MAX232DWR

Overview

The MAX232DWR is a dual RS-232 driver and receiver integrated circuit manufactured by Texas Instruments. It operates within a power supply voltage range of 4.5V to 5.5V, supporting data rates up to 120Kbps. The device features two drivers and two receivers configured for full duplex communication. It is housed in a 16-SOIC surface-mount package with a width of 3.90mm. The operational temperature range extends from 0°C to +70°C. Key electrical characteristics include a receiver hysteresis of 500mV.

Feature Summary

• Dual channel transceiver architecture providing independent driver and receiver paths for serial communication.
• Integrated charge pump circuitry eliminates the need for external bipolar power supplies.
• Built-in ESD protection mechanisms ensure signal integrity during electrostatic discharge events.

Applications

• Industrial control systems requiring reliable serial data transmission.
• Modem interfacing for data communication equipment.
• Point-of-sale terminals utilizing RS-232 connectivity standards.

Procurement Notes

Verify the specific suffix 'DWR' against the manufacturer's current datasheet to confirm the tape-and-reel packaging configuration and pinout compatibility. Ensure the component meets RoHS compliance requirements for your target assembly process. Cross-reference the ordering information with authorized distributors to validate authenticity and traceability before procurement.

Selection Notes

Select this component when a dual-channel RS-232 interface is required for 5V logic systems. It is suitable for applications needing full-duplex communication at speeds up to 120Kbps. Consider the 16-SOIC package constraints for PCB layout. Verify that the operating temperature range of 0°C to +70°C aligns with the environmental conditions of the final product deployment.

Part Context

The MAX232 series represents a foundational family of line drivers and receivers designed for EIA/TIA-232-F standard communications. The MAX232DWR variant specifically denotes the industrial-grade version in a reel-packaged SOIC-16 form factor. This part serves as a direct interface between microprocessors operating at TTL/CMOS levels and standard RS-232 ports found on computers and peripherals.

Replacement Considerations

MAX232ESE+ is listed as an upgrade alternative. Verify pin-to-pin compatibility and electrical specifications before substitution. Other generic replacements may exist but require careful validation of voltage ranges and data rate capabilities.