Overview
The ADUM1281WARZ-RL7 is a dual-channel digital isolator produced by Analog Devices Inc. This component utilizes Analog Devices' iCoupler® technology, combining high-speed CMOS and monolithic air core transformer technology to provide superior performance characteristics compared to optocoupler devices and other integrated couplers.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|---|
| Data Rate | - | - | 100 | Mbps | NRZ | |
| Propagation Delay | - | 23 | - | ns | Typical | |
| Pulse Width Distortion | - | - | 2 | ns | C grade | |
| Channel-to-Channel Matching | - | - | 5 | ns | C grade | |
| Supply Voltage | VDD | 3.3 | - | 5 | V | |
| Operating Temperature | - | - | 125 | °C | Maximum | |
| Common-Mode Transient Immunity | - | - | >25 | kV/μs | - | |
| Input-to-Output Resistance | RI-O | 1013 | - | - | Ω | - |
| Input-to-Output Capacitance | CI-O | - | 2 | - | pF | f = 1 MHz |
| Input Capacitance | CI | - | 4.0 | - | pF | From any input data pin to ground |
Key Features
- High-speed data rate 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)
- Narrow body, RoHS-compliant, 8-lead SOIC package
- Safety and regulatory approvals: UL recognition, CSA Component Acceptance Notice 5A, VDE Certificate of Conformity
- Qualified for automotive applications
Applications
- General-purpose multichannel isolation
- Data converter isolation
- Industrial field bus isolation
- Hybrid electric vehicles, battery monitor, and motor drive
- Automotive interfaces (CAN, Audio, Ethernet)
- Industrial I/O and IO-Link
Q & A
- What is the ADUM1281WARZ-RL7 used for?
The ADUM1281WARZ-RL7 is a dual-channel digital isolator used for general-purpose multichannel isolation, data converter isolation, industrial field bus isolation, and various automotive applications.
- What is the maximum data rate of the ADUM1281WARZ-RL7?
The maximum data rate of the ADUM1281WARZ-RL7 is up to 100 Mbps (NRZ).
- What is the typical propagation delay of the ADUM1281WARZ-RL7?
The typical propagation delay of the ADUM1281WARZ-RL7 is 23 ns.
- What are the supply voltage options for the ADUM1281WARZ-RL7?
The ADUM1281WARZ-RL7 can operate with supply voltages ranging from 3.3 V to 5 V.
- What is the maximum operating temperature of the ADUM1281WARZ-RL7?
The maximum operating temperature of the ADUM1281WARZ-RL7 is 125°C.
- What is the common-mode transient immunity of the ADUM1281WARZ-RL7?
The ADUM1281WARZ-RL7 has a high common-mode transient immunity of >25 kV/μs.
- Is the ADUM1281WARZ-RL7 RoHS-compliant?
Yes, the ADUM1281WARZ-RL7 is RoHS-compliant and comes in a narrow body, 8-lead SOIC package.
- What safety and regulatory approvals does the ADUM1281WARZ-RL7 have?
The ADUM1281WARZ-RL7 has UL recognition, CSA Component Acceptance Notice 5A, and VDE Certificate of Conformity.
- Is the ADUM1281WARZ-RL7 suitable for automotive applications?
Yes, the ADUM1281WARZ-RL7 is qualified for automotive applications.
- What package type does the ADUM1281WARZ-RL7 come in?
The ADUM1281WARZ-RL7 comes in a narrow body, 8-lead SOIC package.
