Overview
The ADUM6421ABRNZ5 is a quad-channel digital isolator with an integrated DC-to-DC converter, designed and manufactured by Analog Devices Inc. This component utilizes Analog Devices' iCoupler technology to provide high-performance digital isolation and regulated, isolated power. It is particularly suited for applications requiring high data rates and robust isolation, such as in industrial, automotive, and medical devices.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|---|
| Supply Voltage | VDD1, VDD2 | 4.5 | - | 5.5 | V | -40°C ≤ TA ≤ +125°C |
| Isolation Voltage | - | - | - | 5000 | Vrms | - |
| Data Rate | - | - | - | 100 | Mbps | - |
| Propagation Delay | tPHL, tPLH | 8.0 | 11 | 16 | ns | 50% input to 50% output |
| Pulse Width Distortion | PWD | 1.0 | - | 5.0 | ns | |tPLH − tPHL| |
| Supply Current (IDD1) | - | 4.2 | 8.4 | 12.0 | mA | At 100 Mbps, CL = 15 pF |
| Supply Current (IDD2) | - | 2.3 | 4.5 | 12.0 | mA | At 100 Mbps, CL = 15 pF |
| Operating Temperature | TA | -40 | - | 125 | °C | - |
| Package Type | - | - | - | - | 28-BSSOP (0.295, 7.50mm Width) | - |
Key Features
- Integrated DC-to-DC Converter: Provides regulated, isolated power, meeting CISPR 32/EN 55032 Class B emission limits.
- Quad-Channel Isolation: Supports four independent isolation channels, each capable of handling high data rates up to 100 Mbps.
- AEC-Q100 Qualified: Suitable for automotive applications, ensuring reliability and performance in harsh environments.
- High Isolation Voltage: Offers 5000 Vrms isolation voltage, ensuring robust electrical isolation between channels.
- Low Propagation Delay: Features propagation delays as low as 8.0 ns, ensuring high-speed data transfer.
- RoHS Compliant: Meets the Restriction of Certain Hazardous Substances (RoHS) directive, making it environmentally friendly).
Applications
- Industrial I/O Systems: Ideal for industrial control systems, sensors, and actuators requiring high isolation and data integrity).
- Automotive Systems: Suitable for various automotive applications, including CAN, audio, and Ethernet interfaces, due to its AEC-Q100 qualification).
- Medical Devices: Used in medical equipment where high isolation and reliability are critical for patient safety).
- RS-232/RS-485 Interfaces: Supports serial communication interfaces requiring isolation to prevent electrical interference).
Q & A
- What is the ADUM6421ABRNZ5 used for?
The ADUM6421ABRNZ5 is a quad-channel digital isolator with an integrated DC-to-DC converter, used for providing high-speed data isolation and regulated power in various applications.
- What is the maximum data rate supported by the ADUM6421ABRNZ5?
The ADUM6421ABRNZ5 supports data rates up to 100 Mbps.
- What is the isolation voltage of the ADUM6421ABRNZ5?
The isolation voltage is 5000 Vrms.
- Is the ADUM6421ABRNZ5 AEC-Q100 qualified?
Yes, it is AEC-Q100 qualified, making it suitable for automotive applications.
- What is the operating temperature range of the ADUM6421ABRNZ5?
The operating temperature range is -40°C to +125°C.
- What type of package does the ADUM6421ABRNZ5 come in?
The ADUM6421ABRNZ5 comes in a 28-BSSOP package.
- Is the ADUM6421ABRNZ5 RoHS compliant?
Yes, it is RoHS compliant.
- What are the typical supply currents for the ADUM6421ABRNZ5?
The typical supply currents are around 8.4 mA for IDD1 and 4.5 mA for IDD2 at 100 Mbps data rate.
- What are the propagation delay and pulse width distortion specifications?
The propagation delay is typically 11 ns, and the pulse width distortion is up to 5.0 ns.
- In which applications is the ADUM6421ABRNZ5 commonly used?
It is commonly used in industrial I/O systems, automotive systems, medical devices, and RS-232/RS-485 interfaces.
