Overview
The ADuM1400WSRWZ-RL is a quad-channel digital isolator produced by Analog Devices Inc., utilizing the 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. The ADuM1400 series offers four independent isolation channels, making it suitable for a variety of applications requiring high-speed data transfer and electrical isolation.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Test Conditions |
|---|---|---|---|---|---|---|
| Minimum Pulse Width | PW | 8.3 | 11.1 | - | ns | CL = 15 pF, CMOS signal levels |
| Maximum Data Rate | - | - | 90 | 120 | Mbps | CL = 15 pF, CMOS signal levels |
| Propagation Delay | tPHL, tPLH | 20 | 34 | 45 | ns | CL = 15 pF, CMOS signal levels |
| Pulse Width Distortion | PWD | 0.5 | 2 | - | ns | CL = 15 pF, CMOS signal levels |
| Input Supply Current per Channel (Quiescent) | IDDI (Q) | 0.50 | 0.53 | - | mA | 5 V/3 V Operation |
| Output Supply Current per Channel (Quiescent) | IDDO (Q) | 0.11 | 0.14 | - | mA | 5 V/3 V Operation |
| Operating Temperature Range | - | -40°C | - | 125°C | - | - |
| Package Type | - | - | - | - | 16-Lead SOIC_W | - |
Key Features
- High-Speed Data Transfer: Supports data rates up to 120 Mbps, making it suitable for high-speed applications.
- Low Pulse Width Distortion: Ensures minimal distortion with values as low as 0.5 ns, ensuring accurate signal transmission.
- Tight Channel-to-Channel Matching: Offers matching as tight as 2 ns for codirectional channels and 5 ns for opposing-directional channels, enhancing system reliability.
- Voltage Translation: Operates with supply voltages ranging from 2.7 V to 5.5 V, allowing for voltage translation across the isolation barrier.
- Refresh Feature: Ensures dc correctness in the absence of input logic transitions and when power is not applied to one of the supplies, a feature unique to iCoupler technology.
- Automotive Grade Versions: Available in automotive-grade versions, such as the ADuM1400WSRWZ-RL, which operates from -40°C to 125°C.
Applications
- Industrial Control Systems: Suitable for use in industrial control systems where high-speed data transfer and electrical isolation are critical.
- Automotive Systems: Used in automotive applications such as CAN, audio, and Ethernet interfaces due to its robust temperature range and reliability.
- Medical Devices: Ideal for medical devices requiring high isolation and low noise, ensuring patient safety and accurate data transmission.
- Power Supply and Motor Control: Applied in power supply and motor control systems where electrical isolation is essential for safety and performance.
- Communication Systems: Used in various communication systems, including RS-232, RS-422, RS-485, and other serial communication protocols).
Q & A
- What is the ADuM1400WSRWZ-RL used for?
The ADuM1400WSRWZ-RL is a quad-channel digital isolator used for high-speed data transfer and electrical isolation in various applications.
- What is the maximum data rate supported by the ADuM1400WSRWZ-RL?
The ADuM1400WSRWZ-RL supports a maximum data rate of up to 120 Mbps.
- What is the operating temperature range of the ADuM1400WSRWZ-RL?
The operating temperature range is from -40°C to 125°C.
- What package type is the ADuM1400WSRWZ-RL available in?
The ADuM1400WSRWZ-RL is available in a 16-Lead SOIC_W package.
- Does the ADuM1400WSRWZ-RL support voltage translation?
Yes, it operates with supply voltages ranging from 2.7 V to 5.5 V, allowing for voltage translation across the isolation barrier.
- What is the refresh feature in the ADuM1400WSRWZ-RL?
The refresh feature ensures dc correctness in the absence of input logic transitions and when power is not applied to one of the supplies.
- How does the ADuM1400WSRWZ-RL compare to optocoupler devices?
The ADuM1400WSRWZ-RL offers superior performance characteristics, including lower pulse width distortion and tighter channel-to-channel matching, compared to optocoupler devices.
- What are some common applications of the ADuM1400WSRWZ-RL?
Common applications include industrial control systems, automotive systems, medical devices, power supply and motor control, and various communication systems.
- What is the propagation delay of the ADuM1400WSRWZ-RL?
The propagation delay is between 20 ns and 45 ns.
- How does the ADuM1400WSRWZ-RL handle pulse width distortion?
The ADuM1400WSRWZ-RL ensures minimal pulse width distortion, with values as low as 0.5 ns.
