Overview
The ADUM226N0WBRIZ is a dual-channel digital isolator produced by Analog Devices Inc., leveraging the company's iCoupler® technology. This component combines high-speed, complementary metal-oxide semiconductor (CMOS) and monolithic air core transformer technology to provide superior isolation and performance characteristics. It is designed to offer high common-mode transient immunity, robustness to radiated and conducted noise, and low propagation delay, making it suitable for a wide range of applications requiring reliable and high-speed data transfer across isolation barriers.
Key Specifications
| Parameter | Symbol | Value | Unit | Test Conditions/Comments |
|---|---|---|---|---|
| Rated Dielectric Insulation Voltage | - | 5000 V rms | - | 1-minute duration |
| Minimum External Air Gap (Clearance) | L (I01) | 7.8 mm min | - | - |
| Propagation Delay | - | 13 ns (5 V), 15 ns (1.8 V) | - | - |
| Data Rate | - | 150 Mbps maximum | - | - |
| Supply Current (Side 1, 1 Mbps) | IDD1 | 2.4 - 4.7 mA | - | - |
| Supply Current (Side 2, 1 Mbps) | IDD2 | 2.8 - 4.8 mA | - | - |
| Output Rise/Fall Time | tR/tF | 2.5 ns (10% to 90%) | - | - |
| Undervoltage Lockout Positive Threshold | VDDxUV+ | 1.6 V | - | - |
| Undervoltage Lockout Negative Threshold | VDDxUV− | 1.5 V | - | - |
| Undervoltage Lockout Hysteresis | VDDxUVH | 0.1 V | - | - |
Key Features
- High Common-Mode Transient Immunity: 100 kV/µs, ensuring robust performance against transient noise.
- Low Propagation Delay: 13 ns maximum for 5 V operation and 15 ns maximum for 1.8 V operation, facilitating high-speed data transfer.
- High Data Rate: Up to 150 Mbps, making it suitable for high-speed applications.
- Safety and Regulatory Approvals: UL recognition for 5000 V rms for 1 minute per UL 1577 and CSA certification per IEC 62368-1.
- Robustness to Noise: High robustness to both radiated and conducted noise, ensuring reliable operation in noisy environments.
Applications
- Automotive Interfaces: CAN, audio, Ethernet, and other automotive communication protocols.
- Industrial I/O: Suitable for industrial control systems and interfaces.
- RS-232 / RS-422 / RS-485 / RS-562: Serial communication interfaces requiring isolation.
- USB Products: Isolation in USB applications to enhance safety and reliability.
- IO-Link and Local Interconnect Networks (LIN): Used in industrial automation and automotive networks.
Q & A
- What is the ADUM226N0WBRIZ used for?
The ADUM226N0WBRIZ is a dual-channel digital isolator used to provide electrical isolation and reliable high-speed data transfer between two circuits while protecting against noise and transient voltages.
- What is the maximum data rate of the ADUM226N0WBRIZ?
The maximum data rate is 150 Mbps.
- What are the key safety certifications of the ADUM226N0WBRIZ?
It has UL recognition for 5000 V rms for 1 minute per UL 1577 and CSA certification per IEC 62368-1.
- What is the propagation delay of the ADUM226N0WBRIZ?
The propagation delay is 13 ns maximum for 5 V operation and 15 ns maximum for 1.8 V operation.
- What is the common-mode transient immunity of the ADUM226N0WBRIZ?
The common-mode transient immunity is 100 kV/µs.
- What are some typical applications of the ADUM226N0WBRIZ?
Typical applications include automotive interfaces, industrial I/O, serial communication interfaces, USB products, and IO-Link and LIN networks.
- What technology does the ADUM226N0WBRIZ use for isolation?
The ADUM226N0WBRIZ uses Analog Devices' iCoupler® technology, which combines CMOS and monolithic air core transformer technology.
- What is the minimum external air gap required for the ADUM226N0WBRIZ?
The minimum external air gap (clearance) is 7.8 mm.
- How does the ADUM226N0WBRIZ handle undervoltage conditions?
The device features undervoltage lockout with positive and negative thresholds of 1.6 V and 1.5 V, respectively, and a hysteresis of 0.1 V.
- What is the output rise/fall time of the ADUM226N0WBRIZ?
The output rise/fall time is 2.5 ns (10% to 90%).
