Overview
The ADUM1420BRWZ-RL is a quad-channel digital isolator produced by Analog Devices Inc. This component utilizes magnetic coupling technology, eliminating the need for LEDs and photodiodes commonly found in optocouplers. This design approach ensures stable performance characteristics, avoiding issues such as uncertain current transfer ratios, nonlinear transfer functions, and temperature and lifetime effects associated with optocouplers.
The ADUM1420BRWZ-RL is part of the iCoupler family, which combines high-speed CMOS and monolithic air core transformer technologies to provide outstanding isolation and data transfer capabilities.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Isolation Voltage | 1667 | Vrms |
| Number of Channels | 4 | - |
| Package Type | 28-SOIC | - |
| Propagation Delay (tpLH / tpHL) | 128 | ns |
| Pulse Width Distortion | 8 | ns |
| Rise / Fall Time (Typical) | 25 | ns |
| Supply Voltage Range | 2.7 to 5.5 | V |
| Operating Temperature Range | -40 to 125 | °C |
| Common Mode Transient Immunity (CMTI) | Not specified for this model, but generally high for iCoupler devices | kV/µs |
Key Features
- Magnetic Coupling Technology: Eliminates the use of LEDs and photodiodes, providing stable and reliable performance.
- High-Speed Data Transfer: Supports data rates up to the specifications of the iCoupler family, typically in the range of Mbps.
- High Isolation Voltage: Offers 1667 Vrms isolation voltage, ensuring robust electrical isolation between channels.
- Low Propagation Delay: Features a maximum propagation delay of 128 ns, ensuring fast and efficient data transfer.
- Wide Operating Temperature Range: Operates from -40°C to 125°C, making it suitable for a variety of environmental conditions.
- RoHS Compliant: Lead-free and RoHS compliant, adhering to environmental regulations.
Applications
- Industrial Control Systems: Used in control systems that require high isolation and reliability, such as motor control, power supplies, and industrial automation.
- Medical Devices: Suitable for medical equipment where electrical isolation is critical for patient safety.
- Automotive Systems: Applied in automotive systems that demand robust and reliable isolation, such as in battery management and safety systems.
- Power Supplies and DC-DC Converters: Used to isolate control signals in power supply and DC-DC converter applications.
- Communication Systems: Utilized in communication systems requiring high-speed data transfer with electrical isolation.
Q & A
- What is the isolation voltage of the ADUM1420BRWZ-RL?
The isolation voltage is 1667 Vrms.
- How many channels does the ADUM1420BRWZ-RL have?
The ADUM1420BRWZ-RL has 4 channels.
- What is the package type of the ADUM1420BRWZ-RL?
The package type is 28-SOIC.
- What is the maximum propagation delay of the ADUM1420BRWZ-RL?
The maximum propagation delay is 128 ns.
- What is the typical rise and fall time of the ADUM1420BRWZ-RL?
The typical rise and fall time is 25 ns.
- What is the operating temperature range of the ADUM1420BRWZ-RL?
The operating temperature range is from -40°C to 125°C.
- Is the ADUM1420BRWZ-RL RoHS compliant?
- What technology does the ADUM1420BRWZ-RL use for isolation?
The ADUM1420BRWZ-RL uses magnetic coupling technology.
- What are some common applications of the ADUM1420BRWZ-RL?
Common applications include industrial control systems, medical devices, automotive systems, power supplies, and communication systems.
- How does the ADUM1420BRWZ-RL ensure data integrity during transmission?
The ADUM1420BRWZ-RL ensures data integrity through its high-speed and reliable magnetic coupling technology, along with features like low propagation delay and high common mode transient immunity.
