SN65C3238DWG4

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The SN65C3238DWG4 is an integrated circuit that provides a dual-channel RS-485 transceiver. It was designed by Texas Instruments and is commonly used in industrial and instrumentation applications. The part is available in a 28-pin DIP or a 14-pin SOIC package, and operates in the temperature range of -40 °C to +85 °C. The SN65C3238DWG4 is used for half-duplex, asynchronous communication between two devices. It can communicate over up to 2000 m at speeds up to 10 Mbps, and has built-in slew rate control, a high ESD rating, and integrated protection against differential or common-mode transients.

The SN65C3238DWG4 is primarily used in industrial applications such as PLCs, drives, controllers, and sensors. It is frequently used in set-top boxes, video surveillance systems, smart meters, automation systems, and building control systems. The transceiver is also well-suited for secure data transmission, remote control systems, and point-of-sale (POS) systems.

The SN65C3238DWG4 is a bus-powered transceiver, and can provide up to 1.1 mA of supply current when both receivers are operating. The device supports the RS-485 standard and can be used for half-duplex communication. The device has two drivers and two receivers, as well as 3-state differential outputs on the receivers. The drivers are controlled by the /RE/DE pin, while the receivers are active low when enabled. The /RE/DE pin can also be used to send an idle-indication or an address marker in multi-drop applications. The device also features integrated protection against differential or common-mode transients. This is achieved with the use of on-chip surge protection diodes, which absorb excess current and maintain system integrity.

The SN65C3238DWG4 is powered by a 12V or 15V dual-voltage supply. The device has an enable pin, which must be pulled low for the device to be enabled. The enable pin can be used to place the device into a low power mode when not in use. The part also has two enable/disable pins for each receiver. These pins are used to disable the receivers when not in use, which reduces power consumption.

Overall, the SN65C3238DWG4 is an ideal solution for robust, high-speed, and reliable communication in industrial applications. It is a bus-powered transceiver, with integrated surge protection and a wide temperature range, making it well suited for use in a wide variety of applications.

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