Overview
The ADUM1300ARW-RL is a triple-channel digital isolator produced by Analog Devices Inc., utilizing their proprietary iCoupler® technology. This component combines high-speed CMOS and monolithic transformer technology to provide superior performance compared to traditional optocouplers. It eliminates the design challenges associated with optocouplers, such as uncertain current transfer ratios, nonlinear transfer functions, and temperature and lifetime effects. The ADUM1300ARW-RL operates with supply voltages ranging from 2.7 V to 5.5 V on both sides, enabling compatibility with lower voltage systems and voltage translation across the isolation barrier.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 3 |
| Polarity | Bidirectional |
| Isolation Type | Magnetic Coupling |
| Operating Supply Voltage | 2.7 V to 5.5 V |
| Operating Supply Current | 57 mA (typical for all three channels combined) |
| Propagation Delay | <2 ns (CRW grade) |
| Pulse Width Distortion | <2 ns (CRW grade) |
| Maximum Data Rate | Up to 90 Mbps |
| Temperature Range | -40°C to 125°C |
| Package Type | 16-lead wide body SOIC (RW-16) |
Key Features
- High-speed CMOS and monolithic transformer technology for superior performance.
- Eliminates the need for external drivers and discrete components.
- Low power consumption, one-tenth to one-sixth of optocouplers at comparable data rates.
- Patented refresh feature ensures dc correctness even in the absence of input logic transitions or power on one side.
- Tight channel-to-channel matching and low pulse width distortion.
- Automotive grade versions available for high reliability in automotive applications.
Applications
- Industrial I/O and control systems.
- Automotive interfaces (CAN, Audio, Ethernet).
- Medical devices requiring high isolation.
- Industrial automation and control systems.
- RS-232, RS-422, RS-485, and other serial communication interfaces.
- Powerline communications and signal line protection.
Q & A
- What is the ADUM1300ARW-RL used for? The ADUM1300ARW-RL is used as a triple-channel digital isolator to provide electrical isolation and data transfer between two different voltage domains.
- What technology does the ADUM1300ARW-RL use? It uses Analog Devices' iCoupler® technology, which combines high-speed CMOS and monolithic transformer technology.
- What are the operating supply voltage ranges for the ADUM1300ARW-RL? The operating supply voltage ranges from 2.7 V to 5.5 V on both sides.
- How many channels does the ADUM1300ARW-RL have? It has three independent isolation channels.
- What is the typical propagation delay of the ADUM1300ARW-RL? The typical propagation delay is less than 2 ns for the CRW grade.
- Is the ADUM1300ARW-RL suitable for automotive applications? Yes, automotive grade versions (ADuM1300W/ADuM1301W) are available and qualified for automotive applications.
- What is the maximum data rate of the ADUM1300ARW-RL? The maximum data rate is up to 90 Mbps.
- What package type is the ADUM1300ARW-RL available in? It is available in a 16-lead wide body SOIC package.
- What are the benefits of using iCoupler technology over optocouplers? iCoupler technology eliminates the need for LEDs and photodiodes, reducing power consumption and improving performance stability.
- Does the ADUM1300ARW-RL have any special features for ensuring dc correctness? Yes, it has a patented refresh feature that ensures dc correctness even in the absence of input logic transitions or power on one side.
