Overview
The ADUM1280BRZ-RL7, produced by Analog Devices Inc., is a dual-channel digital isolator based on the company's iCoupler® technology. This component combines high-speed CMOS and monolithic air core transformer technology to provide superior performance characteristics compared to alternatives like optocoupler devices and other integrated couplers. It is designed for high-speed data transmission and isolation, making it suitable for a variety of applications requiring reliable and high-performance digital isolation.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Test Conditions |
|---|---|---|---|---|---|---|
| Supply Current (No Load) | IDD1 | 1.1 | 1.6 | 6.2 | mA | - |
| Supply Current (No Load) | IDD2 | 2.7 | 4.5 | 4.8 | mA | - |
| Logic High Input Threshold | VIH | 0.7 VDDx | - | - | V | - |
| Logic Low Input Threshold | VIL | 0.3 VDDx | - | - | V | - |
| Logic High Output Voltages | VOH | VDDx - 0.1 | VDDx - 0.4 | - | V | IOx = -20 µA, VIx = VIxH |
| Logic Low Output Voltages | VOL | 0.0 | 0.1 | - | V | IOx = 20 µA, VIx = VIxL |
| Propagation Delay | - | - | 23 ns | - | ns | - |
| Common-Mode Transient Immunity | - | - | >25 kV/μs | - | kV/μs | - |
| Operating Temperature | - | - | 125°C | - | °C | - |
Key Features
- Up to 100 Mbps data rate (NRZ)
- Low propagation delay: 23 ns typical
- Low dynamic power consumption
- Bidirectional communication
- 3.3 V to 5 V level translation
- High temperature operation: up to 125°C
- High common-mode transient immunity: >25 kV/μs
- Tight channel-to-channel matching: 5 ns for C grade
Applications
- Industrial I/O and control systems
- Automotive interfaces (CAN, Audio, Ethernet)
- RS-232 / RS-422 / RS-485 / RS-562 interfaces
- Industrial automation and control systems
- Medical devices requiring high isolation
- Powerline communications
Q & A
- What is the ADUM1280BRZ-RL7 used for?
The ADUM1280BRZ-RL7 is used as a dual-channel digital isolator for high-speed data transmission and isolation in various applications. - What is the maximum data rate of the ADUM1280BRZ-RL7?
The maximum data rate is up to 100 Mbps (NRZ). - What is the typical propagation delay of the ADUM1280BRZ-RL7?
The typical propagation delay is 23 ns. - What is the operating temperature range of the ADUM1280BRZ-RL7?
The operating temperature range is up to 125°C. - Does the ADUM1280BRZ-RL7 support bidirectional communication?
Yes, it supports bidirectional communication. - What is the common-mode transient immunity of the ADUM1280BRZ-RL7?
The common-mode transient immunity is >25 kV/μs. - What are the supply voltage options for the ADUM1280BRZ-RL7?
The supply voltage options range from 3.3 V to 5 V. - Is the ADUM1280BRZ-RL7 suitable for automotive applications?
Yes, it is suitable for automotive interfaces such as CAN, Audio, and Ethernet. - What is the package type of the ADUM1280BRZ-RL7?
The package type is SOIC-8. - Is the ADUM1280BRZ-RL7 RoHS compliant?
Yes, it is RoHS compliant.
