Overview
The ADUM4402WBRWZ is a 4-channel digital isolator produced by Analog Devices Inc., utilizing the company's iCoupler technology. This device combines high-speed CMOS and monolithic air core transformer technology to provide reliable and high-performance digital isolation. It is designed to meet the demands of various industrial, automotive, and communication applications where data integrity and isolation are critical.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Test Conditions |
|---|---|---|---|---|---|---|
| Logic High Input Threshold | VIH | 2.0 | V | |||
| Logic Low Input Threshold | VIL | 0.8 | V | |||
| Logic High Output Voltage | VOH | VDDx - 0.1 | V | IOx = -20 µA, VIx = VIxH | ||
| Logic Low Output Voltage | VOL | 0.0 | 0.1 | V | IOx = 20 µA, VIx = VIxL | |
| Data Rate | 1 | 10 | 90 | Mbps | Within PWD limit | |
| Propagation Delay | tPHL, tPLH | 18 | 27 | 32 | ns | 50% input to 50% output |
| Pulse Width Distortion | PWD | 0.5 | 2 | ns | |tPLH - tPHL| | |
| Common-Mode Transient Immunity | |CM| | 25 | 35 | kV/µs | VIx = VDDx, VCM = 1000 V, transient magnitude = 800 V | |
| Supply Voltages | VDD1, VDD2 | 3.0 | 5.5 | V | ||
| Operating Temperature | TA | -40 | 105 | °C |
Key Features
- High-Speed Data Transfer: Supports data rates up to 90 Mbps, making it suitable for high-speed applications.
- Digital Isolation: Provides 5000 Vrms isolation voltage, ensuring reliable data transfer across isolated domains.
- Low Propagation Delay: Features propagation delays as low as 18 ns, ensuring minimal latency in data transmission.
- High Common-Mode Transient Immunity: Offers immunity to common-mode transients up to 35 kV/µs, enhancing reliability in noisy environments.
- Wide Operating Temperature Range: Operates over a temperature range of -40°C to +105°C, making it suitable for various environmental conditions.
- Multiple Channel Support: Includes four isolated channels, allowing for the isolation of multiple data lines.
Applications
- Industrial I/O: Used in industrial control systems, sensors, and actuators where isolation is critical.
- Automotive Interfaces: Suitable for automotive applications such as CAN, audio, and Ethernet interfaces.
- Communication Systems: Applied in various communication protocols like RS-232, RS-422, RS-485, and USB.
- Medical Devices: Used in medical equipment where isolation is necessary to ensure patient safety.
- Powerline Communications: Utilized in powerline communication systems for reliable data transfer over power lines.
Q & A
- What is the ADUM4402WBRWZ used for?
The ADUM4402WBRWZ is a 4-channel digital isolator used to provide high-speed digital isolation in various applications, ensuring data integrity and safety.
- What is the maximum data rate supported by the ADUM4402WBRWZ?
The ADUM4402WBRWZ supports data rates up to 90 Mbps.
- What is the isolation voltage of the ADUM4402WBRWZ?
The ADUM4402WBRWZ provides an isolation voltage of 5000 Vrms.
- What is the common-mode transient immunity of the ADUM4402WBRWZ?
The device offers common-mode transient immunity up to 35 kV/µs.
- What is the operating temperature range of the ADUM4402WBRWZ?
The operating temperature range is from -40°C to +105°C.
- How many isolated channels does the ADUM4402WBRWZ have?
The ADUM4402WBRWZ includes four isolated channels.
- What are some common applications of the ADUM4402WBRWZ?
Common applications include industrial I/O, automotive interfaces, communication systems, medical devices, and powerline communications.
- What is the package type of the ADUM4402WBRWZ?
The device is packaged in a 16-SOIC (0.295", 7.50mm Width) package.
- What are the supply voltage requirements for the ADUM4402WBRWZ?
The supply voltages (VDD1, VDD2) range from 3.0 V to 5.5 V.
- How does the ADUM4402WBRWZ ensure data integrity?
The device ensures data integrity through its high-speed digital isolation technology, minimizing propagation delay and providing high common-mode transient immunity.
