Overview
The ADUM1401ARWZ is a quad-channel digital isolator produced by Analog Devices Inc. This component utilizes Analog Devices' iCoupler® technology, which combines high-speed CMOS and monolithic air-core transformer technologies. This design provides superior performance characteristics compared to traditional opto-coupler devices, including higher speed, lower pulse width distortion, and enhanced long-term reliability and stability.
Key Specifications
| Attribute | Value | Unit | Test Conditions |
|---|---|---|---|
| Number of Channels | 4 | ||
| Package Type | SOIC W | ||
| Length | 10.5 mm | ||
| Width | 7.6 mm | ||
| Depth | 2.35 mm | ||
| Maximum Operating Temperature | +105 °C | ||
| Minimum Operating Temperature | -40 °C | ||
| Maximum Data Rate | 1 Mbps (BRW and CRW Grades), 90 Mbps (CRW Grade Only) | CL = 15 pF, CMOS signal levels | |
| Isolation Voltage | 2.5 kVrms | ||
| Propagation Delay | 50 - 100 ns | ns | CL = 15 pF, CMOS signal levels |
| Pulse Width Distortion | 40 ns | ns | CL = 15 pF, CMOS signal levels |
| Supply Voltage Range | 2.7 to 5.5 V | V | |
| Quiescent Supply Current per Channel | 0.53 mA (VDD1), 0.21 mA (VDD2) | mA | DC to 1 MHz logic signal freq. |
Key Features
- Utilizes iCoupler® technology combining high-speed CMOS and monolithic air-core transformer technologies.
- Provides four independent isolation channels.
- Low pulse width distortion (<2 ns for CRW grade) and tight channel-to-channel matching.
- Patented refresh feature ensures dc correctness in the absence of input logic transitions and when power is not applied to one of the supplies.
- High data rates up to 90 Mbps (CRW Grade Only).
- Operating supply voltage range from 2.7 to 5.5 V, allowing voltage translation across the isolation barrier.
- Compliant with RoHS and other environmental regulations.
Applications
- Industrial control systems and automation.
- Medical devices requiring high isolation and reliability.
- Automotive systems, including CAN, audio, and Ethernet interfaces.
- Power supply and DC-DC converter isolation.
- High-speed data communication systems.
- General-purpose digital isolation in various electronic systems.
Q & A
- What is the ADUM1401ARWZ used for?
The ADUM1401ARWZ is a quad-channel digital isolator used to provide electrical isolation between different parts of a system while maintaining high-speed data communication.
- What is the maximum data rate of the ADUM1401ARWZ?
The maximum data rate is 1 Mbps for BRW and CRW grades, and up to 90 Mbps for the CRW grade only.
- What is the isolation voltage of the ADUM1401ARWZ?
The isolation voltage is 2.5 kVrms.
- What is the operating temperature range of the ADUM1401ARWZ?
The operating temperature range is from -40 °C to +105 °C.
- Is the ADUM1401ARWZ RoHS compliant?
Yes, the ADUM1401ARWZ is RoHS compliant.
- What is the package type of the ADUM1401ARWZ?
The package type is SOIC W with 16 pins.
- What are the key features of the iCoupler® technology used in the ADUM1401ARWZ?
The iCoupler® technology combines high-speed CMOS and monolithic air-core transformer technologies, providing low pulse width distortion, tight channel-to-channel matching, and a patented refresh feature.
- What are some common applications of the ADUM1401ARWZ?
Common applications include industrial control systems, medical devices, automotive systems, power supply isolation, and high-speed data communication systems.
- What is the supply voltage range for the ADUM1401ARWZ?
The supply voltage range is from 2.7 to 5.5 V.
- How many independent isolation channels does the ADUM1401ARWZ provide?
The ADUM1401ARWZ provides four independent isolation channels.
