The MAX3238CDBRG4 is a highly integrated serial port transceiver from Texas Instruments, designed to facilitate communication between a digital device and a serial port. This advanced IC is part of the MAX3238 family and is specifically engineered to operate with very low power consumption while maintaining optimal performance in serial data communication applications.

Key Features

• Supply Voltage Range: The device operates over a wide 3.0V to 5.5V supply voltage range, making it versatile for various system power requirements.
• Low-Power Operation: With a supply current of just 1µA in shutdown mode, the MAX3238CDBRG4 is optimized for battery-powered and power-sensitive applications.
• High Data Rate: It supports data rates up to 250 kbps, allowing for high-speed data transmission while maintaining signal integrity.
• Electrostatic Discharge (ESD) Protection: The device features built-in ESD protection up to ±15kV using the IEC 61000-4-2 Air-Gap Discharge method, ensuring robustness and reliability in harsh environments.
• Integrated Charge Pump: The onboard charge pump circuitry generates the necessary RS-232 voltage levels (+/- 5.5V) from a single supply, simplifying the design and reducing external component count.
• Auto-Powerdown Feature: This feature automatically enters a low-power shutdown mode when the serial port is inactive, contributing to power savings.

Applications

The MAX3238CDBRG4 is suitable for a wide range of applications where reliable serial communication is essential. It is commonly used in portable or battery-powered devices such as:

• Notebook and laptop computers
• PDAs and handheld equipment
• GPS receivers
• Cellular phones and accessories
• Medical and industrial instruments

Package and Quality

The MAX3238CDBRG4 is offered in a compact 28-pin SSOP (DB) package, which is ideal for space-constrained applications. Texas Instruments is known for its commitment to quality, and this product is no exception. It is designed to meet or exceed the stringent requirements of the industrial and automotive industries, ensuring reliable performance across a range of conditions.