Overview
The ADUM1410BRWZ-RL is a four-channel digital isolator produced by Analog Devices Inc., utilizing the company's proprietary iCoupler® technology. This component combines high-speed CMOS and monolithic air core transformer technologies to provide superior isolation performance compared to traditional optocouplers. By avoiding the use of LEDs and photodiodes, the ADUM1410BRWZ-RL eliminates 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 signal isolation.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Operating Temperature Range | -40°C to +105°C | |
| 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) | |
| Propagation Delay (High to Low) | 13 ns (typical at 5 V) 23 ns (typical at 3 V) | TA = 25°C |
| Propagation Delay (Low to High) | 13 ns (typical at 5 V) 23 ns (typical at 3 V) | TA = 25°C |
| Pulse Width Distortion | 2 ns (maximum at 5 V) 3 ns (maximum at 3 V) | |
| Channel-to-Channel Matching | 2 ns (maximum) | |
| Insulation Voltage (50-year service life) | Varies by waveform type (bipolar ac, unipolar ac, dc) |
Key Features
- Four-channel digital isolation using iCoupler technology
- High-speed CMOS and monolithic air core transformer technologies
- Eliminates issues associated with optocouplers such as uncertain current transfer ratios and nonlinear transfer functions
- Stable performance characteristics over temperature and lifetime
- DC correctness and magnetic field immunity
- Watchdog timer circuit to ensure output default state in case of input side failure
Applications
- Industrial I/O systems
- Automotive interfaces (CAN, Audio, Ethernet)
- Medical devices requiring high isolation
- Industrial control systems
- RS-232 / RS-422 / RS-485 / RS-562 interfaces
- Signal line protection and isolation in various industrial and automotive applications
Q & A
- What is the ADUM1410BRWZ-RL used for?
The ADUM1410BRWZ-RL is used for four-channel digital signal isolation in various applications, including industrial I/O, automotive interfaces, and medical devices. - What technology does the ADUM1410BRWZ-RL use?
The ADUM1410BRWZ-RL uses Analog Devices' iCoupler technology, combining high-speed CMOS and monolithic air core transformer technologies. - What are the operating temperature and voltage ranges of the ADUM1410BRWZ-RL?
The operating temperature range is -40°C to +105°C, and the supply voltage ranges are 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 typical propagation delay of the ADUM1410BRWZ-RL?
The typical propagation delay is 13 ns for 5 V operation and 23 ns for 3 V operation at TA = 25°C. - How does the ADUM1410BRWZ-RL ensure DC correctness?
The ADUM1410BRWZ-RL ensures DC correctness through periodic refresh pulses sent to the decoder, and a watchdog timer circuit that forces the output to a default state if no internal pulses are received for more than approximately 5 µs. - What is the insulation lifetime of the ADUM1410BRWZ-RL?
The insulation lifetime depends on the voltage waveform type imposed across the isolation and is designed to achieve a 50-year service life under specified conditions. - Is the ADUM1410BRWZ-RL immune to magnetic fields?
Yes, the ADUM1410BRWZ-RL has magnetic field immunity determined by the changing magnetic field's effect on the transformer's receiving coil. - What are some common applications of the ADUM1410BRWZ-RL?
Common applications include industrial I/O systems, automotive interfaces, medical devices, and signal line protection in various industrial and automotive applications. - How does the ADUM1410BRWZ-RL compare to traditional optocouplers?
The ADUM1410BRWZ-RL eliminates common issues associated with optocouplers, such as uncertain current transfer ratios and nonlinear transfer functions, providing stable and reliable digital signal isolation. - What is the significance of channel-to-channel matching in the ADUM1410BRWZ-RL?
Channel-to-channel matching refers to the maximum difference in propagation delay between channels within a single device, ensuring consistent performance across all channels.
