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See Technical Specifications

ADuM1281BRZ

Analog Devices ADUM1281BRZ

Manufacturer:

Analog Devices
Mfr.Part #:

ADuM1281BRZ
Datasheet:

ADuM1281BRZ Datasheet (PDF)
Series:

ADUM1281
Mounting Style:

SMD/SMT
Number of Channels:

2 Channel
Polarity:

Unidirectional
EDA/CAD Models:

Request Free CAD Models for ADuM1281BRZ

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ADuM1281BRZ General Description

The ADUM1281BRZ is a digital isolator developed by Analog Devices. It features two channels for isolating digital signals in a variety of applications. With a data rate of up to 100 Mbps, it ensures high-speed signal transmission while providing galvanic isolation to protect sensitive circuitry and improve system reliability. The isolator operates with a supply voltage ranging from 2.7V to 5.5V, making it compatible with a wide range of systems. It employs iCoupler® technology to achieve high levels of isolation and noise immunity, meeting safety and regulatory requirements. The device comes in a small, surface-mount package, facilitating easy integration into compact designs. It is suitable for applications such as industrial automation, medical devices, and isolated communication interfaces where reliable signal isolation is essential for system performance and safety

Key Features

The ADUM1281BRZ is a digital isolator with four channels

It provides high-speed data transmission of up to 150 Mbps and features low power consumption

It offers galvanic isolation to protect sensitive circuitry and is suitable for industrial applications requiring reliable signal isolation

Additionally, it operates over a wide temperature range

Application

The ADUM1281BRZ is commonly used in applications requiring isolation between low-speed data interfaces, such as SPI, I2C, and UART

It's suitable for industrial automation, medical devices, and isolated sensor monitoring

Its integrated isolation barrier provides reliable signal transmission while ensuring electrical safety and noise immunity in harsh environments

Specifications

Product Category	Digital Isolators	Series	ADUM1281
Mounting Style	SMD/SMT	Number of Channels	2 Channel
Polarity	Unidirectional	Data Rate	25 Mb/s
Isolation Voltage	3000 Vrms	Isolation Type	Magnetic Coupling
Supply Voltage - Max	5.5 V	Supply Voltage - Min	3.135 V
Operating Supply Current	4.7 mA, 4.9 mA	Propagation Delay Time	23 ns
Minimum Operating Temperature	- 40 C	Maximum Operating Temperature	+ 125 C
Maximum Fall Time	3 ns (Typ)	Maximum Rise Time	3 ns (Typ)
Operating Supply Voltage	5.5 V	Product Type	Digital Isolators
Pulse Width	40 ns	Factory Pack Quantity	98
Subcategory	Interface ICs	Type	General Purpose
Unit Weight	0.019048 oz