Overview
The ADUM1280BRZ is a 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 to provide outstanding performance characteristics. This isolator is designed to offer superior isolation and data transfer capabilities compared to traditional optocoupler devices and other integrated couplers.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions |
|---|---|---|---|---|---|
| Data Rate | - | - | 25 Mbps | - | - |
| Propagation Delay | - | - | 35 ns | - | At 5V |
| Supply Voltage | 3.135 V | - | 5.5 V | - | - |
| Operating Temperature | -40°C | - | 125°C | - | - |
| Voltage Isolation | - | - | 3000 Vrms | - | - |
| Common Mode Transient Immunity | - | - | 25 kV/μs | - | - |
| Package Style | - | - | 8-lead SOIC-N | - | - |
Key Features
- High-speed data transfer up to 25 Mbps
- Low propagation delay of 35 ns (at 5V)
- Low dynamic power consumption
- Bidirectional communication capability
- 3.3 V to 5 V level translation
- High common-mode transient immunity of >25 kV/μs
- Operating temperature range of -40°C to 125°C
- RoHS compliant
Applications
- General-purpose multichannel isolation
- Data converter isolation
- Industrial field bus isolation
- Hybrid electric vehicles
- Battery monitoring
- Motor drive systems
Q & A
- What is the ADUM1280BRZ used for?
The ADUM1280BRZ is a dual-channel digital isolator used for isolating and transferring digital signals across different voltage domains while providing high-speed data transfer and robust isolation.
- What is the maximum data rate of the ADUM1280BRZ?
The maximum data rate of the ADUM1280BRZ is 25 Mbps.
- What is the propagation delay of the ADUM1280BRZ?
The propagation delay of the ADUM1280BRZ is up to 35 ns at 5V.
- What is the operating temperature range of the ADUM1280BRZ?
The operating temperature range of the ADUM1280BRZ is -40°C to 125°C.
- What is the voltage isolation rating of the ADUM1280BRZ?
The voltage isolation rating of the ADUM1280BRZ is 3000 Vrms.
- Is the ADUM1280BRZ RoHS compliant?
Yes, the ADUM1280BRZ is RoHS compliant.
- What package style does the ADUM1280BRZ come in?
The ADUM1280BRZ comes in an 8-lead SOIC-N package.
- What are some common applications of the ADUM1280BRZ?
Common applications include general-purpose multichannel isolation, data converter isolation, industrial field bus isolation, hybrid electric vehicles, battery monitoring, and motor drive systems.
- Does the ADUM1280BRZ support bidirectional communication?
Yes, the ADUM1280BRZ supports bidirectional communication.
- What is the common-mode transient immunity of the ADUM1280BRZ?
The common-mode transient immunity of the ADUM1280BRZ is >25 kV/μs.
