STMicroelectronics

ST75185CPR

ST75185CPR Description

The ST75185CPR is a full-duplex transceiver designed by STMicroelectronics, featuring three drivers and five receivers. This integrated circuit (IC) is specifically engineered for RS232 communication protocols and operates within a supply voltage range of 4.5V to 5.5V. The transceiver supports a data rate of 120Kbps, making it suitable for moderate-speed serial communication applications. It is housed in a 20-pin SSOP (Shrink Small Outline Package) and is available in a Tape & Reel (TR) packaging format, facilitating efficient surface mount assembly processes.

The ST75185CPR operates within a temperature range of 0°C to 70°C, ensuring reliable performance in standard industrial environments. It features a receiver hysteresis of 500 mV, which enhances noise immunity and ensures robust signal integrity. The product is classified under ECCN EAR99 and HTSUS 8542.39.0001, indicating compliance with international export regulations. Additionally, it is REACH unaffected, ensuring compliance with European chemical regulations.

ST75185CPR Features

• Full-Duplex Communication: The ST75185CPR supports full-duplex communication, enabling simultaneous data transmission and reception, which is essential for applications requiring continuous data flow.
• High Receiver Hysteresis: With a receiver hysteresis of 500 mV, the transceiver offers improved noise immunity, making it suitable for environments with significant electrical noise.
• Wide Supply Voltage Range: The transceiver operates within a supply voltage range of 4.5V to 5.5V, providing flexibility and compatibility with various power supply configurations.
• Moderate Data Rate: The 120Kbps data rate ensures efficient data transfer for applications that do not require high-speed communication but benefit from reliable and stable data transmission.
• Surface Mount Compatibility: The 20SSOP package and surface mount mounting type facilitate easy integration into modern printed circuit board (PCB) designs, enhancing manufacturing efficiency and reliability.
• Compliance and Safety: The ST75185CPR is REACH unaffected and adheres to international export regulations (ECCN EAR99, HTSUS 8542.39.0001), ensuring compliance with environmental and safety standards.

ST75185CPR Applications

The ST75185CPR is ideal for a variety of applications that require reliable and efficient serial communication. Some specific use cases include:

• Industrial Automation: The transceiver's robustness and noise immunity make it suitable for industrial environments where reliable communication between devices is critical.
• Telecommunications: The full-duplex capability and moderate data rate are well-suited for telecommunication applications requiring stable data transfer.
• Consumer Electronics: The ST75185CPR can be used in consumer electronics devices that require RS232 communication, such as modems and serial interfaces.
• Medical Devices: The transceiver's reliability and compliance with international standards make it a good fit for medical devices that require stable and secure data communication.

Conclusion of ST75185CPR

The ST75185CPR is a versatile and reliable transceiver designed for RS232 communication. Its full-duplex capability, high receiver hysteresis, and wide supply voltage range make it suitable for a variety of applications, from industrial automation to consumer electronics. Despite being classified as obsolete, the ST75185CPR remains a valuable component for applications requiring moderate-speed, reliable serial communication. Its compliance with international regulations and standards ensures that it can be integrated into modern systems without concerns about environmental impact or regulatory issues.