Overview
The ADUM1401WSRWZ35 is a quad-channel digital isolator produced by Analog Devices Inc., utilizing their proprietary iCoupler technology. This component is designed to provide high-speed digital isolation, ensuring reliable and efficient signal transmission between isolated circuits. The ADUM1401 features a 3/1 channel directionality, making it versatile for various applications requiring multiple channel configurations.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Test Conditions |
|---|---|---|---|---|---|---|
| Input Supply Current per Channel, Quiescent | IDDI (Q) | 0.50 | 0.53 | mA | VDD1 = VDD2 = 5 V | |
| Output Supply Current per Channel, Quiescent | IDDO (Q) | 0.19 | 0.21 | mA | VDD1 = VDD2 = 5 V | |
| Total Supply Current, Four Channels (DC to 2 Mbps) | IDD1 (Q), IDD2 (Q) | 2.2, 0.9 | 2.8, 1.4 | mA | DC to 1 MHz logic signal freq. | |
| Total Supply Current, Four Channels (10 Mbps) | IDD1 (10), IDD2 (10) | 8.6, 2.6 | 10.6, 3.5 | mA | 5 MHz logic signal freq. | |
| Maximum Data Rate | 10 Mbps | CL = 15 pF, CMOS signal levels | ||||
| Propagation Delay | tPHL, tPLH | 20 | 38 | 50 ns | CL = 15 pF, CMOS signal levels | |
| Pulse Width Distortion | PWD | 3 ns | CL = 15 pF, CMOS signal levels |
Key Features
- Quad-Channel Isolation: Provides four independent isolation channels with 3/1 directionality.
- High-Speed Operation: Supports data rates up to 10 Mbps for BRW grades and up to 90 Mbps for CRW grades.
- Low Propagation Delay: Typical propagation delay of 20-38 ns and pulse width distortion of 3 ns.
- Low Power Consumption: Quiescent supply currents as low as 0.50 mA per channel on the input side and 0.19 mA per channel on the output side.
- Robust Isolation: Ensures high isolation voltage of up to 5 kV rms for 1 minute, enhancing system reliability and safety.
Applications
- Industrial I/O: Suitable for industrial control systems, sensors, and actuators.
- Automotive Interfaces: Used in automotive systems such as CAN, audio, and Ethernet interfaces.
- Medical Devices: Applicable in medical equipment requiring high isolation and reliability.
- RS-232 / RS-422 / RS-485 Interfaces: Ideal for serial communication interfaces needing isolation.
- Powerline Communications: Used in powerline communication systems to ensure reliable data transmission.
Q & A
- What is the ADUM1401WSRWZ35 used for?
The ADUM1401WSRWZ35 is a quad-channel digital isolator used to provide high-speed digital isolation between isolated circuits.
- What are the typical propagation delays for the ADUM1401?
The typical propagation delays are between 20-38 ns.
- What is the maximum data rate supported by the ADUM1401?
The maximum data rate is up to 10 Mbps for BRW grades and up to 90 Mbps for CRW grades.
- What is the quiescent supply current per channel for the ADUM1401?
The quiescent supply current per channel is 0.50 mA on the input side and 0.19 mA on the output side.
- What are some common applications of the ADUM1401?
Common applications include industrial I/O, automotive interfaces, medical devices, and serial communication interfaces.
- What is the isolation voltage rating of the ADUM1401?
The ADUM1401 has an isolation voltage rating of up to 5 kV rms for 1 minute.
- Does the ADUM1401 support multiple channel directionality?
Yes, it supports 3/1 channel directionality.
- What is the typical pulse width distortion of the ADUM1401?
The typical pulse width distortion is 3 ns.
- Is the ADUM1401 suitable for high-speed applications?
Yes, it is suitable for high-speed applications with data rates up to 90 Mbps.
- What technology does the ADUM1401 use for isolation?
The ADUM1401 uses Analog Devices' iCoupler technology for isolation.
