ADUM1401 Quad-Channel Digital Isolator (3/1 Channel Directionality)
The ADuM1401 is a quad-channel digital isolator with 3/1 channel directionality based on Analog Devices, Inc., iCoupler® technology. Combining high speed CMOS and monolithic air core transformer technology, these isolation components provide outstanding performance characteristics superior to alternatives, such as optocoupler devices.
By avoiding the use of LEDs and photodiodes, iCoupler devices remove the design difficulties commonly associated with opto-couplers. The typical optocoupler concerns regarding uncertain current transfer ratios, nonlinear transfer functions, and temperature and lifetime effects are eliminated with the simple iCoupler digital interfaces and stable performance characteristics.
The need for external drivers and other discrete components is eliminated with these iCoupler products. Furthermore, iCoupler devices consume one-tenth to one-sixth of the power of optocouplers at comparable signal data rates.
The ADuM1400/ADuM1401/ADuM1402 isolators provide four independent isolation channels in a variety of channel configurations and data rates (see the Ordering Guide in the data sheet). All models operate with the supply voltage on either side ranging from 2.7 V to 5.5 V, providing compatibility with lower voltage systems as well as enabling a voltage translation functionality across the isolation barrier. In addition, the ADuM1400/ADuM1401/ADuM1402 provide low pulse width distortion (<2 ns for CRW grade) and tight channel-to-channel matching (<2 ns for CRW grade). Unlike other optocoupler alternatives, the ADuM1400/ADuM1401/ADuM1402 isolators have a patented refresh feature that ensures dc correctness in the absence of input logic transitions and when power is not applied to one of the supplies.
Applications
- General-purpose multichannel isolation
- SPI interface/data converter isolation
- RS-232/RS-422/RS-485 transceivers
- Industrial field bus isolation
- Automotive systems
Features and Benefits- Qualified for automotive applications
- Low power operation
- Bidirectional communication
- 3 V/5 V level translation
- High temperature operation: 125°C
- High data rate: dc to 90 Mbps (NRZ)
- Precise timing characteristics
- High common-mode transient immunity:
>25 kV/μs - See data sheet for additional features
| Automotive- Powertrain Body and Chassis
IBIS ModelsReference Designs |
Data Sheets
Application Notes
User Guides
Frequently Asked Questions
Order Information
| Part Number | Package | Packing Qty | Temp Range | Price 100-499 | Price 1000+ | RoHS |
|---|
| ADUM1401ARWZ Production | 16 ld SOIC - Wide | OTH 47 | -40 to 105C | 1.96 | 1.7 | Y |
| ADUM1401ARWZ-RL Production | 16 ld SOIC - Wide | REEL 1000 | -40 to 105C | 0 | 1.7 | Y |
| ADUM1401BRWZ Production | 16 ld SOIC - Wide | OTH 47 | -40 to 105C | 2.54 | 2.2 | Y |
| ADUM1401BRWZ-RL Production | 16 ld SOIC - Wide | REEL 1000 | -40 to 105C | 0 | 2.2 | Y |
| ADUM1401CRW Production | 16 ld SOIC - Wide | OTH 47 | -40 to 105C | 5.7 | 5.04 | N |
| ADUM1401CRW-RL Production | 16 ld SOIC - Wide | REEL 1000 | -40 to 105C | 0 | 5.04 | N |
| ADUM1401CRWZ Production | 16 ld SOIC - Wide | OTH 47 | -40 to 105C | 2.96 | 2.45 | Y |
| ADUM1401CRWZ-RL Production | 16 ld SOIC - Wide | REEL 1000 | -40 to 105C | 0 | 2.45 | Y |
| ADUM1401WSRWZ Production | 16 ld SOIC - Wide | OTH 47 | -40 to 125C | 2.83 | 2.51 | Y |
| ADUM1401WSRWZ-RL Production | 16 ld SOIC - Wide | REEL 1000 | -40 to 125C | 0 | 2.51 | Y |
| ADUM1401WTRWZ Production | 16 ld SOIC - Wide | OTH 47 | -40 to 125C | 4.24 | 3.75 | Y |
| ADUM1401WTRWZ-RL Production | 16 ld SOIC - Wide | REEL 1000 | -40 to 125C | 0 | 3.75 | Y |
Evaluation Boards
| Part Number | Description | Price | RoHS |
|---|
| EVAL-3CH4CHSOICEBZ | 3 and 4 Channel Unpopulated SOIC Evaluation Board | 49 | Y |
| EVAL-ADUMQSEBZ | Evaluation Board | 25 | Y |
Reference Materials
