Overview
The ADUM3401BRWZ-RL is a 4-channel digital isolator produced by Analog Devices Inc., utilizing the iCoupler® technology. This component combines high-speed CMOS and monolithic air core transformer technology, offering superior performance compared to traditional optocoupler devices. The ADUM3401BRWZ-RL eliminates common optocoupler issues such as uncertain current transfer ratios, nonlinear transfer functions, and temperature and lifetime effects, providing stable and reliable digital interfaces. It is designed for low power operation and supports bidirectional communication with 3.3V/5V level translation.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 4 |
| Package Type | 16-lead SOIC-W |
| Maximum Data Rate | 10 Mbps |
| Supply Voltages (VDD1, VDD2) | 3.0 V to 3.6 V, 4.5 V to 5.5 V |
| Propagation Delay | 50 ns (max at 5V) |
| Pulse Width Distortion | 2 ns (max) |
| Channel-to-Channel Matching | 2 ns (max) |
| Common-Mode Transient Immunity | >25 kV/μs |
| Operating Temperature Range | -40°C to +105°C |
| Isolation Voltage | 2500 Vrms for 1 min (UL 1577, CSA, VDE certified) |
Key Features
- High-speed CMOS and monolithic air core transformer technology
- Low power operation, consuming one-tenth to one-sixth the power of optocouplers at comparable data rates
- Bidirectional communication with 3.3V/5V level translation
- Precise timing characteristics with 2 ns max pulse width distortion and 2 ns max channel-to-channel matching
- High common-mode transient immunity of >25 kV/μs
- Output enable function
- Enhanced system-level ESD performance per IEC 61000-4-x
- UL recognition: 2500 Vrms for 1 min per UL 1577, CSA component acceptance notice 5A, VDE certificate
Applications
- General-purpose multichannel isolation
- SPI/data converter isolation
- RS-232/RS-422/RS-485 transceivers
- Industrial field bus isolation
Q & A
- What is the ADUM3401BRWZ-RL used for?
The ADUM3401BRWZ-RL is a 4-channel digital isolator used for general-purpose multichannel isolation, SPI/data converter isolation, RS-232/RS-422/RS-485 transceivers, and industrial field bus isolation.
- What technology does the ADUM3401BRWZ-RL use?
The ADUM3401BRWZ-RL uses Analog Devices' iCoupler® technology, combining high-speed CMOS and monolithic air core transformer technology.
- What are the supply voltage ranges for the ADUM3401BRWZ-RL?
The supply voltage ranges are 3.0 V to 3.6 V and 4.5 V to 5.5 V for VDD1 and VDD2, respectively.
- What is the maximum data rate of the ADUM3401BRWZ-RL?
The maximum data rate is 10 Mbps.
- What is the propagation delay of the ADUM3401BRWZ-RL?
The maximum propagation delay is 50 ns at 5V.
- What is the common-mode transient immunity of the ADUM3401BRWZ-RL?
The common-mode transient immunity is >25 kV/μs.
- What are the operating temperature ranges for the ADUM3401BRWZ-RL?
The operating temperature range is -40°C to +105°C.
- Is the ADUM3401BRWZ-RL certified for isolation voltage?
Yes, it is certified for 2500 Vrms for 1 min per UL 1577, CSA, and VDE standards.
- Does the ADUM3401BRWZ-RL support bidirectional communication?
Yes, it supports bidirectional communication with 3.3V/5V level translation.
- What is the package type of the ADUM3401BRWZ-RL?
The package type is 16-lead SOIC-W.
