Overview
The ADuM3402BRWZ, produced by Analog Devices Inc., is a 4-channel digital isolator based on the iCoupler® technology. This device combines high-speed CMOS and magnetic isolation to provide reliable and efficient data transfer between isolated circuits. The ADuM3402 is designed to enhance system-level ESD reliability and ensure robust performance in various applications.
Key Specifications
| Parameter | Rating |
|---|---|
| Supply Voltages (VDD1, VDD2) | -0.5 V to +7.0 V |
| Ambient Operating Temperature Range (TA) | -40°C to +105°C |
| Storage Temperature Range (TST) | -65°C to +150°C |
| 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 |
| Data Rate | Up to 10 Mbps |
| Package Type | 16-pin SOIC |
Key Features
- 4-channel digital isolation using iCoupler technology
- High-speed data transfer up to 10 Mbps
- Enhanced system-level ESD reliability with ESD protection cells and optimized metal trace resistances
- Operates with supply voltages from 3.0 V to 5.5 V on both sides
- Watchdog timer circuit to ensure dc correctness at the output
- Robust magnetic field immunity
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, and other serial communication interfaces
Q & A
- What is the ADuM3402BRWZ used for?
The ADuM3402BRWZ is used as a 4-channel digital isolator to provide reliable and efficient data transfer between isolated circuits. - What is the maximum data rate of the ADuM3402BRWZ?
The maximum data rate is up to 10 Mbps. - What are the operating supply voltage ranges for the ADuM3402BRWZ?
The operating supply voltage ranges are 3.0 V to 3.6 V and 4.5 V to 5.5 V for both sides. - What is the ambient operating temperature range for the ADuM3402BRWZ?
The ambient operating temperature range is -40°C to +105°C. - Does the ADuM3402BRWZ have built-in ESD protection?
Yes, it includes ESD protection cells and other enhancements to improve system-level ESD reliability. - What package type is the ADuM3402BRWZ available in?
The ADuM3402BRWZ is available in a 16-pin SOIC package. - How does the watchdog timer function in the ADuM3402BRWZ?
The watchdog timer ensures dc correctness at the output by sending periodic refresh pulses and forcing the output to a default state if no internal pulses are received for a specified period. - What are some common applications of the ADuM3402BRWZ?
Common applications include industrial I/O, automotive interfaces, medical devices, and serial communication interfaces. - How does the ADuM3402BRWZ handle magnetic field immunity?
The device has robust magnetic field immunity, with specific conditions defined to prevent false setting or resetting of the decoder due to induced voltages. - What is the storage temperature range for the ADuM3402BRWZ?
The storage temperature range is -65°C to +150°C.
