ADUM1250ARZ-RL7

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ADUM1250ARZ-RL7

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DGTL ISOLTR 2.5KV 2CH I2C 8-SOIC

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仕様

属性
Series iCoupler®
Part Status Active
Technology Magnetic Coupling
Type I2C
Isolated Power No
Number of Channels 2
Inputs - Side 1 / Side 2 2/2
Channel Type Bidirectional
Voltage - Isolation 2500Vrms
Common Mode Transient Immunity (Min) 25kV/µs
Data Rate 1Mbps
Pulse Width Distortion (Max) 145ns, 85ns
Voltage - Supply 3V ~ 5.5V
Operating Temperature -40°C ~ 105°C
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Base Product Number ADUM1250

概要

Description

The ADUM1250ARZ-RL7 is a digital isolator manufactured by Analog Devices. It is designed to enable electrical isolation in I²C interfaces, facilitating communication between circuits at different voltage levels while maintaining data integrity and minimizing noise interference. This model provides bidirectional communication, making it ideal for isolating I²C buses in various applications, such as industrial automation, medical devices, and power management systems.
Key features of the ADUM1250ARZ-RL7 include:
1. Isolation: Utilizes iCoupler® technology to provide digital isolation.
2. Channels: Offers two bidirectional communication channels.
3. Data Rate: Supports data rates up to 1 Mbps.
4. Voltage Range: Operates over a wide range of supply voltages.
5. Package: Available in a compact SOIC (Small Outline Integrated Circuit) package.
6. Reliability: Provides robust galvanic isolation, enhancing safety and performance.
Overall, the ADUM1250ARZ-RL7 is a reliable and efficient solution for isolating I²C interfaces, ensuring safe and effective communication across different voltage domains.

Equivalent

The ADUM1250ARZ-RL7 is a dual-channel digital isolator. Equivalent products include:
1. Texas Instruments ISO1540
2. Broadcom ACPL-C71A
3. Maxim Integrated MAX14930
4. Silicon Labs Si8640
These products serve similar functions, providing isolation for I2C communication lines, but always verify electrical characteristics and package compatibility to ensure they meet your specific application requirements.

Features

The ADuM1250ARZ-RL7 is a dual-channel digital isolator manufactured by Analog Devices. It features iCoupler® technology, which provides isolation between two digital bus systems while allowing for bi-directional communication. Key features include:
1. Bidirectional Communication: Supports I²C interfaces, making it suitable for applications needing isolated I²C communication.
2. High Data Rate: Capable of data rates up to 1 Mbps.
3. Isolation Rating: Provides up to 2.5 kV RMS isolation, ensuring robust protection against high voltages.
4. Low Power Consumption: Efficient design with low power requirements.
5. Small Package: Comes in a compact 8-lead SOIC package, facilitating space-saving designs.
6. Wide Temperature Range: Operates effectively within the industrial temperature range from -40°C to +105°C.
7. Safety and Reliability: Incorporates safety certifications and is known for reliable performance in demanding environments.
These features make the ADuM1250ARZ-RL7 suitable for industrial, automotive, and communication applications requiring isolation with minimal power consumption and space constraints.

Pinout

The ADuM1250ARZ-RL7 is a dual-channel digital isolator manufactured by Analog Devices. It is designed to enable I2C communication across an isolation barrier. The device comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here is a brief overview of its pin configuration and functions:
1. VDD1 (Pin 1): Power supply for Side 1.
2. SDA1 (Pin 2): Serial data line for Side 1.
3. SCL1 (Pin 3): Serial clock line for Side 1.
4. GND1 (Pin 4): Ground reference for Side 1.
5. GND2 (Pin 5): Ground reference for Side 2.
6. SCL2 (Pin 6): Serial clock line for Side 2.
7. SDA2 (Pin 7): Serial data line for Side 2.
8. VDD2 (Pin 8): Power supply for Side 2.
The ADuM1250 facilitates bidirectional communication and isolation between two I2C buses. This isolation allows for the protection of low-voltage electronics from high voltages, noise, and ground loop issues across the isolation barrier.

Manufacturer

The ADUM1250ARZ-RL7 is manufactured by Analog Devices, Inc. Analog Devices is a multinational company specializing in the design and manufacturing of a wide range of integrated circuits and semiconductors. It focuses on high-performance analog, mixed-signal, and digital signal processing (DSP) technologies. These products are used in various applications, including industrial, automotive, communications, healthcare, and consumer electronics. The company is well-regarded for its innovation and quality in developing products that serve complex, high-performance applications.

Application

The ADUM1250ARZ-RL7 is a digital isolator used primarily in applications requiring isolation between different parts of a system. Key application areas include:
1. Industrial Automation: Provides signal isolation in PLCs and industrial control systems.
2. Power Supply Isolation: Isolates communication in power converters and inverters.
3. Data Communication: Facilitates isolated I2C interfaces in systems requiring noise immunity.
4. Medical Equipment: Ensures patient safety through electrical isolation in medical devices.
5. Automotive Systems: Supports isolated communication in hybrid and electric vehicle systems.
These applications benefit from the device’s ability to provide robust electrical isolation while maintaining data integrity.

Package

The ADUM1250ARZ-RL7 is packaged in an 8-lead SOIC (Small Outline Integrated Circuit). This package is designed for surface mounting on PCBs and is commonly used for electronic components requiring isolated communication, such as digital isolators.

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