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ADUM3221ARZ

Name: ADUM3221ARZ
Rating: 4.7 (12 reviews)

DGTL ISO 2.5KV 2CH GT DVR 8SOIC

Производитель
Мфр. Часть #ADUM3221ARZ
Пакет
Лист данных ADUM3221ARZ DataSheet
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Спецификации

Series	iCoupler®
Part Status	Active
Technology	Magnetic Coupling
Number of Channels	2
Voltage - Isolation	2500Vrms
Common Mode Transient Immunity (Min)	25kV/µs
Propagation Delay tpLH / tpHL (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

Обзор

Description

The ADUM3221ARZ is an isolated gate driver designed by Analog Devices, primarily for driving N-channel MOSFETs and IGBTs in power applications. It provides galvanic isolation between the control side and the power side, enabling high-voltage applications while ensuring safe operation. The device operates from a supply voltage range of 4.5V to 20V on the primary side, and it can drive outputs up to 4A, making it suitable for high-speed switching applications.
Key features include fast switching speeds, low propagation delay, and an integrated fault protection mechanism. The ADUM3221ARZ also supports a wide isolation voltage rating, making it ideal for applications in motor drives, power inverters, and industrial automation. Its compact package and robustness make it a preferred choice for engineers looking for reliable isolation in their designs.

Features

The ADUM3221ARZ is a digital isolator designed for robust isolation in digital communication systems. Its key features include:
1. Isolation Voltage: Offers 5 kV RMS isolation, ensuring safety in high-voltage applications.
2. Data Rate: Supports data rates up to 25 Mbps, suitable for high-speed digital signals.
3. Channel Configuration: Available in a dual-channel configuration, enabling bi-directional data transfer.
4. Low Power Consumption: Consumes only 1.5 mA per channel, making it energy-efficient.
5. Temperature Range: Operates over a wide temperature range of -40°C to +125°C, ensuring reliability in various environments.
6. Integrated Isolation Barrier: Uses advanced CMOS technology for enhanced performance and reduced size.
7. Low Propagation Delay: Provides low propagation delay for quick response times in communication.
These features make the ADUM3221ARZ suitable for applications such as industrial automation, medical devices, and power management systems.

Package

The ADUM3221ARZ is packaged in a 16-lead TSSOP (Thin Shrink Small Outline Package) format. This type of package is designed for surface mounting and is suitable for applications requiring compact size and low profile.

Pinout

The ADUM3221ARZ is a digital isolator with a total of 16 pins. It is designed to provide isolation between digital circuits, typically used in environments where high voltage separation is required.
Key functions include:
- Dual-channel isolation: It features two channels that can independently transmit digital signals across an isolation barrier.
- High data rate: Supports data rates up to 150 Mbps, making it suitable for high-speed applications.
- Operating voltage: The device can operate with supply voltages typically ranging from 3.0 V to 5.5 V.
- Integrated capacitive isolation technology: This allows for robust signal transmission without relying on traditional optocouplers.
The pin configuration includes power supply pins, input and output signal pins for both channels, and ground pins. The ADUM3221ARZ is commonly used in industrial control systems, power management applications, and data communication interfaces where isolation is essential for safety and signal integrity.

Manufacturer

The ADUM3221ARZ is manufactured by Analog Devices, Inc. (ADI). Analog Devices is a multinational company that specializes in designing and manufacturing high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965 and headquartered in Norwood, Massachusetts, ADI serves a wide range of industries, including automotive, communications, healthcare, and industrial automation. The company is known for its innovative solutions that enhance signal processing and data conversion, making it a leader in the semiconductor industry.

Application

The ADUM3221ARZ is an isolator designed for applications requiring high-speed digital isolation. It is commonly used in data communication systems, including industrial automation, medical devices, and power management systems. Its functionality supports isolated interfaces in microcontrollers, digital signal processors, and fieldbus systems, enhancing reliability and safety by preventing ground loops and protecting sensitive components from high voltages.

Equivalent

The ADUM3221ARZ is an isolated gate driver chip. Equivalent products include the Texas Instruments ISO721 and ISO724, the Silicon Labs Si823H, and the Maxim Integrated MAX14900. These chips provide similar functions for isolated driving applications but may differ in specifications such as voltage ratings, current capabilities, and package types. Always consult the datasheets for specific requirements.

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