Texas Instruments

SN75LPE185DBR  

Drivers, Receivers, Transceivers

SN75LPE185DBR Description

The SN75LPE185DBR is a full-duplex transceiver designed by Texas Instruments, featuring 3 drivers and 5 receivers. This transceiver is specifically tailored for RS232 communication protocols and is housed in a 24-lead SSOP package. It operates within a supply voltage range of 4.75V to 5.25V and is suitable for surface-mount applications. The operating temperature range is from 0°C to 70°C, making it ideal for a variety of industrial and commercial environments. The SN75LPE185DBR also includes a receiver hysteresis of 1V, enhancing signal integrity and reliability.

SN75LPE185DBR Features

• Full-Duplex Communication: The SN75LPE185DBR supports full-duplex communication, allowing simultaneous data transmission and reception on separate lines. This feature is crucial for applications requiring high-speed, bidirectional data transfer.
• Receiver Hysteresis: With a 1V receiver hysteresis, the transceiver ensures robust signal integrity by reducing the likelihood of false triggering due to noise or signal fluctuations.
• Wide Operating Voltage Range: The SN75LPE185DBR operates within a voltage range of 4.75V to 5.25V, providing flexibility and compatibility with various power supply configurations.
• Surface Mount Technology (SMT): The surface-mount package type facilitates efficient PCB assembly and reduces the overall footprint, making it suitable for compact designs.
• Extended Temperature Range: The operating temperature range of 0°C to 70°C ensures reliable performance in a variety of environmental conditions, from mild to moderately harsh.
• Compliance and Safety: The SN75LPE185DBR is REACH unaffected and RoHS3 compliant, adhering to stringent environmental and safety standards. It also has a moisture sensitivity level (MSL) of 1, indicating it is not sensitive to moisture, which is beneficial for long-term storage and handling.

SN75LPE185DBR Applications

The SN75LPE185DBR is well-suited for applications requiring reliable RS232 communication. Some specific use cases include:

• Industrial Automation: In industrial settings, the SN75LPE185DBR can be used for communication between programmable logic controllers (PLCs), human-machine interfaces (HMIs), and other industrial devices.
• Data Acquisition Systems: The transceiver’s robust performance makes it ideal for data acquisition systems where accurate and reliable data transfer is critical.
• Telecommunications: The SN75LPE185DBR can be employed in telecommunications equipment for data transmission and reception, ensuring stable communication links.
• Medical Equipment: In medical devices that require RS232 communication, the SN75LPE185DBR provides a reliable and compliant solution, ensuring data integrity and patient safety.

Conclusion of SN75LPE185DBR

The SN75LPE185DBR from Texas Instruments is a versatile and reliable RS232 transceiver, offering full-duplex communication capabilities with enhanced signal integrity. Its wide operating voltage range, surface-mount package, and extended temperature range make it suitable for a variety of applications, from industrial automation to medical equipment. Despite being marked as obsolete, the SN75LPE185DBR remains a valuable component for existing systems and legacy designs, providing a robust solution for RS232 communication needs.

SN75LPE185DBR Documents

Download datasheets and manufacturer documentation for SN75LPE185DBR

Datasheets :

SN75LPE185      

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SN75LPE185