Overview
The ADUM1300CRWZ is a triple-channel digital isolator produced by Analog Devices Inc., utilizing the company's iCoupler® technology. This component combines high-speed CMOS and monolithic transformer technology to provide superior performance characteristics compared to traditional optocouplers. By eliminating the use of LEDs and photodiodes, the ADUM1300CRWZ avoids issues such as uncertain current transfer ratios, nonlinear transfer functions, and temperature and lifetime effects, ensuring stable and reliable digital signal transmission. The device is particularly useful in applications requiring high-speed data transfer and electrical isolation, making it a valuable component in various industrial, automotive, and communication systems.
Key Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Minimum Operating Supply Voltage (V) | 2.7 | Maximum Operating Supply Voltage (V) | 5.5 |
| Number of Channels | 3 | Maximum Data Rate | 90 Mbps |
| Maximum Propagation Delay | 13 ns (typical) | Maximum Pulse Width Distortion | 2 ns (typical) |
| Common Mode Transient Immunity (CMTI) | 25 kV/μs | Isolation Voltage (Vrms) | 2500 V |
| Package/Case | 16-lead wide body SOIC | ESD Protection | Yes |
| Automotive Qualified | Yes (ADuM1300W/ADuM1301W models) | Supply Current per Channel | 1.2 mA @ 0-2 Mbps, 3.5 mA @ 10 Mbps, 32 mA @ 90 Mbps |
Key Features
- High-speed digital isolation using iCoupler technology, eliminating the need for LEDs and photodiodes.
- Low power operation with supply current as low as 1.2 mA per channel at 0-2 Mbps data rates.
- Qualified for automotive applications with controlled manufacturing to support quality and reliability requirements.
- High common mode transient immunity (CMTI) of 25 kV/μs.
- Isolation voltage of 2500 Vrms.
- No external drivers or discrete components required.
Applications
- General-purpose multichannel isolation.
- SPI interface/data converter isolation.
- RS-232/RS-422/RS-485 transceivers.
- Industrial field bus isolation.
- Automotive systems, including CAN, audio, and Ethernet interfaces.
Q & A
- Q: What is the ADUM1300CRWZ used for?
A: The ADUM1300CRWZ is a triple-channel digital isolator used to provide secure electrical separation between different circuits while maintaining high-speed communication. It is valuable in various industrial, automotive, and communication systems.
- Q: What are the key advantages of using the ADUM1300CRWZ over traditional optocouplers?
A: The ADUM1300CRWZ avoids issues such as uncertain current transfer ratios, nonlinear transfer functions, and temperature and lifetime effects associated with optocouplers. It also consumes significantly less power and does not require external drivers or discrete components.
- Q: What is the maximum data rate supported by the ADUM1300CRWZ?
A: The ADUM1300CRWZ supports a maximum data rate of 90 Mbps.
- Q: Is the ADUM1300CRWZ qualified for automotive applications?
A: Yes, the ADUM1300W and ADUM1301W models are qualified for automotive applications with controlled manufacturing to support quality and reliability requirements.
- Q: What is the common mode transient immunity (CMTI) of the ADUM1300CRWZ?
A: The ADUM1300CRWZ has a CMTI of 25 kV/μs.
- Q: What is the isolation voltage of the ADUM1300CRWZ?
A: The isolation voltage of the ADUM1300CRWZ is 2500 Vrms.
- Q: How much power does the ADUM1300CRWZ consume per channel at different data rates?
A: The supply current per channel is 1.2 mA at 0-2 Mbps, 3.5 mA at 10 Mbps, and 32 mA at 90 Mbps.
- Q: What package type is the ADUM1300CRWZ available in?
A: The ADUM1300CRWZ is available in a 16-lead wide body SOIC package.
- Q: Does the ADUM1300CRWZ have ESD protection?
A: Yes, the ADUM1300CRWZ has ESD protection.
- Q: Where can I find detailed information and application notes for the ADUM1300CRWZ?
A: Detailed information, application notes, and datasheets can be found on the Analog Devices website or through authorized distributors like Digi-Key and Ovaga Technologies.
