Overview
The ADuM1280ARZ is a 3 kV RMS dual-channel digital isolator produced by Analog Devices, Inc. It is based on the iCoupler® technology, which combines high-speed CMOS and monolithic air core transformer technology. This isolation component offers superior performance characteristics compared to optocoupler devices and other integrated couplers. The ADuM1280ARZ features a patented refresh mechanism that ensures DC correctness even in the absence of input logic transitions. It is designed for various applications, including general-purpose multichannel isolation, data converter isolation, industrial field bus isolation, and use in hybrid electric vehicles, battery monitors, and motor drives. The component complies with several safety and regulatory standards, including UL recognition, CSA component acceptance, and VDE certificate of conformity.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 2 | |
| Maximum Data Rate | 1 Mbps | |
| Maximum Propagation Delay | 50 ns (at 5V) | |
| Supply Voltage Range | 3.135 V to 5.5 V | V |
| Package Type | 8-lead SOIC-N | |
| Operating Temperature Range | -40°C to +125°C | °C |
| Common-Mode Transient Immunity | >25 kV/μs | |
| Isolation Voltage | 3 kV RMS |
Key Features
- High-speed CMOS and monolithic air core transformer technology for superior performance.
- Patented refresh feature ensuring DC correctness in the absence of input logic transitions.
- Low dynamic power consumption.
- Bidirectional communication capability.
- 3.3 V to 5 V level translation.
- High common-mode transient immunity: >25 kV/μs.
- Default high output.
- Narrow body, RoHS-compliant, 8-lead SOIC package.
- Qualified for automotive applications.
Applications
- General-purpose multichannel isolation.
- Data converter isolation.
- Industrial field bus isolation.
- Hybrid electric vehicles.
- Battery monitors.
- Motor drives.
Q & A
- Q: What is the maximum data rate of the ADuM1280ARZ?
A: The maximum data rate of the ADuM1280ARZ is 1 Mbps. - Q: What is the propagation delay of the ADuM1280ARZ at 5V?
A: The maximum propagation delay at 5V is 50 ns. - Q: What is the operating temperature range of the ADuM1280ARZ?
A: The operating temperature range is from -40°C to +125°C. - Q: What is the common-mode transient immunity of the ADuM1280ARZ?
A: The common-mode transient immunity is greater than 25 kV/μs. - Q: Does the ADuM1280ARZ support bidirectional communication?
A: Yes, the ADuM1280ARZ supports bidirectional communication. - Q: What is the isolation voltage of the ADuM1280ARZ?
A: The isolation voltage is 3 kV RMS. - Q: What package type is the ADuM1280ARZ available in?
A: The ADuM1280ARZ is available in an 8-lead SOIC-N package. - Q: Is the ADuM1280ARZ qualified for automotive applications?
A: Yes, the ADuM1280ARZ is qualified for automotive applications. - Q: What safety and regulatory standards does the ADuM1280ARZ comply with?
A: The ADuM1280ARZ complies with UL recognition, CSA component acceptance, VDE certificate of conformity, and DIN V VDE V 0884-10. - Q: What is the warranty period for the ADuM1280ARZ when purchased from Ovaga?
A: Ovaga offers a 1-year warranty on the ADuM1280ARZ.
