Analog Devices Inc. ADUM1401WSRWZ33-RL

The ADUM1401WSRWZ33-RL is a quad-channel digital isolator produced by Analog Devices Inc. This component utilizes Analog Devices' iCoupler® technology, which combines high-speed CMOS and monolithic air core transformer technology. This design eliminates the use of LEDs and photodiodes, thereby avoiding the typical issues associated with optocouplers such as uncertain current transfer ratios, nonlinear transfer functions, and temperature and lifetime effects. The ADUM1401WSRWZ33-RL offers stable performance characteristics and low power consumption, making it a superior choice for various isolation applications.

• iCoupler Technology: Combines high-speed CMOS and monolithic air core transformer technology, eliminating the need for LEDs and photodiodes and their associated issues.
• Low Power Consumption: Consumes one-tenth to one-sixth of the power of optocouplers at comparable signal data rates.
• High-Speed Data Transfer: Supports data rates up to 90 Mbps (CRW Grade) and low pulse width distortion (<2 ns for CRW grade).
• Voltage Translation: Operates with supply voltages ranging from 2.7 V to 5.5 V, enabling voltage translation across the isolation barrier.
• Refresh Feature: Ensures dc correctness in the absence of input logic transitions and when power is not applied to one of the supplies.
• High Isolation Voltage: Provides 2500Vrms isolation voltage, ensuring robust isolation between channels.

• Industrial Control Systems: Suitable for use in industrial control systems where high-speed data transfer and isolation are critical.
• Medical Devices: Used in medical devices requiring high isolation and low power consumption.
• Automotive Systems: Applicable in automotive systems due to its robust operating temperature range and high reliability.
• Power Supplies and DC-DC Converters: Utilized in power supplies and DC-DC converters to ensure isolation and voltage translation.
• Communication Systems: Employed in communication systems requiring high-speed data transfer and isolation.

1. What is the ADUM1401WSRWZ33-RL used for?

   The ADUM1401WSRWZ33-RL is a quad-channel digital isolator used to provide electrical isolation between different parts of a system while allowing high-speed data transfer.

2. What technology does the ADUM1401WSRWZ33-RL use?

   The ADUM1401WSRWZ33-RL uses Analog Devices' iCoupler® technology, which combines high-speed CMOS and monolithic air core transformer technology.

3. What are the key advantages of using the ADUM1401WSRWZ33-RL over optocouplers?

   The key advantages include lower power consumption, higher speed, and elimination of issues related to LEDs and photodiodes such as uncertain current transfer ratios and nonlinear transfer functions.

4. What is the maximum data rate supported by the ADUM1401WSRWZ33-RL?

   The ADUM1401WSRWZ33-RL supports data rates up to 90 Mbps (CRW Grade).

5. What is the isolation voltage of the ADUM1401WSRWZ33-RL?

   The isolation voltage is 2500Vrms.

6. What is the operating temperature range of the ADUM1401WSRWZ33-RL?

   The operating temperature range is -40°C to 125°C.

7. Is the ADUM1401WSRWZ33-RL RoHS compliant?

   Yes, the ADUM1401WSRWZ33-RL is lead-free and RoHS compliant.

8. What is the typical propagation delay of the ADUM1401WSRWZ33-RL?

   The typical propagation delay is between 20 ns to 45 ns.

9. Does the ADUM1401WSRWZ33-RL support voltage translation?

   Yes, it operates with supply voltages ranging from 2.7 V to 5.5 V, enabling voltage translation across the isolation barrier.

10. What is the common mode transient immunity (CMTI) of the ADUM1401WSRWZ33-RL?

    The CMTI is 25 kV/μs.