SP483EEN-L/TR Integrated Circuits (ICs)

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Transceiver
Protocol:	RS422, RS485
Number of Drivers/Receivers:	1/1
Duplex:	Half
Receiver Hysteresis:	20mV
Data Rate:	250kbps
Voltage - Supply:	4.75 V ~ 5.25 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SOIC

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SP483EEN-L/TR Application Field and Working Principle

The SP483EEN-L/TR is an integrated transceiver chip designed for RS-485 and RS-422 communications applications. It contains an RS-485 driver, an RS-422 receiver, and a dual-driver, half-duplex transceiver, all in a single, integrated chip. This device is a popular choice for communication protocols such as Profibus, CAN-bus, and Modbus.

The integrated transceiver chip is used in applications requiring two-wire system architectures, such as control networks and remote data acquisition systems, as well as in single- and multi-drop communication architectures. It is also often used in PLC controllers, industrial robots, and other industrial applications. The SP483EEN-L/TR offers a full range of driver and receiver functions, as well as a half-duplex and switchable full-duplex operating modes.

The SP483EEN-L/TR provides an RS-485 driver, an RS-422 receiver, and a dual-driver, half-duplex transceiver all in a single package. It is designed for low-power operation, with an average power consumption of only 0.7 W, making it an attractive choice for battery-powered applications. On the data transmission side, the SP483EEN-L/TR features a high-speed interface, with a transmission speed up to 100Mbps.\'

In terms of its working principle, the chip provides an RS-485 driver and a half-duplex transceiver. During half-duplex mode, one RS-485 driver is enabled and the other is disabled. Data is sent using the enabled driver and received using the disabled driver. During full-duplex mode, both drivers are enabled and the data is transmitted simultaneously over both lines. In addition, the chip also provides an active termination circuit to reduce line reflections and minimize ringing.

The transceiver chip also includes two automatic shutdown features that help ensure improved data integrity by automatically disabling the drivers when the receiver is inactive. This helps reduce power consumption and extends battery life. In addition, the chip includes built-in error detection, which helps to ensure data integrity by detecting and correcting any framing errors during transmission.

In summary, the SP483EEN-L/TR is a popular integrated transceiver chip that is well-suited for a wide range of applications. It provides an RS-485 driver, an RS-422 receiver, and a dual-driver, half-duplex transceiver, all in a single, integrated chip. It offers a full range of driver and receiver functions, as well as a half-duplex and switchable full-duplex operating modes. In addition, it also provides an automatic shutdown feature and built-in error detection, making it an ideal choice for battery-powered and high-speed communication applications.

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