SN65HVD23DR

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Introduction of SN65HVD23DR

SN65HVD23DR is a differential data communication interface receiver compatible with the RS-485 standard. This device is designed to achieve high throughput data rates of up to 1 Mbps. Furthermore, the receiver offers a low standby current, robust ESD protection with active surge suppression, immunity to large common-mode transients, and low data jitter. In addition, it is able to operate over a wide range of supply voltages and temperatures, making it suitable for a variety of applications.

Application Field

SN65HVD23DR is most commonly used in industrial communication protocols such as RS-485, CAN, Modbus, Profibus, and Profinet. It is also widely used for communication between inaccessible and hazardous locations due to its robust ESD protection and wide supply voltage and temperature range. This device can also be used in medical device communication networks and critical automation applications.

Working Principle

The SN65HVD23DR operates in half-duplex mode and features two receivers with active surge suppression. The two receivers are connected in parallel and receive differential data from a transmitter. The differential pair of lines is terminated by resistors across the + and - lines, setting the termination voltage at the mid point of the power supply range. The combining of data from the two receiver inputs creates a greater immunity to common-mode transients, decreasing jitter and errors in the data communication. The SN65HVD23DR is powered by the 5V power supply, and the resulting output is a single ended, digital data signal.

The SN65HVD23DR features a low standby current, making it ideal for applications that require low power consumption. Furthermore, the power down function ensures that the receiver is still operational during power transients or sudden power supply drops. The receiver also offers robust ESD protection with active surge suppression, making it suitable for reliably receiving data in harsh industrial environments with frequent ESD events. Lastly, the receiver has an integrated hysteresis circuit for suppressing false triggering during EMI and CMI events.

Conclusion

The SN65HVD23DR is a differential data communication interface receiver compatible with the RS-485 standard. This device offers a high throughput data rate of up to 1 Mbps and robust ESD protection with active surge suppression. Furthermore, SN65HVD23DR operates over a wide supply voltage and temperature range, making it suitable for a variety of applications, such as industrial and medical networks, inaccessible and hazardous locations, critical automation applications and more. The device is powered by a 5V supply, and the receiver features two receivers with active surge suppression. The combining of the two receiver inputs creates greater immunity to common-mode transients and low jitter, making it perfect for reliable data communications. Lastly, SN65HVD23DR features a low standby current and an integrated hysteresis circuit for suppressing false triggering during EMI and CMI events, making it an ideal choice for a variety of applications.

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