ST3222CDR Low Power 3V to 5.5V, 400kbps, RS-232 Drivers and Receivers

The ST3222CDR from STMicroelectronics is a robust RS-232 interface IC designed for communication in industrial, networking, and consumer electronics applications. This integrated circuit provides a convenient interface between a 3V to 5.5V logic level circuit and standard RS-232 serial ports commonly found in computer and communication equipment.

Key Features

• Low Power Consumption: The ST3222CDR is optimized for low power consumption, making it ideal for battery-powered and portable applications.
• Wide Voltage Range: With a supply voltage range from 3V to 5.5V, this device is highly versatile and can be used in a variety of system configurations.
• Data Rate: Capable of operating at 400kbps, the ST3222CDR provides efficient data transfer for RS-232 communication.
• Dual Driver/Receiver Pairs: This IC includes two drivers and two receivers, supporting full-duplex communication.
• ESD Protection: The device offers integrated Electrostatic Discharge (ESD) protection for its transceivers, ensuring reliability and robustness in harsh environments.
• Low Dropout Voltage: The transceivers are designed with a low dropout voltage, which enhances performance by ensuring stable operation even with low supply voltages.

Applications

The ST3222CDR is suitable for a wide range of applications that require reliable RS-232 communication. It is commonly used in:

• Portable and battery-powered devices
• Point-of-sale (POS) terminals
• Peripheral interfaces for computers
• Data communication equipment
• Industrial control systems

Availability and Packaging

The ST3222CDR is available in a compact SO-16 package, which is conducive to space-constrained applications. Its industry-standard footprint ensures compatibility with a wide range of PCB layouts and existing designs.

For designers and engineers looking for a reliable, low-power, and high-performance RS-232 interface solution, the ST3222CDR from STMicroelectronics presents an excellent choice. Its combination of features and robust protection mechanisms make it a go-to component for communication interfaces in modern electronic systems.