ADUM7442ARQZ

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ADUM7442ARQZ

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DGTL ISOLTR 1KV 4CH GP 16-SSOP

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規格

屬性 價值
Series iCoupler®
Part Status Active
Technology Magnetic Coupling
Type General Purpose
Isolated Power No
Number of Channels 4
Inputs - Side 1 / Side 2 2/2
Channel Type Unidirectional
Voltage - Isolation 1000Vrms
Common Mode Transient Immunity (Min) 15kV/µs
Data Rate 1Mbps
Propagation Delay tp LH / tp HL (Max) 75ns, 75ns
Pulse Width Distortion (Max) 25ns
Rise / Fall Time (Typ) 2ns, 2ns
Voltage - Supply 3V ~ 5.5V
Operating Temperature -40°C ~ 105°C
Mounting Type Surface Mount
Package / Case 16-SSOP (0.154", 3.90mm Width)
Supplier Device Package 16-QSOP
Base Product Number ADUM7442

概述

Description

The ADUM7442ARQZ is a quad-channel digital isolator manufactured by Analog Devices. It is part of the ADuM series, which is designed for applications requiring isolation between different parts of a circuit to prevent ground loops and protect sensitive components. This isolator uses iCoupler technology to provide up to 3.75 kVrms isolation, ensuring reliable data transfer between circuits while maintaining electrical isolation.
Key features of the ADUM7442ARQZ include low power consumption, high data rate capability, and a compact package that makes it suitable for various applications like industrial automation, power supply isolation, and data communication systems. The device supports data rates up to 25 Mbps and operates in the temperature range of -40°C to +125°C, making it versatile for use in harsh environments. Additionally, it offers multiple channel configurations, allowing for flexibility in design. The ADUM7442ARQZ is often used in designs where robust signal integrity and safety are paramount.

Equivalent

The ADUM7442ARQZ is a quad-channel digital isolator by Analog Devices. Equivalent products include the Texas Instruments ISO7742, Silicon Labs' Si866x series, and Broadcom's ACPL-M43T series. These alternatives offer similar isolation capabilities, data rates, and channel configurations, but specific features may vary, so it's essential to verify the specifications for compatibility with your application.

Features

The ADUM7442ARQZ is a digital isolator manufactured by Analog Devices. It features four independent isolation channels designed to provide high-speed, bi-directional signal isolation. Key features include:
1. Isolation Voltage: The device offers a high isolation rating, typically up to 2.5 kVrms, ensuring robust protection against high voltage transients and noise.
2. Data Rate: Supports high data rates up to 25 Mbps, suitable for a variety of communication protocols.
3. Low Power Consumption: Incorporates low power operation, making it efficient for applications requiring minimal energy usage.
4. Wide Temperature Range: Operates effectively across a wide temperature range, typically from -40°C to +105°C, ensuring reliability in harsh environments.
5. Safety Certifications: The ADUM7442ARQZ meets safety standards like UL, VDE, and CSA, making it suitable for industrial and consumer applications.
6. Compact Package: Available in a compact 16-lead QSOP package, saving space on PCB designs.
These features make the ADUM7442ARQZ ideal for isolating data lines in applications such as industrial automation, instrumentation, and power systems.

Pinout

The ADuM7442ARQZ is a quad-channel digital isolator manufactured by Analog Devices. It features 16 pins in a standard QSOP (Quarter-size Small Outline Package). The device is designed to provide signal isolation between systems while allowing data transmission across the isolation barrier.
Key functions include:
- Four independent isolation channels.
- High-speed data transmission up to 25 Mbps per channel.
- A maximum isolation voltage of 2500 Vrms.
- Operates with a wide supply voltage of 3.0 V to 5.5 V.
- Low power consumption with various power modes.
The ADuM7442ARQZ is commonly used in applications requiring electrical isolation for noise reduction, safety, or to prevent ground loops in systems like industrial automation, data acquisition systems, and medical equipment.

Manufacturer

The manufacturer of the ADUM7442ARQZ is Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in designing, manufacturing, and selling integrated circuits used in electronic equipment. The company is known for its high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. These products are utilized across various industries, including industrial, automotive, communication, consumer, and healthcare sectors. Analog Devices is recognized for its innovation in the field of signal processing and its contributions to various advanced technological solutions.

Application

The ADUM7442ARQZ is a 4-channel digital isolator primarily used in applications requiring electrical isolation to protect sensitive components and systems. Key application areas include:
1. Industrial Automation: Ensures safe communication between different parts of automation systems.
2. Power Supply Systems: Provides isolation to help prevent ground loops and enhance safety.
3. Medical Equipment: Offers patient and operator protection through electrical isolation.
4. Data Acquisition Systems: Ensures signal integrity by isolating different subsystems.
5. Communication Interfaces: Used in isolating communication buses like SPI, I2C, etc., to prevent noise interference.
These isolators are crucial in systems where signal integrity and safety are paramount.

Package

The ADUM7442ARQZ is housed in a 16-lead SOIC (Small Outline Integrated Circuit) package, which is commonly used for surface-mounted devices in electronics. The "R" in "RQZ" indicates the package is designed for a wide body, which provides enhanced isolation capabilities.

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