Overview
The ADUM3200ARZ, produced by Analog Devices Inc., is a dual-channel digital isolator that utilizes the company's iCoupler® technology. This component combines high-speed CMOS and monolithic transformer technology to provide superior performance characteristics compared to traditional optocoupler devices. By eliminating the use of LEDs and photodiodes, the ADUM3200ARZ avoids common optocoupler issues such as uncertain current transfer ratios, nonlinear transfer functions, and temperature and lifetime effects. This results in stable performance and reduced power consumption, making it an efficient solution for various isolation needs.
Key Specifications
| Parameter | Symbol | Value | Unit | Test Conditions/Comments |
|---|---|---|---|---|
| Data Rate | - | 1 Mbps, 10 Mbps, 25 Mbps | - | Depending on the grade (WA, WB, WC) |
| Propagation Delay | tPHL, tPLH | 20 ns to 150 ns | ns | 50% input to 50% output |
| Pulse Width Distortion | PWD | 3 ns | ns | Within PWD limit |
| Output Rise/Fall Time | tR/tF | 2.5 ns | ns | 10% to 90% |
| Common-Mode Transient Immunity | |CM| | 25 kV/µs to 35 kV/µs | kV/µs | VIx = VDDX, VCM = 1000 V, transient magnitude = 800 V |
| Supply Voltage | VDD1, VDD2 | 3.0 V to 5.5 V | V | Depending on the configuration (3.3 V or 5 V) |
| Package | - | 8-SOIC (0.154, 3.90mm Width) | - | - |
| Isolation Voltage | - | 2500 Vrms | Vrms | - |
Key Features
- High-Speed Data Transfer: Supports data rates up to 25 Mbps, making it suitable for high-speed applications.
- Low Power Consumption: Consumes significantly less power compared to optocouplers, with dynamic input and output supply currents as low as 0.19 mA/Mbps and 0.05 mA/Mbps, respectively.
- Enhanced System-Level ESD Reliability: Provides robust protection against electrostatic discharge.
- Stable Performance: Eliminates issues associated with optocouplers such as uncertain current transfer ratios and nonlinear transfer functions.
- Compact Package: Available in an 8-SOIC package, making it suitable for space-constrained designs.
Applications
- Industrial Control Systems: Used in isolation of control signals in industrial automation and control systems.
- Medical Devices: Suitable for medical devices requiring high isolation and low power consumption.
- Automotive Systems: Applied in automotive systems for signal isolation and protection against high voltage transients.
- Power Supplies and DC-DC Converters: Used to isolate feedback signals and control circuits in power supplies and DC-DC converters.
Q & A
- What is the ADUM3200ARZ used for?
The ADUM3200ARZ is a dual-channel digital isolator used to isolate digital signals in various applications, providing high-speed data transfer and enhanced system-level ESD reliability.
- What are the key advantages of the ADUM3200ARZ over optocouplers?
The ADUM3200ARZ offers stable performance, lower power consumption, and avoids issues such as uncertain current transfer ratios and nonlinear transfer functions associated with optocouplers.
- What are the supported data rates for the ADUM3200ARZ?
The ADUM3200ARZ supports data rates up to 25 Mbps, depending on the grade (WA, WB, WC).
- What is the typical propagation delay of the ADUM3200ARZ?
The typical propagation delay ranges from 20 ns to 150 ns, depending on the data rate and configuration.
- What is the isolation voltage rating of the ADUM3200ARZ?
The ADUM3200ARZ has an isolation voltage rating of 2500 Vrms.
- In what package is the ADUM3200ARZ available?
The ADUM3200ARZ is available in an 8-SOIC package.
- How does the ADUM3200ARZ consume power compared to optocouplers?
The ADUM3200ARZ consumes significantly less power than optocouplers, with dynamic supply currents as low as 0.19 mA/Mbps and 0.05 mA/Mbps for input and output, respectively.
- What are some common applications of the ADUM3200ARZ?
Common applications include industrial control systems, medical devices, automotive systems, and power supplies and DC-DC converters.
- What is the common-mode transient immunity of the ADUM3200ARZ?
The common-mode transient immunity is up to 35 kV/µs.
- What is the supply voltage range for the ADUM3200ARZ?
The supply voltage range is from 3.0 V to 5.5 V, depending on the configuration.
