ADUM1286WCRZ-RL7

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Digital isolators are widely used in applications, ranging from medical electronics to power management. The ADUM1286WCRZ-RL7 is a digital isolator from Analog Devices’ family of isolators. By using digital isolators in complex systems, designers can protect key lines of communication from both electrical and magnetic disturbances and achieve electrical isolation of up to 500V. The ADUM1286WCRZ-RL7 does this by providing a galvanic isolation barrier between the transmitter and the receiver. Additionally, this product has undergone stringent testing to ensure reliable performance over extended operational temperatures.

The ADUM1286WCRZ-RL7 isolator is a unidirectional isolator suitable for enlivening I2C-bus and SMBus applications. Utilizing digital-enabled isolation, robust communication between multi-level board designs housed in harsh environments is possible. With a propagation delay of approximately 8ns across a galvanic isolation barrier of up to 500V, the ADUM1286WCRZ-RL7 provides deterministic bus schedule without adding to existing system latency.

The small package is the key factor that allows for the ADUM1286WCRZ-RL7 to improve design flexibility and ease space constraints. Its use of CMOS technology allows for lower power consumption, while operating in a temperature range of -40 to +85°C. Additionally, robust ESD protection and IEC 60747-5-5 performance allow for the safe operation of the device in high-noise environments.

The ADUM1286WCRZ-RL7 consists of a dual channel isolated type of a transmitter and a receiver, allowing data to be transferred through resistive, capacitive and inductive isolations. Isolation is enabled by using an isolation barrier, which consists of an optical-link and a non-conductive substrate, called an insulating spacer. Along with the optical-link, the ADUM1286WCRZ-RL7 provides galvanic isolation that secures data transmission and prevents the occurrence of destructive interference. This combination of optical-link and non-conductive substrate ensures that electric disturbances, such as static, do not interfere with the transmission of data.

The two-channel design of the isolator, along with its built-in ESD protection, makes it an ideal choice for applications where uninterrupted communication at high speeds is required. The two isolated signals contain both the data and clock signals and can transmit bitrates up to 400kHz. The ADUM1286WCRZ-RL7 also includes an open-drain output that allows for line-wakeup or debounce protection for I2C-bus applocations. Moreover, the ADUM1286WCRZ-RL7 is also equipped with a built-in anti-glitch filter to ensure reliable communication at high speeds.

The ADUM1286WCRZ-RL7 digital isolator is designed for use in a wide range of applications, including medical electronics, power management, and motor control. Its small size, low power consumption, and ESD protection make it an ideal solution for these high-reliability applications, where reliable communication in harsh environments is critical.

The ADUM1286WCRZ-RL7 is an ideal choice for circuit designers seeking a reliable and long-lasting design. With IEC 60747-5-5 performance and robust ESD protection, the ADUM1286WCRZ-RL7 provides deterministic bus scheduling with minimal added latency. Furthermore, its use of CMOS technology allows for low power consumption, and its reliable performance over an extended range of operational temperatures helps to ensure long-lasting performance.

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