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ADUM7440ARQZ

Name: ADUM7440ARQZ
Rating: 4.7 (12 reviews)

DGTL ISOLTR 1KV 4CH GP 16-SSOP

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規格

Series	iCoupler®
Part Status	Active
Technology	Magnetic Coupling
Type	General Purpose
Isolated Power	No
Number of Channels	4
Inputs - Side 1/Side 2	4/0
Channel Type	Unidirectional
Voltage - Isolation	1000Vrms
Common Mode Transient Immunity (Min)	15kV/µs
Data Rate	1Mbps
Propagation Delay tpLH / tpHL (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	ADUM7440

概述

Description

The ADUM7440ARQZ is a high-speed, isolated digital isolator designed by Analog Devices. It utilizes capacitive isolation technology, providing robust signal integrity and reliability for data transmission. The device facilitates the isolation of digital signals between two power domains, making it ideal for applications in industrial automation, medical equipment, and data communication.
Key features include a wide operating voltage range, low power consumption, and high data rates up to 25 Mbps. It also offers reinforced isolation ratings, ensuring safety in high-voltage environments. The ADUM7440ARQZ is packaged in a compact, surface-mount format, which enhances its suitability for space-constrained designs.
This isolator supports bi-directional communication with minimal propagation delay, ensuring effective and timely data transfer. Overall, the ADUM7440ARQZ is a versatile component that helps improve system reliability and safety while simplifying circuit designs in isolation-critical applications.

Features

The ADUM7440ARQZ is a dual-channel isolator designed for high-speed applications. Key features include:
1. Isolation Voltage: Provides up to 5 kV RMS isolation, ensuring safety in high-voltage environments.
2. Data Rate: Capable of supporting data rates up to 25 Mbps, suitable for high-speed communication.
3. Supply Voltage: Operates with supply voltages of 3.0V to 5.5V, allowing flexibility in various applications.
4. Low Power Consumption: Designed for low power operation, enhancing efficiency in battery-powered systems.
5. Temperature Range: Rated for operation from -40°C to +125°C, suitable for industrial applications.
6. Integrated Protection: Incorporates fault protection features, improving reliability.
7. Small Package Size: Offered in a compact 16-lead SOIC package, allowing for space-efficient designs.
These features make the ADUM7440ARQZ ideal for digital signal isolation in a variety of applications, including industrial automation, medical devices, and consumer electronics.

Package

The ADUM7440ARQZ is packaged in a 16-lead LFCSP (Lead Frame Chip Scale Package) with dimensions of 3 mm × 3 mm. This compact package is designed for enhanced thermal performance and minimal footprint in electronic applications.

Pinout

The ADUM7440ARQZ is a digital isolator with a 16-pin count. It is designed for high-speed isolation in applications such as industrial automation, motor control, and communications. The device features a dual-channel isolation architecture, with each channel capable of bidirectional data transmission.
Key functions of the ADUM7440ARQZ include:
1. Data Isolation: It provides electrical isolation between the input and output, allowing for safe signal transfer across high-voltage barriers.
2. High-Speed Operation: Supports data rates up to 25 Mbps, suitable for fast communication systems.
3. Low Power Consumption: The isolator operates with low power, making it suitable for battery-operated devices.
4. Wide Supply Voltage Range: It can operate with varying supply voltages on either side of the isolation barrier.
The ADUM7440ARQZ is commonly used in medical devices, power supply systems, and communications interfaces where signal integrity and safety are critical.

Manufacturer

The ADUM7440ARQZ is manufactured by Analog Devices, Inc. (ADI), a multinational company specializing in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, Analog Devices focuses on providing solutions for various applications including industrial automation, automotive, healthcare, communications, and consumer electronics. The company is known for its innovation in signal processing and high-speed data conversion technologies, catering to a wide range of markets with a strong emphasis on quality and performance.

Application

The ADUM7440ARQZ is a high-speed, isolated gate driver used primarily in power electronics applications. Its key areas include driving MOSFETs and IGBTs in applications such as motor drives, renewable energy systems, power inverters, and industrial automation. It provides essential isolation and signal integrity, ensuring reliable operation in high-voltage environments.

Equivalent

The ADUM7440ARQZ is a digital isolator. Equivalent products include the following:
1. ISOLATED DIGITAL ISOLATORS:
- Texas Instruments ISO7741
- Analog Devices ADuM1240
- Broadcom (Avago) HCNW3120
2. COMPARABLE PERFORMANCE:
- Silicon Labs Si86xx series
- Maxim Integrated MAX14890
Always check specifications and application compatibility for precise equivalence.