Overview
The ADUM3201WBRZ-RL7, produced by Analog Devices Inc., is a dual-channel digital isolator based on the iCoupler technology. This component combines high-speed CMOS and monolithic transformer technology to provide superior performance characteristics compared to traditional optocoupler devices. It eliminates the design difficulties associated with optocouplers, such as uncertain current transfer ratios, nonlinear transfer functions, and temperature and lifetime effects. The ADUM3201WBRZ-RL7 operates with 3.3 V and 5 V supply voltages, supporting high data rates and providing precise timing characteristics and high common-mode transient immunity.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|---|
| Data Rate | - | 10 | 25 | Mbps | Within PWD limit | |
| Propagation Delay | tPHL, tPLH | 15 | 50 | ns | 50% input to 50% output | |
| Pulse Width Distortion | PWD | 3 | 3 | ns | |tPLH − tPHL| for ADuM3200 | |
| Power Consumption (per channel) | IDDI(D), IDDO(D) | 1.5 mA @ 0-2 Mbps | 2.5 mA @ 10 Mbps | 5.2 mA @ 25 Mbps | mA | Dynamic input/output supply current |
| Common-Mode Transient Immunity | |CM| | 25 | 35 | kV/μs | VIx = VDDX, VCM = 1000 V, transient magnitude = 800 V | |
| Operating Temperature | TA | -40 | - | 105 | °C | - |
Key Features
- High-Speed Data Transfer: Supports data rates from dc to 25 Mbps (NRZ).
- Precise Timing Characteristics: Maximum pulse width distortion of 3 ns and maximum channel-to-channel matching of 3 ns.
- Low Power Consumption: Consumes one-tenth to one-sixth the power of optocouplers at comparable signal data rates.
- High Common-Mode Transient Immunity: >25 kV/μs common-mode transient immunity.
- Bidirectional Communication and Level Translation: Supports 3.3 V/5 V level translation and bidirectional communication.
- Safety and Regulatory Approvals: UL recognition, CSA Component Acceptance Notice, and VDE Certificate of Conformity.
Applications
- Size-Critical Multichannel Isolation: Ideal for applications where space is limited.
- SPI Interface/Data Converter Isolation: Used in isolating SPI interfaces and data converters.
- RS-232/RS-422/RS-485 Transceiver Isolation: Suitable for isolating serial communication transceivers.
- Digital Field Bus Isolation: Used in industrial automation and field bus applications.
- Hybrid Electric Vehicles and Battery Monitoring: Qualified for automotive applications, including hybrid electric vehicles and battery monitoring systems.
Q & A
- What is the ADUM3201WBRZ-RL7?
The ADUM3201WBRZ-RL7 is a dual-channel digital isolator produced by Analog Devices Inc., based on the iCoupler technology.
- What are the key advantages of the ADUM3201WBRZ-RL7 over optocouplers?
The ADUM3201WBRZ-RL7 offers precise timing characteristics, low power consumption, and high common-mode transient immunity, eliminating the design difficulties associated with optocouplers.
- What are the supported data rates for the ADUM3201WBRZ-RL7?
The device supports data rates from dc to 25 Mbps (NRZ).
- What is the operating temperature range of the ADUM3201WBRZ-RL7?
The operating temperature range is from -40°C to 105°C.
- Does the ADUM3201WBRZ-RL7 support level translation?
Yes, it supports 3.3 V/5 V level translation.
- What safety and regulatory approvals does the ADUM3201WBRZ-RL7 have?
The device has UL recognition, CSA Component Acceptance Notice, and VDE Certificate of Conformity.
- What are some common applications of the ADUM3201WBRZ-RL7?
Common applications include size-critical multichannel isolation, SPI interface/data converter isolation, RS-232/RS-422/RS-485 transceiver isolation, digital field bus isolation, and automotive applications such as hybrid electric vehicles and battery monitoring.
- How does the ADUM3201WBRZ-RL7 consume power compared to optocouplers?
The ADUM3201WBRZ-RL7 consumes one-tenth to one-sixth the power of optocouplers at comparable signal data rates.
- What is the common-mode transient immunity of the ADUM3201WBRZ-RL7?
The device has a common-mode transient immunity of >25 kV/μs.
- Is the ADUM3201WBRZ-RL7 suitable for automotive applications?
Yes, it is qualified for automotive applications, including hybrid electric vehicles and battery monitoring systems.
