ADUM1252ASA+T

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ADUM1252ASA+T

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DGTL ISO 3KV 4CH CAN/I2C 8-SOIC

  • HerstellerAnalog Devices Inc./Maxim Integrated

  • Herstellerteil #ADUM1252ASA+T

  • Datenblatt ADUM1252ASA+T DataSheet

  • Auf Lager5137

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Spezifikationen

Attribut Wert
Part Status Active
Technology Capacitive Coupling
Type CAN, I2C
Isolated Power Yes
Number of Channels 4
Inputs - Side 1 / Side 2 2/2
Channel Type Bidirectional
Voltage - Isolation 3000Vrms
Common Mode Transient Immunity (Min) 200kV/µs
Data Rate 2MHz
Propagation Delay tp LH / tp HL (Max) 50ns, 133.3ns
Pulse Width Distortion (Max) 94.2ns
Rise / Fall Time (Typ) -, 36.1ns
Voltage - Supply 1.71V ~ 5.5V
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC

Übersicht

Description

The ADUM1252ASA+T is a dual-channel digital isolator from Analog Devices. It employs iCoupler® technology to achieve high data rates and reliable isolation between systems. This device is designed for applications requiring isolation of digital signals with data rates of up to 25 Mbps. The ADUM1252ASA+T provides a galvanic isolation barrier, ensuring that ground loops or voltage differences between systems do not affect signal integrity.
Key features include:
1. High Isolation Voltage: It offers a high isolation voltage of 2.5 kVrms, making it suitable for industrial applications.
2. Low Power Consumption: The device is designed to minimize power usage, which is critical in systems where energy efficiency is a priority.
3. Wide Temperature Range: It operates effectively within a wide temperature range, enhancing its suitability for various environments.
4. Compact Package: Offered in a small, 8-lead SOIC package, it saves space on crowded PCBs.
This isolator is commonly used in applications like microcontroller interfaces, sensor interfaces, and data communication systems where electrical isolation is required to protect sensitive components.

Equivalent

The ADUM1252ASA+T is a dual-channel digital isolator from Analog Devices. Equivalent products include:
1. Texas Instruments ISO7721: Dual-channel digital isolator.
2. Silicon Labs Si8621: Automotive-grade dual-channel isolator.
3. Broadcom ACPL-C79A: Dual-channel, high-speed digital isolator.
4. Maxim Integrated MAX14934: Dual-channel digital isolator.
These alternatives offer similar isolation capabilities and form factors, though specifications should be checked for exact compatibility.

Features

The ADUM1252ASA+T is a digital isolator by Analog Devices that features dual-channel isolation. It utilizes iCoupler® technology to provide high-speed, bidirectional communication while offering electrical isolation between different parts of a system. Key features include:
1. Isolation Rating: Provides reinforced isolation with a rating of up to 2500 Vrms, which is suitable for various industrial applications.
2. Data Rate: Supports data rates up to 25 Mbps, making it ideal for high-speed data transmission.
3. Low Power Consumption: Incorporates low power operation, reducing the demand on power supply resources.
4. Wide Temperature Range: Operates effectively over a temperature range of -40°C to +105°C, ensuring reliability in harsh environments.
5. Compact Package: Available in a small 8-lead SOIC package, facilitating easy integration into compact designs.
6. Robust Performance: Provides stable performance with low signal distortion and high noise immunity.
These features make the ADUM1252ASA+T suitable for applications requiring reliable digital isolation, such as in industrial automation, instrumentation, and communication systems.

Pinout

The ADUM1252ASA+T is a digital isolator manufactured by Analog Devices. It features a total of 8 pins. The device is designed to provide isolation between two systems and is used to protect components from high voltages and noise. Key functions include:
1. VDD1, VDD2: Power supply pins for each side of the isolator, providing the necessary operating voltage for the device.
2. GND1, GND2: Ground pins for each side, ensuring a common reference for the respective circuits.
3. SDA1, SDA2: Serial Data pins for I2C communication, allowing data transmission between the isolated sections.
4. SCL1, SCL2: Serial Clock pins for I2C communication, synchronizing the data transfer over the SDA lines.
The ADUM1252ASA+T supports I2C protocols, making it suitable for applications where isolated I2C communication is required. With its 8-pin configuration, this device offers reliable performance for isolating sensitive electronics in various industrial and consumer applications.

Manufacturer

The ADUM1252ASA+T is manufactured by Analog Devices, Inc. Analog Devices is a multinational company that specializes in the design and manufacturing of a wide range of semiconductor devices. The company is recognized for its innovations in analog, digital, and mixed-signal processing technologies. Its products are integral in various applications, including industrial, automotive, healthcare, communications, and consumer electronics. Analog Devices is known for its focus on high-performance analog products, data converters, amplifiers, and other integrated circuits that serve various market segments and enhance technological advancements in numerous fields.

Application

The ADUM1252ASA+T is a digital isolator used primarily for isolating data signals in various applications. Key application areas include:
1. Industrial Automation: Ensures safe and noise-free communication between different parts of automation systems.
2. Power Supplies: Provides isolation in switched-mode power supplies to prevent ground loops and enhance safety.
3. Medical Equipment: Offers reliable data isolation to prevent electrical noise interference.
4. Telecommunications: Ensures signal integrity and isolation in communication infrastructures.
5. Instrumentation: Used in test and measurement equipment for safe and accurate data acquisition.
Its wide range of applications is due to its robustness, high-speed data transfer capabilities, and excellent isolation characteristics.

Package

The ADUM1252ASA+T is packaged in an 8-lead SOIC (Small Outline Integrated Circuit), also denoted as "SOIC-8." This is a surface-mount package commonly used for electronic components, offering reliable performance and compact size.

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