Texas Instruments

SN65C3222DBR  

Drivers, Receivers, Transceivers

SN65C3222DBR Description

The SN65C3222DBR is a high-performance, full-duplex transceiver designed for RS232 communication applications. Manufactured by Texas Instruments, this interface IC chip is housed in a 20-pin SSOP package and is suitable for surface mount applications. The SN65C3222DBR features two drivers and two receivers, making it ideal for bidirectional data transmission at a data rate of up to 1 Mbps. With a supply voltage range of 3V to 5.5V, this transceiver is versatile and can operate efficiently across a wide range of power supplies.

SN65C3222DBR Features

• Full-Duplex Communication: The SN65C3222DBR supports full-duplex communication, allowing simultaneous data transmission and reception, which is crucial for efficient data handling in RS232 applications.
• Receiver Hysteresis: The receiver incorporates a hysteresis of 300 mV, which enhances noise immunity and ensures reliable data transmission even in noisy environments.
• Wide Supply Voltage Range: The transceiver operates within a supply voltage range of 3V to 5.5V, providing flexibility in power supply requirements and compatibility with various systems.
• Compliance and Safety: The SN65C3222DBR is REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental and safety standards. It is also classified under HTSUS code 8542.39.0001.
• Moisture Sensitivity Level: With an MSL rating of 1 (unlimited), the SN65C3222DBR is suitable for a wide range of manufacturing processes without the need for special handling to prevent moisture damage.
• Packaging: The device is available in a tape and reel (TR) package, facilitating efficient handling and assembly in automated manufacturing processes.

SN65C3222DBR Applications

The SN65C3222DBR is ideal for a variety of applications that require reliable RS232 communication. Some specific use cases include:

• Industrial Automation: In industrial settings where robust and reliable communication between devices is essential, the SN65C3222DBR ensures efficient data transmission and reception.
• Telecommunications: For applications in the telecommunications industry, the full-duplex capability and high data rate of the SN65C3222DBR make it suitable for managing data traffic between different nodes.
• Computer Peripherals: The transceiver can be used in computer peripherals such as modems, printers, and other devices that require RS232 communication.
• Medical Equipment: In medical devices that require precise and reliable data transmission, the SN65C3222DBR’s noise immunity and performance make it a suitable choice.

Conclusion of SN65C3222DBR

The SN65C3222DBR from Texas Instruments is a versatile and reliable transceiver designed for RS232 communication. Its full-duplex capability, wide supply voltage range, and high receiver hysteresis make it an excellent choice for applications requiring robust and efficient data transmission. The device’s compliance with environmental and safety standards, along with its moisture sensitivity level, ensures it is suitable for a wide range of manufacturing and operational environments. Whether used in industrial automation, telecommunications, computer peripherals, or medical equipment, the SN65C3222DBR offers a high-performance solution for RS232 communication needs.

SN65C3222DBR Documents

Download datasheets and manufacturer documentation for SN65C3222DBR

Datasheets :

SN65/75C3222      

PCN Obsolescence/ EOL :

Mult Dev EOL 28/Mar/2023      

HTML Datasheet :

SN65/75C3222