ADUM1441ARSZ

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ADUM1441ARSZ

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DGTL ISOLTR 3.75KV 4CH GP 20SSOP

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仕様

属性
Series iCoupler®
Part Status Active
Technology Magnetic Coupling
Type General Purpose
Isolated Power No
Number of Channels 4
Inputs - Side 1 / Side 2 3/1
Channel Type Unidirectional
Voltage - Isolation 3750Vrms
Common Mode Transient Immunity (Min) 25kV/µs
Data Rate 2Mbps
Propagation Delay tp LH / tp HL (Max) 180ns, 180ns
Pulse Width Distortion (Max) 8ns
Rise / Fall Time (Typ) 2ns, 2ns
Voltage - Supply 2.25V ~ 3.6V
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount
Package / Case 20-SSOP (0.209", 5.30mm Width)
Supplier Device Package 20-SSOP
Base Product Number ADUM1441

概要

Description

The ADUM1441ARSZ is a digital isolator product developed by Analog Devices. It is a part of the ADuM144x series, known for utilizing iCoupler® technology, which provides isolation between digital signals using micro-transformers. This specific model features four channels and is designed for applications requiring signal isolation and noise reduction in digital communication.
Key features include:
1. Isolation Rating: Provides a high isolation voltage rating, typically up to 3 kV RMS, ensuring safety and signal integrity between isolated domains.
2. Low Power Consumption: Operates with low power requirements, making it suitable for battery-powered and energy-sensitive applications.
3. Data Rate: Supports data rates up to 2 Mbps, allowing for efficient communication in high-speed applications.
4. Compact Design: Available in compact packages which facilitate integration into space-constrained designs.
Applications for the ADUM1441ARSZ include industrial automation, medical equipment, and any systems needing robust digital communication with galvanic isolation. Its ability to provide reliable isolation while maintaining data integrity makes it a versatile component in various electronic designs.

Equivalent

The ADuM1441ARSZ is a quad-channel digital isolator from Analog Devices. Equivalent products might include:
1. Silicon Labs' Si8641 series
2. Texas Instruments' ISO7741 series
3. Broadcom's ACPL-M61L series
These alternatives offer similar isolation capabilities and can be used in applications requiring isolated digital signal transfer. Always compare specific features and specifications to ensure compatibility with your application.

Features

The ADuM1441ARSZ is a quad-channel digital isolator from Analog Devices. Here are its key features:
1. Isolation Technology: Utilizes iCoupler® technology for digital isolation.
2. Channels and Directionality: Consists of four independent isolation channels with a configurable directionality.
3. Isolation Voltage: Provides an isolation rating of 2.5 kV rms.
4. Data Rate: Supports data rates up to 2 Mbps.
5. Low Power Consumption: Features low power consumption, with a quiescent current of approximately 5 µA per channel.
6. Package: Comes in a small 16-lead QSOP package, making it suitable for space-constrained applications.
7. Temperature Range: Operates within an extended temperature range, typically from -40°C to +125°C.
8. Safety and Certifications: Meets various safety standards suitable for reinforced isolation.
9. Noise Immunity: Provides high common-mode transient immunity.
10. Applications: Ideal for applications in industrial automation, data acquisition systems, and any system requiring robust digital isolation.
These features make the ADuM1441ARSZ an excellent choice for applications requiring reliable and efficient digital signal isolation.

Pinout

The ADuM1441ARSZ is a quad-channel digital isolator manufactured by Analog Devices. It features 16 pins in a Shrink Small Outline Package (SSOP). The device provides digital isolation, which is essential for protecting circuits by preventing direct electrical connection while allowing data and control signal transmission. The ADuM1441 series is known for its low power consumption and high data rate capabilities.
The functions of the pins include providing power supply connections, ground connections, and input/output connections for the four isolated channels. Specifically, it has VDD1 and VDD2 for power supplies on the primary and secondary sides, respectively. GND1 and GND2 serve as ground connections. The rest of the pins are designated for digital input and output, facilitating the isolation of digital signals between two circuits.
This isolator is commonly used in applications that require secure data transfer between systems with different ground potentials, such as in industrial automation, medical equipment, and communication systems.

Manufacturer

The ADUM1441ARSZ is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in the design, manufacturing, and marketing of a broad range of integrated circuits and system solutions. The company focuses primarily on products in the analog, mixed-signal, and digital signal processing (DSP) domains. They provide solutions for a variety of applications, including communications, industrial, automotive, healthcare, and consumer electronics. Analog Devices is known for its high-performance analog and mixed-signal products, and it plays a significant role in developing advanced technologies for signal processing.

Application

The ADUM1441ARSZ is a quad-channel digital isolator used primarily in applications requiring electrical isolation between different parts of a circuit. Key areas include:
1. Industrial Automation: Protects microcontrollers from high voltages in sensor interfaces and control systems.
2. Power Supply Management: Isolates feedback paths in power converters and inverters.
3. Data Communication: Ensures signal integrity and safety in communication interfaces like RS-232, RS-485, and CAN bus.
4. Medical Equipment: Provides patient safety by isolating patient-connected devices.
5. Renewable Energy Systems: Used in solar inverters for safe signal transmission.
These applications benefit from the device's high data rate, low power consumption, and robust isolation.

Package

The ADUM1441ARSZ is packaged in an 8-lead SOIC (Small Outline Integrated Circuit). This package type is compact and commonly used for surface mounting on printed circuit boards (PCBs).

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