ISO7321FCQDRQ1

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Digital isolators are components that are used to isolate two or more circuits in a system. They have a wide range of applications, including data communications, noise immunity, and power conditioning. The ISO7321FCQDRQ1 is a digital isolator specifically designed for use in industrial applications.

The ISO7321FCQDRQ1 is a digital isolator with an operating voltage of +5V and ±5V. It is specially designed to protect digital circuits from transients and reducing radiated EMI. The ISO7321FCQDRQ1 is an automotive-qualified device, which means it has been tested and meets the requirements of automotive EMC standards. It features a low-noise, high-speed digital interface with a proprietary signal conversion technique.

The ISO7321FCQDRQ1 has a wide range of practical applications. It can be used in digital interfaces such as RS232, RS485, CAN bus, LIN bus, FlexRay, and USB interfaces. It can also be used in power conditioning applications, such as inverter interfaces, motor drives, and switch-mode power supplies. The device can also be used in safety-critical automotive applications, such as ABS, ETC, and powertrain safety systems.

The ISO7321FCQDRQ1 is based on a transmission gate design using TI\'s patented isolated DC-DC converter technology. It uses four power MOSFETs to provide electrical isolation between the input and output of the device. There are two low-, high-speed, low-power inverters in the signal path, which are used to condition the signal before it is transferred across the isolation barrier. This allows the device to achieve a high signaling rate, while providing electrical isolation between the two nodes. The typical signaling rate for the device is up to 90 Mbps.

The ISO7321FCQDRQ1 also contains filters and transient protection circuitry to help reduce EMI and help protect the device from transient voltage surges. This is especially important for applications in high-voltage environments, where a voltage surge could damage the device or disrupt the communications. Additionally, the device can be used in high-temperature environments, as it can operate up to 125 °C.

The ISO7321FCQDRQ1 is a versatile digital isolator that provides electrical isolation between two nodes, while simultaneously offering high-speed data transmission and transient protection. It is ideal for use in industrial applications, such as digital interfaces, power conditioning, and safety-critical automotive applications.

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