Overview
The ADUM1201WURZ55 is a dual-channel digital isolator produced by Analog Devices Inc. It is based on the iCoupler technology, which provides high-speed data transfer and electrical isolation between two independent channels. This component is designed to ensure reliable and precise communication across the isolation barrier, making it suitable for a variety of applications requiring high data rates and safety standards.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Supply Voltage (VDD1, VDD2) | 2.7 V to 5.5 V | Typical: 3.0 V or 5.0 V |
| Supply Current per Channel | 0.4 mA to 4.8 mA | Dependent on data rate (DC to 25 Mbps) |
| Data Rate | DC to 25 Mbps | NRZ (Non-Return-to-Zero) encoding |
| Pulse Width Distortion | < 3 ns | For CR grade |
| Channel-to-Channel Matching | < 3 ns | For CR grade |
| Propagation Delay | Typically 10 ns | Measured at 50% level of signal edges |
| Operating Temperature | -40°C to 125°C | Automotive grade versions qualified for 125°C operation |
| Isolation Voltage | 2500 V rms for 1 minute (UL 1577) | 560 V peak working voltage (DIN EN 60747-5-2) |
| Package Type | 8-Pin SOIC N | Surface Mount |
Key Features
- Bidirectional Communication: Supports bidirectional data transfer across the isolation barrier.
- High Data Rate: Capable of data rates from DC to 25 Mbps (NRZ encoding).
- Low Pulse Width Distortion: Less than 3 ns for CR grade, ensuring precise timing characteristics.
- Tight Channel-to-Channel Matching: Less than 3 ns for CR grade, enhancing synchronization between channels.
- High Temperature Operation: Qualified for operation up to 125°C, especially in automotive grade versions.
- Voltage Translation: Supports 3 V/5 V level translation, making it versatile for different system voltages.
- Refresh Feature: Patented refresh feature ensures DC correctness in the absence of input logic transitions and during power-up/power-down conditions.
- Safety and Regulatory Approvals: Compliant with UL 1577, CSA, and VDE certifications, ensuring high safety standards.
Applications
- Size-Critical Multichannel Isolation: Ideal for applications where space is limited but multiple isolation channels are required.
- SPI Interface/Data Converter Isolation: Suitable for isolating SPI interfaces and data converters in various systems.
- RS-232/RS-422/RS-485 Transceiver Isolation: Used in serial communication systems to ensure electrical isolation.
- Digital Field Bus Isolation: Applicable in industrial automation and field bus systems for reliable data communication.
- Hybrid Electric Vehicles, Battery Monitor, and Motor Drive: Qualified for automotive applications, including hybrid electric vehicles and motor drive systems.
Q & A
- What is the ADUM1201WURZ55 used for?
The ADUM1201WURZ55 is a dual-channel digital isolator used to provide electrical isolation and data transfer between two independent channels.
- What are the supported data rates for the ADUM1201WURZ55?
The component supports data rates from DC to 25 Mbps (NRZ encoding).
- What is the maximum operating temperature for the ADUM1201WURZ55?
The component is qualified for operation up to 125°C, especially in automotive grade versions.
- Does the ADUM1201WURZ55 support voltage translation?
Yes, it supports 3 V/5 V level translation.
- What safety certifications does the ADUM1201WURZ55 have?
The component is compliant with UL 1577, CSA, and VDE certifications.
- What is the package type of the ADUM1201WURZ55?
The component is packaged in an 8-Pin SOIC N, which is a surface mount package.
- How does the ADUM1201WURZ55 ensure DC correctness?
The component features a patented refresh feature that ensures DC correctness in the absence of input logic transitions and during power-up/power-down conditions.
- What are some common applications of the ADUM1201WURZ55?
Common applications include size-critical multichannel isolation, SPI interface/data converter isolation, RS-232/RS-422/RS-485 transceiver isolation, and digital field bus isolation.
- Is the ADUM1201WURZ55 suitable for automotive applications?
Yes, the component is qualified for automotive applications, including hybrid electric vehicles and motor drive systems.
- What is the typical propagation delay of the ADUM1201WURZ55?
The typical propagation delay is around 10 ns, measured at the 50% level of signal edges.
