ADN4650BRWZ-RL7

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Digital isolators are electronic components that provide galvanic isolation between two components or circuits. They are typically used to protect sensitive components from dangerous voltages and currents caused by high-voltage components or circuits. This article will focus on the ADN4650BRWZ-RL7 digital isolator and its application field and working principle.

The ADN4650BRWZ-RL7 digital isolator is a single-channel digital isolator designed for applications requiring high-speed data transfer across galvanic isolation. It features advanced technology, such as a low input current of 10μA to 50μA with no system clock or crystal and a stable 1.6 Mbits/s data rate in half-duplex mode. It also operates at temperatures of -40°C to +85°C, making it suitable for the most demanding of applications. The device has a very low leakage current of 7pA (typical) at +25°C and provides superior EMI/RFI noise immunity and up to 500Vrms of off-state isolation voltage.

The device is also designed for low power consumption and comes with an integrated low voltage pullup which reduces the supply current to 9μA (typical). It also has integrated ESD protection, making it robust and highly reliable. The device is UL recognized with extended safety component recognition and features an open-drain output.

In terms of its application field, the ADN4650BRWZ-RL7 digital isolator is an ideal product for isolating low-voltage digital signals, such as hostcoil interface signals. It is also suitable for automotive and industrial applications as well as medical and test & measurement instruments. The device can also be used in communications systems, such as modem or test-beds.

In terms of its working principle, the ADN4650BRWZ-RL7 digital isolator consists of two isolated parts: a transmit part and a receive part. The transmit part consists of an input stage, a differential output stage, and a control circuit with open-drain output. When the input stage receives a valid signal, the differential output stage generates a signal that is sent to the receive part. The receive part contains a differential input stage and a control circuit with open-drain output. When the differential input stage receives a valid signal, the control circuit then passes the signal to the output.

In conclusion, the ADN4650BRWZ-RL7 digital isolator is a highly reliable and robust device designed for low power consumption and high-speed data transfer. It is suitable for a wide variety of applications, such as hostcoil interface signals, automotive and industrial applications as well as communications systems. It’s working principle consists of two isolated parts, the transmit part and the receive part, which enable it to transfer data with galvanic isolation.

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