Overview
The ADUM1412ARWZ-RL is a four-channel digital isolator produced by Analog Devices Inc., utilizing the proprietary iCoupler® technology. This component combines high-speed CMOS and monolithic air core transformer technologies to provide superior performance characteristics compared to traditional optocouplers. By eliminating the use of LEDs and photodiodes, the ADUM1412ARWZ-RL avoids common issues associated with optocouplers, such as uncertain current transfer ratios, nonlinear transfer functions, and temperature and lifetime effects. This results in stable and reliable digital isolation with high-speed data transfer capabilities.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 4 |
| Supply Voltage (VDD1 and VDD2) | 4.5 V to 5.5 V (5 V operation), 2.7 V to 3.6 V (3 V operation) |
| Data Rate | Up to 10 Mbps (NRZ) |
| Operating Temperature | -40°C to +105°C |
| Package Type | SOIC-16 (300 mil) |
| Isolation Voltage | Up to 5 kV rms for 1 minute (bipolar AC) |
| Insulation Lifetime | 50 years at rated voltage conditions |
Key Features
- High-Speed Data Transfer: Up to 10 Mbps data rate (NRZ) for reliable and fast communication.
- Level Translation: Supports 3 V and 5 V level translation, enabling seamless communication between different voltage domains.
- Low Power Operation: Efficient power consumption, making it suitable for a wide range of applications.
- High Temperature Operation: Operates reliably from -40°C to +105°C, making it ideal for harsh environments.
- Magnetic Field Immunity: Resistant to magnetic field interference, ensuring stable operation in noisy environments.
- Watchdog Timer: Automatically sets the output to a default state if the input side is unpowered or nonfunctional.
Applications
- Automotive Interfaces: Suitable for CAN, audio, and Ethernet interfaces in automotive systems.
- Industrial I/O: Used in industrial control systems for reliable isolation and communication.
- IO-Link: Compatible with IO-Link protocols for industrial automation.
- RS-232 / RS-422 / RS-485: Applicable in serial communication systems requiring isolation.
- Signal Line Protection: Provides isolation and protection for signal lines in various applications.
Q & A
- What is the ADUM1412ARWZ-RL used for?
The ADUM1412ARWZ-RL is a four-channel digital isolator used for isolating and transferring digital signals between different voltage domains while providing high-speed data transfer and reliable operation. - What are the key advantages of using iCoupler technology?
iCoupler technology eliminates the use of LEDs and photodiodes, avoiding issues like uncertain current transfer ratios, nonlinear transfer functions, and temperature and lifetime effects associated with optocouplers. - What are the operating voltage ranges for the ADUM1412ARWZ-RL?
The component operates within 4.5 V to 5.5 V for 5 V operation and 2.7 V to 3.6 V for 3 V operation. - What is the maximum data rate supported by the ADUM1412ARWZ-RL?
The ADUM1412ARWZ-RL supports up to 10 Mbps data rate (NRZ). - What is the operating temperature range of the ADUM1412ARWZ-RL?
The component operates from -40°C to +105°C. - What is the isolation voltage rating of the ADUM1412ARWZ-RL?
The isolation voltage rating is up to 5 kV rms for 1 minute (bipolar AC). - How long is the expected insulation lifetime of the ADUM1412ARWZ-RL?
The expected insulation lifetime is 50 years at rated voltage conditions. - Is the ADUM1412ARWZ-RL resistant to magnetic field interference?
Yes, the component is designed to be resistant to magnetic field interference. - What happens if the input side of the ADUM1412ARWZ-RL is unpowered or nonfunctional?
If the input side is unpowered or nonfunctional, the watchdog timer circuit forces the output to a default state. - In what types of applications is the ADUM1412ARWZ-RL commonly used?
The ADUM1412ARWZ-RL is commonly used in automotive interfaces, industrial I/O, IO-Link, and serial communication systems.
