• Built-in internal capacitors eliminate the need for discrete external components, significantly reducing printed circuit board space requirements.
• Low-power shutdown mode minimizes energy consumption for battery-powered applications.

Applications

• Interface translation between TTL/CMOS logic levels and RS-232 standards
• Multidrop RS-232 networks
• Portable diagnostics equipment

Procurement Notes

Verify the specific suffix 'T' indicates tape-and-reel packaging when sourcing this part number. Confirm the 'AC' designation aligns with the required commercial temperature range of 0°C to +70°C for your application environment. Ensure compatibility with the 16-pin Wide SOIC footprint during PCB layout verification.

Selection Notes

Select this component when minimizing board space is critical due to its integrated capacitor design. It is suitable for systems restricted to a single +5V power rail where generating ±12V is impractical. Consider the 120kbps data rate limit and the commercial temperature range when evaluating against higher-speed or industrial-grade alternatives.

Part Context

This device belongs to the MAX220–MAX249 family of +5V-powered multichannel RS-232 drivers and receivers. The family offers various channel configurations and packages to address different interface needs while maintaining the benefit of single-supply operation and reduced component count.

Replacement Considerations

Compatible substitutes within the same family include the MAX232A and MAX233E. Verify pinout compatibility and ensure the replacement meets the specific voltage and temperature requirements of the target system.

FAQ

Does the MAX233ACWP-T require external capacitors?

No, the MAX233 integrates the necessary capacitors internally, eliminating the need for external discrete components.

What is the maximum data rate supported by this device?

The device supports a maximum data rate of 120kbps under normal operating conditions.

How does the shutdown feature affect power consumption?

In shutdown mode, the device reduces power dissipation to less than 5µW, making it ideal for battery-powered systems.