Overview
The ADUM3400CRWZ is a 4-channel digital isolator produced by Analog Devices Inc., utilizing the company's proprietary iCoupler technology. This device combines high-speed CMOS and magnetic coupling to achieve reliable and high-speed data transfer across an isolation barrier. The ADUM3400 series is designed to provide enhanced system-level ESD reliability, making it suitable for a wide range of applications that require robust and reliable digital isolation.
Key Specifications
| Parameter | Rating | Conditions |
|---|---|---|
| Storage Temperature Range (TST) | -65°C to +150°C | |
| Ambient Operating Temperature Range (TA) | -40°C to +105°C | |
| Supply Voltages (VDD1, VDD2) | 1 -0.5 V to +7.0 V | |
| 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 | |
| Average Output Current per Pin | -18 mA to +18 mA | Side 1 (IO1) and Side 2 (IO2) |
| Operating Supply Voltages | 3.0 V to 3.6 V and 4.5 V to 5.5 V | VDD1 and VDD2 |
Key Features
- High-Speed Data Transfer: Supports data rates up to several Mbps, making it suitable for high-speed applications.
- Enhanced System-Level ESD Reliability: Incorporates ESD protection cells, reduced metal trace resistances, and other design enhancements to improve ESD reliability.
- Low Power Consumption: Optimized for low power consumption, with supply current values specified for different data rates and operating conditions.
- High Isolation Voltage: Offers high isolation voltage ratings, ensuring reliable operation in environments with significant voltage differences between the isolated sides.
- Watchdog Timer: Includes a watchdog timer that ensures the output is forced to a default state if the input side is unpowered or nonfunctional.
Applications
- Industrial I/O: Suitable for industrial control systems, sensors, and actuators where reliable isolation is critical.
- Automotive Interfaces: Used in automotive systems such as CAN, audio, and Ethernet interfaces where high reliability and isolation are required.
- Medical Devices: Applicable in medical devices where isolation is necessary to ensure patient safety and device reliability.
- Power Supply and Motor Control: Used in power supply and motor control systems to ensure safe and reliable operation.
Q & A
- What is the ADUM3400CRWZ used for?
The ADUM3400CRWZ is a 4-channel digital isolator used to transfer digital signals across an isolation barrier, ensuring high-speed and reliable data transfer in various applications.
- What is the operating temperature range of the ADUM3400CRWZ?
The operating temperature range is -40°C to +105°C.
- What are the supply voltage ranges for the ADUM3400CRWZ?
The supply voltages range from 3.0 V to 3.6 V and 4.5 V to 5.5 V for VDD1 and VDD2.
- Does the ADUM3400CRWZ have built-in ESD protection?
- What is the maximum data rate supported by the ADUM3400CRWZ?
The device supports data rates up to several Mbps, depending on the specific configuration and operating conditions.
- How does the watchdog timer function in the ADUM3400CRWZ?
The watchdog timer ensures that the output is forced to a default state if the input side is unpowered or nonfunctional for more than about 5 µs.
- What are the key applications of the ADUM3400CRWZ?
The device is used in industrial I/O, automotive interfaces, medical devices, and power supply and motor control systems.
- What is the storage temperature range for the ADUM3400CRWZ?
The storage temperature range is -65°C to +150°C.
- How does the ADUM3400CRWZ ensure low power consumption?
The device is optimized for low power consumption, with detailed specifications provided for supply current values at different data rates and operating conditions.
- What is the significance of the iCoupler technology in the ADUM3400CRWZ?
The iCoupler technology combines high-speed CMOS and magnetic coupling to achieve reliable and high-speed data transfer across the isolation barrier.
- Are there any specific design considerations for using the ADUM3400CRWZ in a system?
