ADUM3221ARZ

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ADUM3221ARZ

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DGTL ISO 2.5KV 2CH GT DVR 8SOIC

  • Nhà sản xuấtCông ty Analog Devices Inc.

  • Ông. Phần #ADUM3221ARZ

  • Bảng dữ liệu ADUM3221ARZ DataSheet

  • Có sẵn4766

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Thông số kỹ thuật

thuộc tính Giá trị
Series iCoupler®
Part Status Active
Technology Magnetic Coupling
Number of Channels 2
Voltage - Isolation 2500Vrms
Common Mode Transient Immunity (Min) 25kV/µs
Propagation Delay tp LH / tp HL (Max) 60ns, 60ns
Rise / Fall Time (Typ) 20ns, 20ns
Current - Peak Output 4A
Voltage - Output Supply 4.5V ~ 18V
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Approval Agency CSA, UR, VDE
Base Product Number ADUM3221

Tổng quan

Description

The ADUM3221ARZ is a dual-channel digital isolator that integrates two independent isolation channels in a single package. It's manufactured by Analog Devices and uses iCoupler technology to provide electrical isolation between input and output circuitry. This device is commonly used in applications that require isolation between different ground levels or where noise immunity is crucial, such as in power supply circuits, motor drives, and data communication systems.
Key features of the ADUM3221ARZ include a high data rate capability of up to 25 Mbps, low power consumption, and 3.75 kV RMS isolation voltage. It operates over a wide temperature range, making it suitable for industrial environments. The isolator also offers low propagation delay, which is important for maintaining signal integrity in fast-switching applications. Additionally, it comes in a compact, surface-mount package, facilitating ease of integration into PCB designs.
Overall, the ADUM3221ARZ is a reliable solution for achieving signal isolation in various electronic applications, ensuring operational safety and system efficiency.

Equivalent

The ADUM3221ARZ is a dual-channel digital isolator with two independent isolation channels. Equivalent products include:
1. Texas Instruments ISO7320C
2. Broadcom ACPL-847
3. Silicon Labs Si8622
These alternatives offer similar functionalities, such as dual-channel isolation, voltage isolation ratings, and comparable data rates. It's important to verify the specific requirements like isolation voltage, data rate, and package type to ensure compatibility with your application.

Features

The ADUM3221ARZ is a dual-channel digital isolator with an integrated driver, designed for isolating and driving power transistors such as MOSFETs and IGBTs. Key features include:
1. Isolation Technology: It utilizes iCoupler® technology to provide high noise immunity and reliable data transfer.
2. Isolation Rating: Offers 2500 Vrms isolation.
3. Data Rates: Supports high data rates up to 1 Mbps.
4. Propagation Delay: Features a low propagation delay of approximately 50 ns.
5. Output Current: Provides rail-to-rail output with drive strength to source and sink up to 4 A.
6. Wide Supply Range: Operates with a wide supply voltage range from 3.0 V to 5.5 V on both sides of the isolator.
7. Safety: Incorporates safety approvals, making it suitable for use in reinforced isolation applications.
8. Temperature Range: Functions across an extended temperature range from -40°C to +125°C.
9. Package: Available in an 8-lead SOIC package.
The ADUM3221ARZ is typically used in applications requiring isolated gate drivers, such as motor drives, industrial inverters, and power management systems.

Pinout

The ADUM3221ARZ is a dual-channel digital isolator with an integrated driver specifically designed for driving power transistors such as MOSFETs and IGBTs. It is manufactured by Analog Devices and utilizes iCoupler® technology for isolation. The device typically comes in a 16-lead SOIC (Small Outline Integrated Circuit) package.
The key functions of the ADUM3221ARZ include:
- Providing isolation between the input and output stages to protect low-voltage control circuitry from high-voltage transients.
- Capable of driving high-side and low-side switches.
- Offering two independent isolated channels for enhanced flexibility in various configurations.
- Featuring low propagation delay and high data rates for efficient high-speed operation.
- Providing a fail-safe low functionality to ensure safe operation under fault conditions.
The ADUM3221ARZ is widely used in applications such as motor drives, power supplies, and renewable energy systems where isolation and fast switching are necessary.

Manufacturer

The ADUM3221ARZ is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company known for designing and manufacturing a wide range of analog, mixed-signal, and digital signal processing integrated circuits. The company serves various industries, including communications, computing, industrial, automotive, and consumer electronics, providing components that are critical for converting, conditioning, and processing real-world phenomena such as temperature, speed, sound, and pressure into electrical signals.

Application

The ADUM3221ARZ is a dual-channel digital isolator primarily used in applications requiring electrical isolation between different circuit sections. Its key application areas include:
1. Motor Drive Systems: Providing isolation and control for gate drivers.
2. Power Supply Units: Enhancing safety and noise immunity in switched-mode power supplies.
3. Industrial Automation: Offering isolated communication interfaces for PLCs and other industrial equipment.
4. Renewable Energy Systems: Isolating control circuits in solar inverters and wind turbine converters.
5. Battery Management Systems: Ensuring safe isolation between battery cells and monitoring/control circuits.
These applications benefit from its ability to provide robust isolation while maintaining fast data transmission and low power consumption.

Package

The ADUM3221ARZ is packaged in an SOIC (Small Outline Integrated Circuit) package with 8 pins. It is designed for surface mounting on a printed circuit board (PCB), providing a compact and efficient solution for isolating digital signals.

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