Overview
The ADUM1286BRZ-RL7 is a dual-channel digital isolator produced by Analog Devices Inc., utilizing the company's proprietary iCoupler® technology. This component combines high-speed CMOS and monolithic air core transformer technology to provide superior performance characteristics compared to traditional optocoupler devices and other integrated couplers. The ADUM1286 is designed for high-speed data transfer and robust isolation, making it suitable for a variety of industrial and automotive applications.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Test Conditions |
|---|---|---|---|---|---|---|
| Data Rate | - | - | 100 | Mbps | - | |
| Propagation Delay | - | 23 | - | ns | - | |
| Pulse Width Distortion | - | <2 | - | ns | C grade | |
| Channel-to-Channel Matching | - | 5 | - | ns | C grade | |
| Supply Voltage | VDDx | 3.3 | - | 5 | V | - |
| Quiescent Input Supply Current | IDDI(Q) | 0.54 | 0.8 | - | mA | - |
| Quiescent Output Supply Current | IDDO(Q) | 1.6 | 2.0 | - | mA | - |
| Dynamic Input Supply Current | IDDI(D) | 0.09 | - | - | mA/Mbps | - |
| Dynamic Output Supply Current | IDDO(D) | 0.04 | - | - | mA/Mbps | - |
| Output Rise/Fall Time | tR/tF | 2.5 | - | - | ns | 10% to 90% |
| Common-Mode Transient Immunity | - | - | >25 | kV/μs | - | |
| Operating Temperature | - | - | 125 | °C | - | |
| Input-to-Output Resistance | RI-O | 1013 | - | - | Ω | - |
| Input-to-Output Capacitance | CI-O | 2 | - | - | pF | f = 1 MHz |
Key Features
- High-speed data transfer up to 100 Mbps (NRZ)
- Low propagation delay of 23 ns typical
- Low dynamic power consumption
- Bidirectional communication capability
- 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 systems
- Automotive interfaces (CAN, Audio, Ethernet)
- IO-Link applications
- Industrial control systems
- Medical devices requiring high isolation
- Power supply and battery management systems
Q & A
- What is the ADUM1286BRZ-RL7 used for? The ADUM1286BRZ-RL7 is a dual-channel digital isolator used for high-speed data transfer and robust isolation in various industrial and automotive applications.
- What is the maximum data rate of the ADUM1286BRZ-RL7? The maximum data rate is up to 100 Mbps (NRZ).
- What is the typical propagation delay of the ADUM1286BRZ-RL7? The typical propagation delay is 23 ns.
- What are the supply voltage options for the ADUM1286BRZ-RL7? The component operates with supply voltages ranging from 3.3 V to 5 V.
- What is the operating temperature range of the ADUM1286BRZ-RL7? The operating temperature range is up to 125°C.
- Does the ADUM1286BRZ-RL7 support bidirectional communication? Yes, it supports bidirectional communication.
- What is the common-mode transient immunity of the ADUM1286BRZ-RL7? The common-mode transient immunity is greater than 25 kV/μs.
- What are some typical applications of the ADUM1286BRZ-RL7? Typical applications include industrial I/O systems, automotive interfaces, IO-Link applications, and medical devices requiring high isolation.
- How does the ADUM1286BRZ-RL7 compare to traditional optocouplers? The ADUM1286BRZ-RL7 offers superior performance characteristics, including higher speed and lower power consumption, compared to traditional optocouplers.
- What is the input-to-output resistance of the ADUM1286BRZ-RL7? The input-to-output resistance is 1013 Ω.
