SN65HVS882PWP

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The SN65HVS882PWP is an integrated serializer with differential input and output signal levels for RS-485. This device is an Industry Standard plus integrated ESD protection circuit, an interesting and useful feature for any RS-485 application. It converts TTL or CMOS to the twisted-pair, differential signal levels of RS-485 communications and vice versa.

The SN65HVS882PWP can support up to 127 devices on a single bus and provide robust operation in noisy environments due to improved EMC and ESD performance. It supports data rates up to 20 Mbps and is designed to separate the host transceiver and the RS-485 transceiver, thus providing a cost-effective solution. As this device is integrated, the customer can save the cost of external discrete ESD protection.

Application fields of the SN65HVS882PWP are mainly the industrial communication and sensing applications where the data rate is up to 20 Mbps, such as the backbone highway, instrumentation, and utilities automation. Other fields such as point-to-point or multi-point communications, network protocols such as Modbus or PROFINET, fieldbus and Mechatronics are also applicable as long as the transmission conditions satisfy the necessary standards of the device.

The basic working principle of the SN65HVS882PWP is to transmit data from one system to another with a differential line-level signal based on the RS485. Each side has one driver and one receiver dedicated for the differential signal transmission. The line driver of the SN65HVS882PWP consists of two pins for both line and stand-by modes, TH and THB. When TH is active, THB is a high-impedance. When TH is passive, THB is a low impedance connected to ground. This is used to reduce EMI and ESD in the system.

The SN65HVS882PWP uses differential ESD protection, allowing the device to withstand up to ±30kV IEC level 4 ESD strikes and 3kV HBM transients. This device also has a thermal shutdown feature ensuring the device does not overheat during use, which can greatly reduce the time required for system maintenance.

The SN65HVS882PWP is designed to operate over the -40℃ to 125℃ temperature range and is the ideal choice for low-voltage applications that require robust and reliable communications. It can be used in applications like motor control, factory automation, motor drives and monitoring. The SN65HVS882PWP can also be used in other types of embedded industrial applications that require high speed transfer rates such as Point to Point or Multi-Point type of communication.

In conclusion, the SN65HVS882PWP is an integrated serializer with differential input and output signal levels for RS-485 applications. Its outstanding features make it a reliable solution for industrial communication and sensing applications requiring efficient and fast data transmission. Its wide temperature range, robust ESD and EMC performance, and integrated thermal protection makes it perfect for a wide range of demanding applications.

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