Overview
The ADUM1281WARZ is a dual-channel digital isolator produced by Analog Devices Inc. This component is designed to provide high isolation and reliable data transfer between two isolated domains. It features a magnetic coupling technology that ensures robust and high-speed data transmission. The ADUM1281WARZ is particularly useful in applications requiring high voltage isolation, such as in industrial control systems, medical devices, and automotive systems.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | ADUM1281WARZ |
| Package | 8-SOIC (0.154", 3.90mm Width) |
| Supply Voltage | 3V ~ 5.5V |
| Number of Channels | 2 |
| Channel Type | Unidirectional |
| Voltage - Isolation | 3000Vrms |
| Operating Temperature | -40°C ~ 125°C |
| Data Rate | 1Mbps |
| Technology | Magnetic Coupling |
| Rise / Fall Time (Typ) | 2.5ns, 2.5ns |
| Propagation Delay tpLH / tpHL (Max) | 50ns, 50ns |
| Common Mode Transient Immunity (Min) | 25kV/µs |
| Mounting Type | Surface Mount |
| RoHS Compliance | Yes |
Key Features
- High Voltage Isolation: The ADUM1281WARZ provides 3000Vrms of isolation, making it suitable for applications requiring high voltage separation.
- High-Speed Data Transfer: With a data rate of 1Mbps, this isolator ensures fast and reliable data transmission.
- Magnetic Coupling Technology: This technology enhances the reliability and robustness of the data transfer process.
- Wide Operating Temperature Range: The component operates over a temperature range of -40°C to 125°C, making it versatile for various environments.
- Unidirectional Channels: Each channel is unidirectional, providing clear and dedicated signal paths.
- Surface Mount Package: The 8-SOIC package is convenient for surface mount assembly, reducing board space and enhancing manufacturing efficiency.
- RoHS Compliance: The component is RoHS compliant, ensuring it meets environmental standards.
Applications
- Industrial Control Systems: Used in systems that require high isolation and reliable data transfer, such as motor control, power supplies, and industrial automation.
- Medical Devices: Suitable for medical equipment where high voltage isolation is critical for patient safety, such as in defibrillators and patient monitoring systems.
- Automotive Systems: Applied in automotive electronics for reliable and isolated data transmission in harsh environments.
- Power Supplies and DC-DC Converters: Used to isolate control signals in power supplies and DC-DC converters to ensure safe and efficient operation.
Q & A
- What is the primary function of the ADUM1281WARZ?
The ADUM1281WARZ is a dual-channel digital isolator designed to provide high voltage isolation and reliable data transfer between two isolated domains.
- What is the voltage isolation rating of the ADUM1281WARZ?
The ADUM1281WARZ has a voltage isolation rating of 3000Vrms.
- What is the data rate of the ADUM1281WARZ?
The data rate of the ADUM1281WARZ is 1Mbps.
- What technology does the ADUM1281WARZ use for data transfer?
The ADUM1281WARZ uses magnetic coupling technology for data transfer.
- What is the operating temperature range of the ADUM1281WARZ?
The operating temperature range of the ADUM1281WARZ is -40°C to 125°C.
- Is the ADUM1281WARZ RoHS compliant?
Yes, the ADUM1281WARZ is RoHS compliant.
- What type of package does the ADUM1281WARZ come in?
The ADUM1281WARZ comes in an 8-SOIC package.
- What are some common applications of the ADUM1281WARZ?
The ADUM1281WARZ is commonly used in industrial control systems, medical devices, automotive systems, and power supplies.
- What is the propagation delay of the ADUM1281WARZ?
The propagation delay (tpLH / tpHL) of the ADUM1281WARZ is 50ns.
- What is the common mode transient immunity of the ADUM1281WARZ?
The common mode transient immunity of the ADUM1281WARZ is 25kV/µs.
