Overview
The ADUM1201WURZ is a dual-channel digital isolator from Analog Devices Inc., utilizing the iCoupler® technology. This component combines high-speed CMOS and monolithic transformer technologies to provide superior performance compared to traditional optocouplers. It is designed to offer high data rates, low pulse width distortion, and tight channel-to-channel matching, making it suitable for a variety of applications requiring reliable and high-speed data isolation.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 2 | |
| Voltage - Supply | 2.7 V ~ 5.5 V | V |
| Voltage - Isolation | 2500 Vrms | V |
| Data Rate | Up to 1 Mbps | Mbps |
| Propagation Delay | 150 ns | ns |
| Pulse Width Distortion (Max) | 40 ns | ns |
| Common Mode Transient Immunity (Min) | 25 kV/μs | kV/μs |
| Operating Temperature | -40°C ~ 105°C | °C |
| Package | 8-SOIC (0.154", 3.90mm Width) | |
| Mounting Type | Surface Mount |
Key Features
- High-Speed Data Transfer: Supports data rates up to 1 Mbps.
- Low Pulse Width Distortion: Ensures accurate timing with a maximum pulse width distortion of 40 ns.
- Tight Channel-to-Channel Matching: Propagation delay skew of 100 ns.
- High Common-Mode Transient Immunity: Greater than 25 kV/μs.
- Voltage Translation: Supports 3 V and 5 V logic levels.
- Automotive Grade: Qualified for 125°C operation, suitable for automotive applications.
- Patented Refresh Feature: Ensures 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.
- SPI Interface/Data Converter Isolation: Used in SPI and data converter interfaces to ensure isolated communication.
- RS-232/RS-422/RS-485 Transceiver Isolation: Suitable for isolating serial communication interfaces.
- Digital Field Bus Isolation: Used in industrial field bus applications for reliable data isolation.
- Hybrid Electric Vehicles, Battery Monitor, and Motor Drive: Qualified for use in automotive and industrial control systems.
Q & A
- What is the ADUM1201WURZ used for?
The ADUM1201WURZ is a dual-channel digital isolator used for high-speed data isolation in various applications, including industrial, automotive, and communication systems. - What is the maximum data rate supported by the ADUM1201WURZ?
The ADUM1201WURZ supports data rates up to 1 Mbps. - What is the propagation delay of the ADUM1201WURZ?
The propagation delay is 150 ns. - What is the common-mode transient immunity of the ADUM1201WURZ?
The common-mode transient immunity is greater than 25 kV/μs. - What is the operating temperature range of the ADUM1201WURZ?
The operating temperature range is -40°C to 105°C. - Is the ADUM1201WURZ suitable for automotive applications?
Yes, it is qualified for 125°C operation and is suitable for automotive applications. - What package type does the ADUM1201WURZ come in?
The ADUM1201WURZ comes in an 8-SOIC package. - How does the ADUM1201WURZ ensure dc correctness?
The ADUM1201WURZ uses a patented refresh feature to ensure dc correctness in the absence of input logic transitions and during power-up/power-down conditions. - What is the voltage isolation rating of the ADUM1201WURZ?
The voltage isolation rating is 2500 Vrms. - Is the ADUM1201WURZ surface mountable?
Yes, it is a surface mount component.
