Overview
The ADuM1301ARW-RL is a triple-channel digital isolator produced by Analog Devices Inc., utilizing the company's proprietary iCoupler technology. This device combines high-speed CMOS and monolithic transformer technology to provide superior performance compared to traditional optocouplers. It eliminates the need for external drivers and discrete components, reducing design complexity and power consumption. The ADuM1301ARW-RL operates with supply voltages ranging from 2.7 V to 5.5 V on both sides, enabling voltage translation across the isolation barrier and compatibility with lower voltage systems.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Number of Channels | 3 | - |
| Maximum Data Rate | 1 Mbps | - |
| Supply Voltage Range | 2.7 V to 5.5 V | Both sides |
| Pulse Width Distortion | < 2 ns (CRW grade) | - |
| Channel-to-Channel Matching | < 2 ns (CRW grade) | - |
| Insulation Voltage | 2500 Vrms | - |
| Common Mode Transient Immunity (CMTI) | 25 kV/μs | - |
| Package Type | 16-lead wide body SOIC | - |
Key Features
- High-speed CMOS and monolithic transformer technology for superior performance.
- Eliminates the need for external drivers and discrete components.
- Low power consumption: one-tenth to one-sixth of the power of optocouplers at comparable data rates.
- Patented refresh feature ensures dc correctness in the absence of input logic transitions and when power is not applied to one of the supplies.
- Voltage translation capability across the isolation barrier.
- Automotive grade versions available (ADuM1301W) with controlled manufacturing for automotive applications.
Applications
- Industrial I/O and control systems.
- Automotive interfaces (CAN, audio, Ethernet).
- Medical devices requiring high isolation.
- Industrial automation and control systems.
- RS-232, RS-422, RS-485, and other serial communication interfaces.
Q & A
- What is the ADuM1301ARW-RL used for? The ADuM1301ARW-RL is a triple-channel digital isolator used to provide electrical isolation between different parts of a system while maintaining high-speed data transfer.
- What is the maximum data rate of the ADuM1301ARW-RL? The maximum data rate is 1 Mbps.
- What is the supply voltage range for the ADuM1301ARW-RL? The supply voltage range is from 2.7 V to 5.5 V on both sides.
- What is the pulse width distortion of the ADuM1301ARW-RL? The pulse width distortion is less than 2 ns for the CRW grade.
- Does the ADuM1301ARW-RL have automotive grade versions? Yes, the ADuM1301W is the automotive grade version.
- What is the common mode transient immunity (CMTI) of the ADuM1301ARW-RL? The CMTI is 25 kV/μs.
- What package type does the ADuM1301ARW-RL come in? It comes in a 16-lead wide body SOIC package.
- How does the ADuM1301ARW-RL compare to optocouplers in terms of power consumption? It consumes one-tenth to one-sixth of the power of optocouplers at comparable data rates.
- Does the ADuM1301ARW-RL require external drivers or discrete components? No, it does not require external drivers or discrete components.
- What is the insulation voltage of the ADuM1301ARW-RL? The insulation voltage is 2500 Vrms.
