Overview
The ADUM1301ARW is a triple-channel digital isolator produced by Analog Devices Inc., utilizing the company's proprietary iCoupler technology. This device combines high-speed CMOS and monolithic transformer technology to provide superior performance compared to traditional optocouplers. By eliminating the use of LEDs and photodiodes, the ADUM1301ARW avoids issues such as uncertain current transfer ratios, nonlinear transfer functions, and temperature and lifetime effects, ensuring stable and reliable operation. This isolator is designed to simplify design processes by integrating necessary components, reducing the need for external drivers and discrete components, and consuming significantly less power than optocouplers at comparable data rates.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Number of Channels | 3 | |
| Maximum Data Rate | 1 Mbps | |
| Maximum Propagation Delay | 13 ns (typical) | VDD1 = VDD2 = 3.0 V, TA = 25°C |
| Maximum Pulse Width Distortion | 2 ns (typical) | VDD1 = VDD2 = 3.0 V, TA = 25°C |
| Supply Voltage Range | 3.0 V to 3.6 V (VDD1 and VDD2) | |
| Supply Current | 1.2 mA (typical) at 1 Mbps data rate | VDD1 = VDD2 = 3.0 V, TA = 25°C |
| Isolation Voltage | 2500 Vrms | |
| Common Mode Transient Immunity (CMTI) | 25 kV/μs | |
| Package Type | 16-lead wide body SOIC |
Key Features
- High-Speed Operation: Supports data rates up to 1 Mbps.
- Low Power Consumption: Consumes significantly less power compared to optocouplers.
- High Isolation Voltage: Provides 2500 Vrms isolation voltage.
- Common Mode Transient Immunity (CMTI): Offers 25 kV/μs CMTI for robust noise immunity.
- Automotive Grade: Available in automotive grade versions (ADuM1301W) with controlled manufacturing for automotive applications.
- Simplified Design: Eliminates the need for external drivers and discrete components, simplifying the design process.
Applications
- Industrial I/O Systems: Suitable for industrial control systems requiring high isolation and low power consumption.
- Automotive Interfaces: Used in automotive applications such as CAN, audio, and Ethernet interfaces due to its automotive grade versions.
- Medical Devices: Applicable in medical devices where high isolation and reliability are critical.
- Power Supply and Motor Control: Used in power supply and motor control systems to ensure safe and reliable operation.
- General Purpose Isolation: Can be used in various general-purpose isolation applications requiring high-speed data transfer and low power consumption.
Q & A
- What is the ADUM1301ARW used for?
The ADUM1301ARW is a triple-channel digital isolator used to provide electrical isolation between different parts of a system while allowing high-speed data transfer.
- What is the maximum data rate of the ADUM1301ARW?
The maximum data rate of the ADUM1301ARW is 1 Mbps.
- What is the isolation voltage of the ADUM1301ARW?
The isolation voltage of the ADUM1301ARW is 2500 Vrms.
- What is the common mode transient immunity (CMTI) of the ADUM1301ARW?
The CMTI of the ADUM1301ARW is 25 kV/μs.
- Is the ADUM1301ARW suitable for automotive applications?
- What package type does the ADUM1301ARW come in?
The ADUM1301ARW comes in a 16-lead wide body SOIC package.
- How does the ADUM1301ARW compare to optocouplers in terms of power consumption?
The ADUM1301ARW consumes significantly less power compared to optocouplers at comparable data rates.
- What are the supply voltage ranges for the ADUM1301ARW?
The supply voltage ranges for the ADUM1301ARW are 3.0 V to 3.6 V for both VDD1 and VDD2.
- What is the typical propagation delay of the ADUM1301ARW?
The typical propagation delay of the ADUM1301ARW is 13 ns.
- How does the ADUM1301ARW simplify the design process?
The ADUM1301ARW simplifies the design process by eliminating the need for external drivers and discrete components.
