ADUM1285CRZ

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ADUM1285CRZ

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DGTL ISOLTR 3KV 2CH GP 8-SOIC

  • FabricanteAnalog Devices Inc.

  • Peça do Fabricante #ADUM1285CRZ

  • Ficha Técnica ADUM1285CRZ DataSheet

  • Em Estoque7963

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Especificações

Atributo Valor
Series iCoupler®
PartStatus Active
Technology Magnetic Coupling
Type General Purpose
IsolatedPower No
NumberofChannels 2
Inputs-Side1/Side2 2/0
ChannelType Unidirectional
Voltage-Isolation 3000Vrms
CommonModeTransientImmunity(Min) 25kV/µs
DataRate 100Mbps
PropagationDelaytpLH/tpHL(Max) 24ns, 24ns
PulseWidthDistortion(Max) 2ns
Rise/FallTime(Typ) 2.5ns, 2.5ns
Voltage-Supply 3V ~ 5.5V
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case 8-SOIC (0.154", 3.90mm Width)
SupplierDevicePackage 8-SOIC
BaseProductNumber ADUM1285

Visão Geral

Description

The ADuM1285CRZ is a dual-channel digital isolator manufactured by Analog Devices. It utilizes Analog Devices' iCoupler technology to provide signal isolation between two different voltage domains. This component is often used in applications that require electrical isolation for safety and signal integrity, such as power supply circuits, data communications, and industrial control systems.
Key features of the ADuM1285CRZ include:
1. Isolation Voltage: It offers a high isolation rating, typically up to 3.75 kV RMS, ensuring robust electrical isolation between input and output.
2. Data Rate: It supports data transfer rates up to 25 Mbps, suitable for high-speed communication needs.
3. Low Power Consumption: With low current consumption, it is efficient for energy-sensitive applications.
4. Wide Supply Range: Operating over a wide supply voltage range, it offers flexibility in varying circuit designs.
5. Compact Package: Available in a small form factor, making it suitable for designs with space constraints.
Overall, the ADuM1285CRZ is a reliable choice for enhancing the safety and efficiency of electronic systems requiring isolation.

Equivalent

The ADuM1285CRZ is a dual-channel digital isolator from Analog Devices. Equivalent products include:
1. Texas Instruments ISO7721
2. Silicon Labs Si8621
3. Broadcom/Avago Technologies ACPL-072L
When selecting an equivalent, consider parameters such as isolation voltage, data rate, supply voltage, package type, and pin configuration to ensure they meet your specific application requirements.

Features

The ADUM1285CRZ is a dual-channel digital isolator designed for use in harsh environments. Key features include:
1. Data Rate: Supports data rates up to 25 Mbps, suitable for various communication protocols.
2. Isolation Technology: Utilizes iCoupler® technology, offering reliable signal isolation with a high common-mode transient immunity (CMTI) of typically 50 kV/μs.
3. Isolation Rating: Provides 2.5 kVrms isolation for a 1-minute duration, ensuring safe operation in electrical isolation settings.
4. Power Supply: Operates on a wide range of supply voltages from 3.0 V to 5.5 V, accommodating different power requirements.
5. Low Power Consumption: Features low power operation, which enhances efficiency in power-sensitive applications.
6. Compact Package: Available in a small, 8-lead SOIC package (RZ), facilitating easy integration into circuit designs with space constraints.
7. Temperature Range: Functions effectively over an extended industrial temperature range, suitable for various environments.
Overall, the ADUM1285CRZ offers robust performance for isolating digital signals in industrial, medical, and communication applications.

Pinout

The ADUM1285CRZ is a dual-channel digital isolator manufactured by Analog Devices. It features a total of 8 pins. The primary function of the ADUM1285CRZ is to provide digital isolation between two circuits, allowing data transmission across an isolation barrier while maintaining electrical isolation.
Here’s a brief overview of its pin configuration and functions:
1. VDD1 (Pin 1): Power supply for the input side.
2. GND1 (Pin 2): Ground reference for the input side.
3. VIA (Pin 3): Input for channel A.
4. VIB (Pin 4): Input for channel B.
5. VOB (Pin 5): Output for channel B.
6. VOA (Pin 6): Output for channel A.
7. GND2 (Pin 7): Ground reference for the output side.
8. VDD2 (Pin 8): Power supply for the output side.
The device typically operates with a supply voltage range of 3.0 V to 5.5 V and offers a data rate of up to 25 Mbps. It is commonly used in applications requiring safe electrical isolation, such as in industrial automation, power supply systems, and instrumentation.

Manufacturer

The ADUM1285CRZ is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company provides solutions for a wide range of applications, including industrial, automotive, healthcare, communications, and consumer electronics. Analog Devices is known for its expertise in data conversion and signal conditioning technology, and it plays a significant role in enabling high-performance electronics through its innovative semiconductor products.

Application

The ADUM1285CRZ is a digital isolator primarily used in applications requiring electrical isolation without the use of optocouplers. Its key application areas include industrial automation systems, power supply circuits, data acquisition systems, and renewable energy systems. It is also utilized in motor drives, communication interfaces, and medical equipment where safety and signal integrity are critical. The device is suitable for isolating microcontrollers, sensors, and data lines to prevent ground loops and ensure reliable data transmission in environments with high electrical noise. Its robust isolation capabilities make it ideal for protecting sensitive electronics from transient voltage spikes and electromagnetic interference.

Package

The ADUM1285CRZ is provided in an 8-lead Standard Small Outline Package (SSOP).

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