SP3232EBCY-L/TR

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The interface-drivers, receivers, and transceivers category includes devices that enable communication between or among logic devices or between logic and the environment. One device in this category is the SP3232EBCY-L/TR, a level-translator, differential line driver and receiver, commonly used in RS-485 applications.

The SP3232EBCY-L/TR is specifically intended for members of the EBC bus family, which are used in industrial, medical, and instrumentation applications. The device operates at a range of supply voltages, from 4.75 to 5.25V, and has an output drive capability of 16mA at 5V.

The SP3232EBCY-L/TR is based on an RS-485 standard; it boasts a high-frequency bandwidth of up to 9 Mbps, and supports stable transmission of up to 1.5km on a standard twisted-pair cable, with excellent noise immunity. The device has an internal impedance-matching 3-state transmitter, allowing for reliable communication coverage.

The SP3232EBCY-L/TR’s line-recovery feature is important in ensuring reliable data transmissions, providing error-free communication in noisy environments. Furthermore, the device is hot-swappable, allowing for insertion and removal of devices while the power is kept on.

In regards to its operation, the SP3232EBCY-L/TR works by detecting and translating the differential voltage-level signals from the EBC bus. It then delivers the detected signals to its own output buffer, and from there to the differential outputs. A logic 1 signal is represented by a differential voltage of 3.2V, and a logic 0 signal is represented by a differential voltage of 0.8V. The driver and receiver are active-low enabled; a logic low signal enables the device, while a logic high signal disables it. Finally, the device’s Li-C filter enables smooth data transmission by suppressing high frequency noise.

The SP3232EBCY-L/TR is typically used in applications such as industrial controllers, medical equipment, and instrumentation. Its reliable performance and wide voltage range make it an ideal choice for these and other RS-485 applications.

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