Overview
The ADUM1201WURZ35, produced by Analog Devices Inc., is a dual-channel digital isolator that utilizes the company's iCoupler technology. This component is designed to provide high-speed, low-power, and reliable isolation for digital signals. It is particularly suited for applications requiring voltage translation across the isolation barrier and is available in an 8-SOIC package. The ADUM1201WURZ35 is also qualified for automotive use, supporting operation up to 125°C.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Test Conditions |
|---|---|---|---|---|---|---|
| Input Supply Current per Channel (Quiescent) | IDDI (Q) | 0.26 | 0.35 | 0.60 | mA | DC to 1 MHz logic signal freq., VDD1 = VDD2 = 3.0 V |
| Output Supply Current per Channel (Quiescent) | IDDO (Q) | 0.11 | 0.20 | 0.25 | mA | DC to 1 MHz logic signal freq., VDD1 = VDD2 = 3.0 V |
| Data Rate | 25 Mbps | CR Grade Only | ||||
| Maximum Operating Temperature | 125°C | |||||
| Isolation Voltage | 2500 Vrms | For 1 minute per UL 1577 | ||||
| Pulse Width Distortion | 3 ns | For CR Grade | ||||
| Channel-to-Channel Matching | 3 ns | For CR Grade | ||||
| Common-Mode Transient Immunity | 25 | 35 | kV/μs | Transient magnitude = 800 V |
Key Features
- Bidirectional Communication: Supports bidirectional data transfer across the isolation barrier.
- Voltage Translation: Enables 3 V/5 V level translation, making it versatile for different voltage systems.
- High Data Rate: Operates at data rates up to 25 Mbps (NRZ) for high-speed applications.
- Precise Timing Characteristics: Offers low pulse width distortion and tight channel-to-channel matching.
- High Common-Mode Transient Immunity: Provides immunity to common-mode transients greater than 25 kV/μs.
- Automotive Grade: Qualified for automotive applications with operation up to 125°C.
- Safety and Regulatory Approvals: Meets UL, CSA, and VDE safety standards.
Applications
- Size-Critical Multichannel Isolation: Ideal for applications where space is limited.
- SPI Interface/Data Converter Isolation: Suitable for isolating SPI interfaces and data converters.
- RS-232/RS-422/RS-485 Transceiver Isolation: Used in serial communication systems for isolation.
- Digital Field Bus Isolation: Applies to various digital field bus standards.
- Hybrid Electric Vehicles, Battery Monitor, and Motor Drive: Used in automotive systems for isolation and voltage translation.
Q & A
- What is the maximum data rate of the ADUM1201WURZ35?
The maximum data rate is 25 Mbps (NRZ) for the CR Grade.
- What is the maximum operating temperature of the ADUM1201WURZ35?
The maximum operating temperature is 125°C.
- What is the isolation voltage rating of the ADUM1201WURZ35?
The isolation voltage rating is 2500 Vrms for 1 minute per UL 1577.
- Does the ADUM1201WURZ35 support bidirectional communication?
Yes, it supports bidirectional communication across the isolation barrier.
- What is the common-mode transient immunity of the ADUM1201WURZ35?
The common-mode transient immunity is greater than 25 kV/μs.
- Is the ADUM1201WURZ35 qualified for automotive applications?
Yes, it is qualified for automotive applications and supports operation up to 125°C.
- What package type is the ADUM1201WURZ35 available in?
The ADUM1201WURZ35 is available in an 8-SOIC package.
- What are the typical input supply currents for the ADUM1201WURZ35 at quiescent state?
The typical input supply current per channel is 0.26 to 0.35 mA at quiescent state.
- Does the ADUM1201WURZ35 support voltage translation?
Yes, it supports 3 V/5 V level translation.
- What are some common applications of the ADUM1201WURZ35?
Common applications include size-critical multichannel isolation, SPI interface/data converter isolation, and RS-232/RS-422/RS-485 transceiver isolation.
