Overview
The ADuM1402CRW is a quad-channel digital isolator produced by Analog Devices Inc., utilizing the company's iCoupler® technology. This device is designed to provide high-speed digital isolation, making it suitable for applications that require reliable and high-performance signal transmission across different voltage domains. The ADuM1402CRW features a 2/2 channel directionality, meaning it has two channels in each direction, allowing for bidirectional communication.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions |
|---|---|---|---|---|---|
| Number of Channels | - | - | 4 | - | - |
| Channel Directionality | - | - | 2/2 | - | - |
| Voltage - Isolation | - | - | 2500 Vrms | - | - |
| Common Mode Transient Immunity | - | - | 25 kV/μs | - | - |
| Data Rate | - | - | 90 Mbps | - | - |
| Propagation Delay (tpLH, tpHL) | - | - | 32 ns | - | CL = 15 pF, CMOS signal levels |
| Pulse Width Distortion | - | - | 2 ns | - | CL = 15 pF, CMOS signal levels |
| Rise / Fall Time | - | 2.5 ns | - | - | - |
| Voltage - Supply | 2.7 V | - | 5.5 V | - | - |
| Operating Temperature | -40°C | - | 105°C | - | - |
| Package / Case | - | - | 16-SOIC | - | - |
Key Features
- High-Speed Digital Isolation: The ADuM1402CRW supports data rates up to 90 Mbps, making it suitable for high-speed applications.
- Quad-Channel Isolation: Features four isolated channels with 2/2 directionality, allowing for bidirectional communication.
- High Isolation Voltage: Provides 2500 Vrms of isolation voltage, ensuring reliable signal transmission across different voltage domains.
- Low Propagation Delay: Offers propagation delays as low as 32 ns, which is crucial for applications requiring fast signal transmission.
- Low Pulse Width Distortion: Ensures minimal pulse width distortion of up to 2 ns, maintaining signal integrity.
- Wide Operating Temperature Range: Operates over a temperature range of -40°C to 105°C, making it suitable for various environmental conditions.
- Compact Packaging: Available in a 16-SOIC package, which is convenient for surface mount applications.
Applications
- Industrial I/O Systems: Used in industrial control systems where high-speed and reliable signal isolation is critical.
- Automotive Interfaces: Suitable for automotive applications such as CAN, audio, and Ethernet interfaces.
- Medical Devices: Applied in medical devices where isolation is necessary to ensure patient safety.
- Powerline Communications: Used in powerline communication systems to isolate signals from the power line.
- RS-232 / RS-422 / RS-485 Interfaces: Used in serial communication interfaces to provide isolation between different voltage domains.
Q & A
- What is the ADuM1402CRW used for?
The ADuM1402CRW is a quad-channel digital isolator used to provide high-speed digital isolation in various applications.
- What is the maximum data rate of the ADuM1402CRW?
The maximum data rate of the ADuM1402CRW is 90 Mbps.
- What is the isolation voltage of the ADuM1402CRW?
The ADuM1402CRW provides 2500 Vrms of isolation voltage.
- What is the propagation delay of the ADuM1402CRW?
The propagation delay of the ADuM1402CRW is up to 32 ns.
- What is the operating temperature range of the ADuM1402CRW?
The operating temperature range of the ADuM1402CRW is -40°C to 105°C.
- What package type is the ADuM1402CRW available in?
The ADuM1402CRW is available in a 16-SOIC package.
- Is the ADuM1402CRW suitable for automotive applications?
Yes, the ADuM1402CRW is suitable for automotive applications such as CAN, audio, and Ethernet interfaces.
- Does the ADuM1402CRW support bidirectional communication?
Yes, the ADuM1402CRW supports bidirectional communication with its 2/2 channel directionality.
- What is the common mode transient immunity of the ADuM1402CRW?
The common mode transient immunity of the ADuM1402CRW is 25 kV/μs.
- Is the ADuM1402CRW used in medical devices?
Yes, the ADuM1402CRW can be used in medical devices where isolation is necessary to ensure patient safety.
