NCV7321D10R2G

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The NCV7321D10R2G is an integrated circuit designed for interface applications. It functions as a driver, receiver, transceiver and is composed of two separate circuits, a driver circuit and a receiver circuit. The driver and receiver circuits are connected in a manner that enables the NCV7321D10R2G to perform a variety of communications and interfacing functions.

Application Field

The NCV7321D10R2G is well suited for use in applications that require a high level of flexibility while minimizing the number of external components. Examples of the type of applications that are suitable for this integrated circuit include bus drivers, line drivers, data transceivers, CAN transceivers, CAN bus controllers, PC tuners, PC interface cards, digital interface applications, and clock and data recovery circuits.

Working Principle

The NCV7321D10R2G is designed to function as both an open-collector driver and open-collector receiver circuit. This dual function is made possible by the presence of an active pull-up driver and a low-current pull-down receiver. The pull-up driver is used to encode data from the transmitter onto the bus. The pull-down receiver is used to decode the data from the bus and provide it to the receiver.

The driver section is controlled by two input pins, DRIVE and INHIBIT. When the DRIVE pin is set to logic high, the driver will be enabled and will actively drive the data on the data lines. When the INHIBIT pin is set to logic high, the driver is put in a low-power state, in which the bus lines will be pulled to logic low levels. The receiver section is controlled by the DATA IN pin, which provides the data to be processed by the receiver.

The NCV7321D10R2G is also designed to operate in an open-drain configuration. This configuration is useful for applications that require bidirectional communication, such as CAN bus controllers. When the device is in this mode, the driver and receiver are both enabled, and the bus lines can be actively driven by either device. The open-drain configuration also allows the device to be used as a buffer, storing information until it is read by the receiver.

The NCV7321D10R2G is capable of operating at data rates up to 200 Mbps. To ensure proper operation at these speeds, the device contains a slew-rate limiter that prevents signal distortion caused by sharp transitions in the data stream.

Overall, the NCV7321D10R2G is well suited for a variety of interface applications due to its ability to function as both a driver and a receiver, and its open-drain configuration. With its low power consumption and high speed capabilities, this device is an ideal choice for a wide range of applications.

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