Overview
The ADUM3401BRWZ is a quad-channel digital isolator produced by Analog Devices Inc. It is part of the ADuM3400/ADuM3401/ADuM3402 family, which utilizes Analog Devices' iCoupler technology. This device is designed to provide high-speed digital isolation, making it suitable for a wide range of applications that require reliable and efficient signal transmission across different voltage domains.
Key Specifications
| Parameter | Rating |
|---|---|
| Supply Voltages (VDD1, VDD2) | 4.5 V to 5.5 V (each side) |
| Input Voltage (VIA, VIB, VIC, VID, VE1, VE2) | -0.5 V to VDD1 + 0.5 V |
| Output Voltage (VOA, VOB, VOC, VOD) | -0.5 V to VDDO + 0.5 V |
| Ambient Operating Temperature Range (TA) | -40°C to +105°C |
| Storage Temperature Range (TST) | -65°C to +150°C |
| Average Output Current per Pin | -18 mA to +18 mA |
Key Features
- Quad-Channel Digital Isolation: Provides four independent isolation channels.
- Enhanced System-Level ESD Reliability: Includes ESD protection cells, reduced metal trace resistances, and other design enhancements to improve ESD reliability.
- High-Speed Operation: Supports data rates up to several Mbps, depending on the configuration.
- Low Power Consumption: Optimized for low supply current, especially when operating at lower data rates.
- Watchdog Timer: Ensures dc correctness at the output by sending periodic refresh pulses if no logic transitions are detected at the input.
Applications
- Industrial I/O: Suitable for industrial control systems and automation.
- Automotive Interfaces: Can be used in automotive systems such as CAN, audio, and Ethernet interfaces.
- Medical Devices: Applicable in medical devices where isolation is critical for safety.
- Powerline Communications: Used in powerline communication systems for reliable data transmission.
- RS-232/RS-422/RS-485 Interfaces: Ideal for serial communication interfaces requiring isolation.
Q & A
- What is the ADUM3401BRWZ used for? The ADUM3401BRWZ is a quad-channel digital isolator used to provide high-speed digital isolation in various applications.
- What are the supply voltage ranges for the ADUM3401BRWZ? The supply voltage ranges are 4.5 V to 5.5 V for both VDD1 and VDD2.
- What is the operating temperature range of the ADUM3401BRWZ? The ambient operating temperature range is -40°C to +105°C.
- Does the ADUM3401BRWZ have built-in ESD protection? Yes, it includes ESD protection cells and other design enhancements for improved ESD reliability.
- What is the purpose of the watchdog timer in the ADUM3401BRWZ? The watchdog timer ensures dc correctness at the output by sending periodic refresh pulses if no logic transitions are detected at the input.
- Can the ADUM3401BRWZ be used in automotive systems? Yes, it is suitable for various automotive interfaces such as CAN, audio, and Ethernet.
- What are the storage temperature limits for the ADUM3401BRWZ? The storage temperature range is -65°C to +150°C.
- How many isolation channels does the ADUM3401BRWZ provide? It provides four independent isolation channels.
- Is the ADUM3401BRWZ suitable for medical devices? Yes, it is applicable in medical devices where isolation is critical for safety.
- What is the maximum average output current per pin for the ADUM3401BRWZ? The maximum average output current per pin is -18 mA to +18 mA.
