ADUM142D1BRWZ-RL

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Digital isolators are becoming more and more used for their combined isolation and signal processing capabilities. The ADUM142D1BRWZ-RL is a reflective digital isolator designed to isolate high-speed digital signaling. With a single channel of robust digital isolation, this device provides a cost-effective solution in applications ranging from medium speed data transfers of CAN to high speed busses such as 10G Ethernet and beyond.

The ADUM142D1BRWZ-RL is a digital isolator with an integrated transformer that uses the principles of magnetic field coupling and signal impedance to isolate a single channel, allowing for minimal signal degradation over a wide input voltage range. The integrated transformer used in the device is optimized to provide 12 Mbps signal isolation across a range of common mediums such as copper, coaxial cable, twisted pair, PCB traces, and fiber-optic cables. Furthermore, the device is capable of passing both unipolar (0-Vcc) and bipolar (±Vcc) inputs and outputs.

The ADUM142D1BRWZ-RL offers a small and integrated solution for applications such as power and metering systems, industrial control, medical equipment, safety critical systems, and others. The device helps to protect users from transmitted noise, power surges, and EMI/RFI along with providing galvanic isolation between input and output. This helps to prevent ground loops and minimize errors with sensitive signals generated from transducers.

The ADUM142D1BRWZ-RL’s isolator is designed to work over a supply voltage range of 3.0V to 5.5V, making it capable of operating in any battery-powered device. This device is also capable of working with a variety of power amplifiers, AC-DC and DC-DC converters, and low power lighting systems. Additionally, the ADUM142D1BRWZ-RL is Industrial temperature range-qualified, making it suitable for applications with high temperatures.

The working principle of the ADUM142D1BRWZ-RL digital isolator is quite simple. It uses magnetic field coupling and signal impedance to transfer a signal between a transmitter and a receiver across an isolation barrier. The device includes an isolated power circuit to keep the transmitter and receiver insulated from one another, thereby eliminating the possibility of ground loops. The signal is then run through the transformer, which reduces the impedance of the signal and increases the signal-to-noise ratio.

By using the physical principles of magnetic field coupling and signal impedance, the ADUM142D1BRWZ-RL digital isolator is able to offer a reliable and cost-effective solution for a wide range of industrial systems. Its small size and robust construction make it suitable for a variety of applications, from medium-speed data transfers, to safety critical systems. Furthermore, its wide input voltage range and robust signal isolation make it capable of working with a variety of power amplifiers and connecting to a wide range of mediums.

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