Overview
The ADUM1401WSRWZ 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, combining CMOS and monolithic transformer technology to ensure reliable and efficient signal transmission across isolation barriers.
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 | IDD1 (Q) | 1.2 | 1.9 | mA | DC to 1 MHz logic signal freq., 3 V/5 V Operation | |
| Total Supply Current, Four Channels | IDD2 (Q) | 0.5 | 0.9 | mA | DC to 1 MHz logic signal freq., 3 V/5 V Operation | |
| Maximum Data Rate | 10 Mbps | CL = 15 pF, CMOS signal levels (BRW Grade) | ||||
| 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 | |||
| Propagation Delay Skew | tPSK | 22 ns | CL = 15 pF, CMOS signal levels |
Key Features
- Quad-channel digital isolation with 3/1 channel directionality
- High-speed data transfer rates up to 10 Mbps (BRW Grade) and 90 Mbps (CRW Grade)
- Low propagation delay and pulse width distortion
- High common-mode transient immunity (CMTI) of >25 kV/μs
- Operating temperature range from -40°C to 125°C
- Compliance with various safety standards such as UL 1577, IEC 60747-5-2, and VDE 0884-10
Applications
- Industrial I/O and control systems
- Automotive interfaces (CAN, Audio, Ethernet)
- Medical devices requiring isolation
- Industrial automation and control systems
- RS-232 / RS-422 / RS-485 / RS-562 serial communication systems
- Signal integrity and signal line protection
Q & A
- What is the ADUM1401WSRWZ used for? The ADUM1401WSRWZ is used for high-speed digital isolation in various applications, including industrial I/O, automotive interfaces, and medical devices.
- What is the maximum data rate of the ADUM1401WSRWZ? The maximum data rate is up to 10 Mbps for the BRW Grade and up to 90 Mbps for the CRW Grade.
- What is the propagation delay of the ADUM1401WSRWZ? The propagation delay is between 20 ns and 50 ns.
- What is the operating temperature range of the ADUM1401WSRWZ? The operating temperature range is from -40°C to 125°C.
- Is the ADUM1401WSRWZ compliant with safety standards? Yes, it is compliant with various safety standards such as UL 1577, IEC 60747-5-2, and VDE 0884-10.
- What are the typical supply currents for the ADUM1401WSRWZ? The typical input supply current per channel is 0.31 mA, and the typical output supply current per channel is 0.14 mA.
- What is the pulse width distortion of the ADUM1401WSRWZ? The pulse width distortion is 3 ns.
- What is the propagation delay skew of the ADUM1401WSRWZ? The propagation delay skew is 22 ns.
- Can the ADUM1401WSRWZ be used in automotive applications? Yes, it can be used in automotive interfaces such as CAN, Audio, and Ethernet.
- Is the ADUM1401WSRWZ suitable for medical devices? Yes, it is suitable for medical devices requiring isolation.
