Overview
The ADUM1401CRWZ is a quad-channel digital isolator produced by Analog Devices Inc., utilizing the company's proprietary iCoupler® technology. This device is designed to provide high-speed digital isolation, making it suitable for a variety of applications that require reliable and efficient signal transmission across different voltage domains. The ADUM1401CRWZ features a 3/1 channel directionality, meaning three channels are in one direction and one channel is in the opposite direction, enhancing its versatility in system design.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Test Conditions |
|---|---|---|---|---|---|---|
| Input Supply Current per Channel, Quiescent | IDDI (Q) | 0.26 | - | 0.31 | mA | 3 V/5 V Operation |
| Output Supply Current per Channel, Quiescent | IDDO (Q) | 0.11 | - | 0.14 | mA | 3 V/5 V Operation |
| Total Supply Current, Four Channels (DC to 1 MHz) | IDD1 (Q), IDD2 (Q) | 1.2, 0.5 | - | 1.9, 0.9 | mA | 3 V/5 V Operation, 1 MHz logic signal freq. |
| Maximum Data Rate (BRW Grade) | - | - | - | 10 Mbps | - | CL = 15 pF, CMOS signal levels |
| Maximum Data Rate (CRW Grade) | - | - | - | 90 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 |
| Isolation Voltage | - | - | - | 2500 Vrms | - | - |
Key Features
- Quad-channel digital isolator with 3/1 channel directionality
- High-speed data transfer rates up to 90 Mbps (CRW grade)
- Low propagation delay and pulse width distortion
- High isolation voltage of 2500 Vrms
- Operates with 3 V and 5 V supply voltages
- Utilizes iCoupler technology for reliable digital isolation
- Available in SOIC-16 package
Applications
- Industrial I/O and control systems
- Automotive interfaces (CAN, audio, Ethernet)
- RS-232 / RS-422 / RS-485 / RS-562 serial communication
- Local Interconnect Network (LIN) transceivers
- LVDS/MLVDS and other high-speed data transmission systems
- Signal integrity and signal line protection
- IO-Link and other industrial communication protocols
Q & A
- What is the ADUM1401CRWZ used for?
The ADUM1401CRWZ is a quad-channel digital isolator used to provide high-speed digital isolation in various applications. - What are the data transfer rates of the ADUM1401CRWZ?
The data transfer rates can be up to 10 Mbps for the BRW grade and up to 90 Mbps for the CRW grade. - What is the isolation voltage of the ADUM1401CRWZ?
The isolation voltage is 2500 Vrms. - What are the supply voltage options for the ADUM1401CRWZ?
The device operates with both 3 V and 5 V supply voltages. - What package type is the ADUM1401CRWZ available in?
The ADUM1401CRWZ is available in an SOIC-16 package. - What technology does the ADUM1401CRWZ use for digital isolation?
The ADUM1401CRWZ uses Analog Devices' iCoupler technology. - What are some common applications of the ADUM1401CRWZ?
Common applications include industrial I/O, automotive interfaces, serial communication, and high-speed data transmission systems. - How many channels does the ADUM1401CRWZ have and what is their directionality?
The ADUM1401CRWZ has four channels with a 3/1 channel directionality. - What is the propagation delay of the ADUM1401CRWZ?
The propagation delay is between 20 ns and 45 ns. - Is the ADUM1401CRWZ suitable for automotive applications?
Yes, it is suitable for automotive applications due to its robust isolation and high-speed capabilities.
