GD75323DWG4

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The GD75323DWG4 is an enhanced low-power RS-485 transceiver in a small SOIC-V package. It provides an efficient way to interface one side of a low-power, multi-channel RS-485 or RS-422 system to a microcontroller. Developed by ON Semiconductors, this device has applications in many fields, especially where space is a primary consideration.

Application Fields

The GD75323DWG4 can be used in a variety of applications. It is commonly used in IoT applications, industrial control systems, building automation systems, HVAC systems, metering systems, electric motor driving systems, point-of-sale systems, and serial data communication systems. It is also suitable for use in cable and satellite receivers.

Working Principle

In RS-485 systems, the GD75323DWG4 transceiver acts as the upstream (or driver) for the system. It has two outputs that enable it to drive the following downstream (or receiver) side. It can receive input from the other side and convert it into a voltage swing that is compatible with the logic levels of the microcontroller. The input is converted to a logic-level output and then fed back to the other side as an acknowledge if data is transmitted.

The GD75323DWG4 also has a slew rate control for EMI reduction and a supply voltage reverse polarity protection circuit. It also contains a low power standby mode that reduces power consumption when the device is not in use. This device supports both half-duplex and full-duplex communication modes. The speed at which data is transmitted can be adjusted up to 11 Mbps. It also has a fail-safe logic, which ensures that the bus stays in a logic high state in case of a fault or disabled transceiver.

Conclusion

The GD75323DWG4 is an enhanced low-power RS-485 transceiver developed by ON Semiconductors. It has various applications in many fields, such as IoT, industrial control systems, and others. It is capable of half-duplex and full-duplex data transmission and has a slew rate control for EMI reduction, as well as a supply voltage reverse polarity protection circuit. Additionally, it has a low power standby mode and a fail-safe logic to protect the system in case of a fault or disabled transceiver.

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