Overview
The ADUM3210WARZ is a dual-channel digital isolator produced by Analog Devices Inc. It is part of the ADuM3210/ADuM3211 series, which utilizes Analog Devices' iCoupler technology. This technology combines high-speed CMOS and monolithic transformer technology to provide superior performance compared to traditional optocouplers. The ADUM3210WARZ eliminates the need for external drivers and discrete components, reducing design complexity and power consumption. It operates with supply voltages of 3.3 V or 5 V on either side, enabling voltage translation across the isolation barrier.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Test Conditions |
|---|---|---|---|---|---|---|
| Data Rate | - | 1 | - | 25 | Mbps | Within PWD limit |
| Propagation Delay (tPHL, tPLH) | tPHL, tPLH | 15 | 55 | 55 | ns | 50% input to 50% output |
| Pulse Width Distortion (PWD) | PWD | 5 | 3 | 3 | ns | |tPLH − tPHL| |
| Change vs. Temperature | - | 6 | 5 | 5 | ps/°C | - |
| Pulse Width (PW) | PW | 1000 | - | 22 | ns | Within PWD limit |
| Propagation Delay Skew (tPSK) | tPSK | 29 | - | 22 | ns | Between any two units |
| Channel Matching Codirectional (tPSKCD) | tPSKCD | 5 | - | 3 | ns | - |
| Opposing Directional (tPSKOD) | tPSKOD | 29 | - | 20 | ns | - |
| Output Rise/Fall Time (tR/tF) | tR/tF | 3.0 | - | 3.0 | ns | 10% to 90% |
| Supply Current (IDD1) | IDD1 | 0.8 | 1.3 | 2.0 | mA | - |
| Supply Current (IDD2) | IDD2 | 0.7 | 1.0 | 1.1 | mA | - |
Key Features
- High-Speed Data Transfer: Supports data rates up to 25 Mbps.
- Dual-Channel Isolation: Provides two independent isolation channels.
- Low Power Consumption: Consumes one-tenth to one-sixth the power of optocouplers at comparable signal data rates.
- Voltage Translation: Operates with 3.3 V or 5 V supply voltages on either side, enabling voltage translation across the isolation barrier.
- Enhanced ESD Reliability: Designed with increased capability relative to system-level IEC 61000-4-x testing (ESD, burst, and surge).
- Automotive Grade: The ADuM3210WARZ model is qualified for 125°C operation, making it suitable for automotive applications.
Applications
- Industrial I/O: Suitable for industrial control systems and automation.
- Automotive Interfaces: Used in automotive systems such as CAN, audio, and Ethernet interfaces.
- Medical Devices: Applicable in medical devices requiring high isolation and low power consumption.
- RS-232 / RS-422 / RS-485 Interfaces: Used in serial communication interfaces.
- Powerline Communications: Utilized in powerline communication systems.
- Home and Building Automation: Suitable for home bus transceivers and other automation systems.
Q & A
- What is the maximum data rate supported by the ADUM3210WARZ?
The ADUM3210WARZ supports data rates up to 25 Mbps.
- How many isolation channels does the ADUM3210WARZ provide?
The ADUM3210WARZ provides two independent isolation channels.
- What are the supply voltage options for the ADUM3210WARZ?
The ADUM3210WARZ operates with 3.3 V or 5 V supply voltages on either side.
- Is the ADUM3210WARZ suitable for automotive applications?
Yes, the ADUM3210WARZ is an automotive-grade version qualified for 125°C operation.
- How does the ADUM3210WARZ compare to optocouplers in terms of power consumption?
The ADUM3210WARZ consumes one-tenth to one-sixth the power of optocouplers at comparable signal data rates.
- What is the propagation delay of the ADUM3210WARZ?
The propagation delay (tPHL, tPLH) is between 15 ns and 55 ns.
- Does the ADUM3210WARZ support voltage translation?
Yes, it supports voltage translation across the isolation barrier.
- What are the key advantages of using iCoupler technology in the ADUM3210WARZ?
iCoupler technology eliminates the use of LEDs and photodiodes, reducing design difficulties and providing stable performance characteristics.
- Is the ADUM3210WARZ designed for high ESD reliability?
Yes, it is designed with enhanced system-level ESD reliability relative to IEC 61000-4-x testing.
- What are some common applications of the ADUM3210WARZ?
Common applications include industrial I/O, automotive interfaces, medical devices, and serial communication interfaces.
