Overview
The ADUM2280ARIZ-RL, produced by Analog Devices Inc., is a 5 kV rms dual-channel digital isolator. This component is part of the ADuM228x family, which utilizes Analog Devices' iCoupler® technology. This technology combines high-speed CMOS and monolithic air core transformer technology to provide superior performance characteristics compared to optocoupler devices and other integrated couplers. The ADUM2280ARIZ-RL is designed to offer high isolation voltage, low propagation delay, and low dynamic power consumption, making it suitable for a variety of high-voltage and high-speed applications.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Test Conditions |
|---|---|---|---|---|---|---|
| Isolation Voltage | V_{ISO} | - | - | 5000 | V rms | - |
| Data Rate | - | - | - | 100 | Mbps | - |
| Propagation Delay | t_{P} | - | - | 24 | ns | - |
| Quiescent Input Supply Current | IDDI(Q) | 0.4 | 0.6 | 0.8 | mA | - |
| Quiescent Output Supply Current | IDDO(Q) | 1.2 | 1.7 | 2.0 | mA | - |
| Dynamic Input Supply Current | IDDI(D) | - | 0.08 | - | mA/Mbps | - |
| Dynamic Output Supply Current | IDDO(D) | - | 0.015 | - | mA/Mbps | - |
| Output Rise/Fall Time | t_{R}/t_{F} | 2.5 | - | 10 | ns | 10% to 90% |
| Common-Mode Transient Immunity | |CM| | 25 | - | 35 | kV/μs | - |
Key Features
- High Isolation Voltage: 5000 V rms, ensuring high safety and reliability in high-voltage applications.
- High Data Rate: Up to 100 Mbps, suitable for high-speed data transmission.
- Low Propagation Delay: Maximum of 24 ns, minimizing signal delay.
- Low Dynamic Power Consumption: Efficient power usage, especially in battery-powered devices.
- Bidirectional Communication: Supports bidirectional data transfer.
- 3 V to 5 V Level Translation: Compatible with both 3 V and 5 V logic levels.
- High Temperature Operation: Operates up to 125°C, making it suitable for harsh environments.
- High Common-Mode Transient Immunity: Greater than 25 kV/μs, providing robust protection against transient voltages.
- Default Output States: Default high output for ADuM2280/ADuM2281 and default low output for ADuM2285/ADuM2286.
- Safety and Regulatory Approvals: UL recognition, CSA certification, VDE Certificate of Conformity, and compliance with various IEC standards.
- Pin-Compatible with ADuM220x and ADuM221x Families: Easy migration and compatibility with other Analog Devices isolator families.
Applications
- General-Purpose, High Voltage, Multichannel Isolation: Suitable for various applications requiring high isolation and data integrity.
- Medical Equipment: Used in medical devices where high isolation is critical for patient safety.
- Power Supplies: Ensures safe and reliable operation in power supply units.
- RS-232/RS-422/RS-485 Transceiver Isolation: Ideal for isolating serial communication interfaces.
Q & A
- What is the isolation voltage of the ADUM2280ARIZ-RL?
The isolation voltage is 5000 V rms.
- What is the maximum data rate supported by the ADUM2280ARIZ-RL?
The maximum data rate is up to 100 Mbps.
- What is the propagation delay of the ADUM2280ARIZ-RL?
The propagation delay is a maximum of 24 ns.
- Does the ADUM2280ARIZ-RL support bidirectional communication?
Yes, it supports bidirectional data transfer.
- What are the default output states for the ADuM2280 and ADuM2285 models?
The ADuM2280 has a default high output, while the ADuM2285 has a default low output.
- What are the safety and regulatory approvals for the ADUM2280ARIZ-RL?
It has UL recognition, CSA certification, VDE Certificate of Conformity, and compliance with various IEC standards.
- Is the ADUM2280ARIZ-RL pin-compatible with other Analog Devices isolator families?
Yes, it is pin-compatible with the ADuM220x and ADuM221x families.
- What is the maximum operating temperature of the ADUM2280ARIZ-RL?
The maximum operating temperature is 125°C.
- What is the common-mode transient immunity of the ADUM2280ARIZ-RL?
The common-mode transient immunity is greater than 25 kV/μs.
- What package type is used for the ADUM2280ARIZ-RL?
It uses a 16-lead SOIC wide body enhanced creepage package.
