Overview
The ADUM231E0BRWZ-RL is a triple-channel digital isolator produced by Analog Devices Inc., utilizing their proprietary iCoupler® technology. This component combines high-speed, complementary metal-oxide semiconductor (CMOS), and monolithic air core transformer technology to provide superior performance characteristics compared to optocoupler devices and other integrated couplers. It is designed to offer high reliability and safety in various industrial and general-purpose isolation applications.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|---|
| Supply Voltage | VDDx | 1.8 | - | 5 | V | Operation range on either side |
| Supply Current Side 1 | IDD1 | 4.3 | 7.0 | 10.0 | mA | Maximum at 5 V operation |
| Supply Current Side 2 | IDD2 | 3.3 | 5.5 | 8.6 | mA | Maximum at 5 V operation |
| Propagation Delay | - | - | 13 ns | ns | Maximum at 5 V operation | |
| Pulse Width Distortion | - | - | 3 ns | ns | At 5 V operation | |
| Channel Matching | - | - | 3.0 ns | ns | Maximum | |
| Rated Dielectric Insulation Voltage | - | - | 5000 V rms | V rms | 1-minute duration | |
| Minimum External Air Gap (Clearance) | L (I01) | - | - | 7.8 mm | mm | Measured from input terminals to output terminals |
Key Features
- High-Speed Operation: Maximum propagation delay of 13 ns and pulse width distortion of less than 3 ns at 5 V operation.
- Low Dynamic Power Consumption: Efficient power usage with supply currents ranging from 4.3 mA to 10.0 mA on each side.
- Fail-Safe High or Low Options: Ensures reliable operation in case of input failure.
- High Temperature Operation: Capable of operating up to 125°C.
- Voltage Translation: Operates with supply voltages from 1.8 V to 5 V on either side, enabling voltage translation across the isolation barrier.
- Safety and Regulatory Approvals: UL recognition, CSA Component Acceptance Notice, VDE certificate of conformity, and CQC certification.
- RoHS Compliant: Packaged in a 16-lead SOIC package, compliant with RoHS standards.
Applications
- General-Purpose Multichannel Isolation: Suitable for various isolation needs in industrial and general-purpose applications.
- Serial Peripheral Interface (SPI)/Data Converter Isolation: Ideal for isolating SPI and data converter interfaces.
- Industrial Field Bus Isolation: Used in industrial field bus systems to ensure reliable and isolated communication.
Q & A
- What is the ADUM231E0BRWZ-RL used for?
The ADUM231E0BRWZ-RL is a triple-channel digital isolator used for general-purpose multichannel isolation, SPI/data converter isolation, and industrial field bus isolation.
- What is the maximum propagation delay of the ADUM231E0BRWZ-RL?
The maximum propagation delay is 13 ns at 5 V operation.
- What is the rated dielectric insulation voltage of the ADUM231E0BRWZ-RL?
The rated dielectric insulation voltage is 5000 V rms for 1 minute.
- What is the operating temperature range of the ADUM231E0BRWZ-RL?
The component can operate up to 125°C.
- Is the ADUM231E0BRWZ-RL RoHS compliant?
Yes, the ADUM231E0BRWZ-RL is RoHS compliant and packaged in a 16-lead SOIC package.
- What are the supply voltage ranges for the ADUM231E0BRWZ-RL?
The supply voltage ranges from 1.8 V to 5 V on either side.
- Does the ADUM231E0BRWZ-RL support voltage translation?
Yes, it supports voltage translation across the isolation barrier.
- What are the safety and regulatory approvals for the ADUM231E0BRWZ-RL?
The component has UL recognition, CSA Component Acceptance Notice, VDE certificate of conformity, and CQC certification.
- What is the minimum external air gap (clearance) for the ADUM231E0BRWZ-RL?
The minimum external air gap is 7.8 mm.
- How does the ADUM231E0BRWZ-RL handle input failure?
The component has fail-safe high or low options to ensure reliable operation in case of input failure.
