Overview
The ADUM1201WTRZ33 is a dual-channel digital isolator produced by Analog Devices Inc. This component utilizes Analog Devices' iCoupler technology to provide high-speed data isolation and voltage translation across the isolation barrier. It is particularly designed for applications requiring high data rates and robust isolation, including automotive, industrial, and medical devices. The ADUM1201WTRZ33 operates over a wide temperature range, including up to 125°C for automotive-grade versions, making it suitable for harsh environments.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Data Rate | Up to 25 Mbps (CR Grade), 10 Mbps (BR and CR Grades), 1 Mbps (Other Grades) | |
| Supply Voltage | 2.7 V to 5.5 V (VDD1 and VDD2) | |
| Supply Current per Channel | 0.8 mA (DC to 2 Mbps), 2.2 mA (10 Mbps), 4.8 mA (25 Mbps) | Typical values at specified data rates |
| Pulse Width Distortion | < 3 ns (CR Grade) | |
| Channel-to-Channel Matching | < 3 ns (CR Grade) | |
| Common-Mode Transient Immunity | >25 kV/μs | |
| Package | SOIC-8 | |
| Operating Temperature | -40°C to 125°C (Automotive Grade) | |
| Safety and Regulatory Approvals | UL 1577, CSA, VDE, and qualified for automotive applications |
Key Features
- Bidirectional Communication: Supports bidirectional data transfer across the isolation barrier.
- High Data Rate: Capable of operating at data rates up to 25 Mbps.
- Voltage Translation: Provides 3 V/5 V level translation.
- High Temperature Operation: Operates up to 125°C, making it suitable for harsh environments.
- Precise Timing Characteristics: Low pulse width distortion and tight channel-to-channel matching.
- Common-Mode Transient Immunity: High immunity to common-mode transients.
- Safety and Regulatory Compliance: Meets various safety and regulatory standards including UL, CSA, and VDE.
- Automotive Qualification: Qualified for automotive applications.
Applications
- Size-Critical Multichannel Isolation: Ideal for applications where space is limited.
- SPI Interface/Data Converter Isolation: Used in SPI interfaces and data converter applications requiring isolation.
- RS-232/RS-422/RS-485 Transceiver Isolation: Suitable for serial communication interfaces.
- Digital Field Bus Isolation: Used in various digital field bus applications.
- Hybrid Electric Vehicles, Battery Monitor, and Motor Drive: Applied in automotive systems for isolation and voltage translation.
Q & A
- What is the maximum data rate of the ADUM1201WTRZ33?
The maximum data rate is up to 25 Mbps for the CR grade, 10 Mbps for the BR and CR grades, and 1 Mbps for other grades.
- What are the supply voltage ranges for the ADUM1201WTRZ33?
The supply voltage ranges are 2.7 V to 5.5 V for both VDD1 and VDD2.
- What is the typical supply current per channel at different data rates?
The typical supply current per channel is 0.8 mA (DC to 2 Mbps), 2.2 mA (10 Mbps), and 4.8 mA (25 Mbps).
- What is the pulse width distortion of the ADUM1201WTRZ33?
The pulse width distortion is less than 3 ns for the CR grade.
- What is the common-mode transient immunity of the ADUM1201WTRZ33?
The common-mode transient immunity is greater than 25 kV/μs.
- What are the safety and regulatory approvals for the ADUM1201WTRZ33?
The component meets UL 1577, CSA, VDE standards, and is qualified for automotive applications.
- What is the operating temperature range of the ADUM1201WTRZ33?
The operating temperature range is -40°C to 125°C for automotive-grade versions.
- What package type is the ADUM1201WTRZ33 available in?
The component is available in an SOIC-8 package.
- Does the ADUM1201WTRZ33 support bidirectional communication?
Yes, it supports bidirectional data transfer across the isolation barrier.
- What are some common applications of the ADUM1201WTRZ33?
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.
