Overview
The ADUM226N0WBRIZ-RL is a dual-channel digital isolator produced by Analog Devices Inc., utilizing the company's iCoupler® technology. This device is designed to provide high common-mode transient immunity and robustness against radiated and conducted noise, making it suitable for a variety of applications requiring reliable signal isolation.
The ADUM226N0WBRIZ-RL operates with supply voltages ranging from 1.8 V to 5 V on both sides of the isolation barrier, enabling compatibility with lower voltage systems and voltage translation functionality. It features a maximum data rate of 150 Mbps and low propagation delay, ensuring high-speed data transfer with minimal signal distortion.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|---|
| Withstand Voltage | V_IORM | - | - | 5.0 kV rms | - | For 1 minute per UL 1577 |
| Supply Voltage | V_DD1, V_DD2 | 1.8 | - | 5.0 | V | - |
| Propagation Delay | t_PHL, t_PLH | 5.0 | - | 13 ns (5 V), 15 ns (1.8 V) | ns | - |
| Data Rate | - | - | - | 150 Mbps | - | - |
| Output Rise/Fall Time | t_R/t_F | - | - | 2.5 ns | ns | 10% to 90% |
| Supply Current Side 1 | IDD1 | 2.5 | 4.6 | 8.1 | mA | - |
| Supply Current Side 2 | IDD2 | 2.9 | 4.8 | 8.3 | mA | - |
| Package Type | - | - | - | 8-Pin SOIC | - | - |
Key Features
- High Common-Mode Transient Immunity: Up to 100 kV/µs, ensuring robust performance against noise.
- Low Propagation Delay: Maximum of 13 ns at 5 V operation and 15 ns at 1.8 V operation.
- High Data Rate: Supports up to 150 Mbps data transfer.
- Voltage Translation: Operates with supply voltages ranging from 1.8 V to 5 V on both sides of the isolation barrier.
- Fail-Safe Options: Outputs transition to a predetermined state when the input power supply is not applied or the inputs are disabled.
- Safety and Regulatory Approvals: UL recognition for 5000 V rms for 1 minute per UL 1577 and CSA certification per IEC 62368-1.
- RoHS Compliance: Ensures environmental sustainability.
Applications
- Industrial Control Systems: For isolating control signals in industrial environments.
- Medical Devices: To ensure patient safety by isolating high-voltage and low-voltage circuits.
- Automotive Systems: For reliable signal isolation in automotive applications.
- Power Supplies and DC-DC Converters: To isolate feedback signals and ensure safe operation.
- Data Acquisition Systems: For isolating analog and digital signals to prevent noise interference.
Q & A
- What is the maximum withstand voltage of the ADUM226N0WBRIZ-RL?
The maximum withstand voltage is 5.0 kV rms for 1 minute per UL 1577.
- What are the supported supply voltage ranges for this device?
The device operates with supply voltages ranging from 1.8 V to 5 V on both sides of the isolation barrier.
- What is the maximum data rate supported by the ADUM226N0WBRIZ-RL?
The device supports a maximum data rate of 150 Mbps.
- What is the propagation delay of the ADUM226N0WBRIZ-RL?
The propagation delay is a maximum of 13 ns at 5 V operation and 15 ns at 1.8 V operation.
- Does the ADUM226N0WBRIZ-RL have fail-safe options?
Yes, the device has fail-safe options where the outputs transition to a predetermined state when the input power supply is not applied or the inputs are disabled.
- What are the safety and regulatory approvals for this device?
The device has UL recognition for 5000 V rms for 1 minute per UL 1577 and CSA certification per IEC 62368-1.
- What is the package type of the ADUM226N0WBRIZ-RL?
The device is packaged in an 8-Pin SOIC.
- Is the ADUM226N0WBRIZ-RL RoHS compliant?
Yes, the device is RoHS compliant.
- What are some common applications for the ADUM226N0WBRIZ-RL?
Common applications include industrial control systems, medical devices, automotive systems, power supplies, and data acquisition systems.
- How does the ADUM226N0WBRIZ-RL ensure high common-mode transient immunity?
The device ensures high common-mode transient immunity up to 100 kV/µs.
