Overview
The ADUM1201WURZ33 is a dual-channel digital isolator produced by Analog Devices Inc. It is based on the iCoupler® technology, which combines high-speed CMOS and monolithic transformer technologies to provide superior performance characteristics compared to traditional optocouplers. This component is designed to offer high data rate capabilities, precise timing characteristics, and robust isolation, making it suitable for a variety of applications requiring reliable and high-speed data transfer across isolation barriers.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Comments |
|---|---|---|---|---|---|
| Voltage - Supply | 2.7 | - | 5.5 | V | VDD1 and VDD2 |
| Voltage - Isolation | - | - | 2500 | Vrms | |
| Input Supply Current per Channel (Quiescent) | 0.26 | 0.35 | - | mA | At DC to 2 Mbps |
| Output Supply Current per Channel (Quiescent) | 0.11 | 0.20 | - | mA | At DC to 2 Mbps |
| Data Rate | - | - | 25 | Mbps | |
| Pulse Width Distortion (Max) | - | - | 3 | ns | |
| Propagation Delay (Max) | - | - | 50 | ns | tPHL and tPLH |
| Common Mode Transient Immunity (Min) | - | - | 25 | kV/μs | |
| Operating Temperature | -40 | - | 125 | °C | |
| Package | - | - | - | 8-SOIC |
Key Features
- High-Speed Data Transfer: Supports data rates up to 25 Mbps, ensuring high-speed communication across the isolation barrier.
- Precise Timing Characteristics: Offers low pulse width distortion (<3 ns) and tight channel-to-channel matching (<3 ns).
- Voltage Translation: Provides 3 V/5 V level translation, enhancing flexibility in system design.
- High Temperature Operation: Qualified for operation up to 125°C, making it suitable for demanding environments.
- Robust Isolation: Features 2500 Vrms isolation voltage and high common-mode transient immunity (>25 kV/μs).
- Automotive Grade: The ADUM1201WURZ33 is an automotive-grade version, ensuring reliability in automotive applications.
- Refresh Feature: Includes a patented refresh feature to ensure dc correctness in the absence of input logic transitions and during power-up/power-down conditions.
Applications
- Size-Critical Multichannel Isolation: Ideal for applications where space is limited and 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 reliable and isolated data transfer.
- Digital Field Bus Isolation: Applicable in industrial field bus systems requiring high-speed and reliable data isolation.
- Hybrid Electric Vehicles, Battery Monitor, and Motor Drive: Qualified for use in automotive applications, including hybrid electric vehicles and motor drives.
Q & A
- What is the maximum data rate supported by the ADUM1201WURZ33?
The ADUM1201WURZ33 supports data rates up to 25 Mbps.
- What is the isolation voltage of the ADUM1201WURZ33?
The isolation voltage is 2500 Vrms.
- What is the operating temperature range of the ADUM1201WURZ33?
The operating temperature range is from -40°C to 125°C.
- Does the ADUM1201WURZ33 support voltage translation?
Yes, it supports 3 V/5 V level translation.
- What is the maximum pulse width distortion of the ADUM1201WURZ33?
The maximum pulse width distortion is 3 ns.
- Is the ADUM1201WURZ33 qualified for automotive applications?
Yes, it is an automotive-grade version.
- What is the common-mode transient immunity of the ADUM1201WURZ33?
The common-mode transient immunity is greater than 25 kV/μs.
- What package type is the ADUM1201WURZ33 available in?
The ADUM1201WURZ33 is available in an 8-SOIC package.
- Does the ADUM1201WURZ33 have a refresh feature?
Yes, it includes a patented refresh feature to ensure dc correctness.
- What are some typical applications of the ADUM1201WURZ33?
Typical applications include size-critical multichannel isolation, SPI interface/data converter isolation, RS-232/RS-422/RS-485 transceiver isolation, and digital field bus isolation.
