GD75232DBR

Overview

The GD75232DBR is a full-duplex RS-232 transceiver manufactured by Texas Instruments, designed for data communication applications. It integrates three drivers and five receivers within a single integrated circuit. The device operates with a supply voltage range of 4.5V to 5.5V and supports a maximum data rate of 120Kbps. It features a receiver hysteresis of 500mV to improve noise immunity. The component is housed in a 20-pin SSOP package with a width of 5.30mm. It functions within an operating temperature range of 0°C to 70°C and complies with RoHS3 standards.

Feature Summary

• Integrates three independent drivers and five independent receivers for comprehensive RS-232 signal management.
• Provides enhanced noise rejection through a 500mV receiver input hysteresis characteristic.
• Supports standard RS-232 protocol operation at data rates up to 120Kbps.

Applications

• Industrial control systems requiring reliable serial communication interfaces.
• Embedded systems utilizing microcontrollers for RS-232 data transmission.
• Test and measurement equipment needing robust signal transceiving capabilities.

Procurement Notes

Verify the specific package variant, as the GD75232 series includes different footprints such as SOIC and TSSOP. Confirm that the 20-SSOP form factor matches the target PCB layout requirements. Ensure the design accommodates the required decoupling capacitors for stable 5V operation. Check for any recent product change notices regarding material composition or manufacturing location updates.

Selection Notes

Select this component when a full-duplex solution with multiple receive channels is necessary. The 3-driver/5-receiver configuration offers flexibility for complex bus topologies. Consider the 120Kbps speed limit against higher-speed alternatives if data throughput requirements exceed this threshold. The SSOP package is suitable for space-constrained surface-mount designs compared to larger DIP options.

Part Context

This part belongs to the GD series of RS-232 transceivers from Texas Instruments. It shares functional similarities with other members like the GD75232DWR, which utilizes a SOIC-20 package instead of SSOP. The series is characterized by its ability to interface directly with TTL/CMOS logic levels while generating the necessary RS-232 voltage swings for external equipment connection.

Replacement Considerations

The SN752232DGGR serves as a functional equivalent within the same family but utilizes a 48-TSSOP package. Designers must account for significant pinout and footprint differences when substituting components. Verify electrical compatibility and thermal performance before implementing any cross-package replacements.