ADuM1253 - I2C Isolator

Product Overview

Analog Devices

Datasheet Details

Part number	ADuM1253
Manufacturer	Analog Devices
File Size	857.77 KB
Description	I2C Isolator
Datasheet	ADuM1253 Datasheet
Additional preview pages of the ADuM1253 datasheet.

Product details

Description

The ADuM1253 offers two open-drain channels, one unidirectional and one bidirectional for applications, such as I2C, that require data to be transmitted in both directions on the same line but have a unidirectional clock.

Features

conventional buffers that do not regulate logic-low output voltage. The ADuM1253 features independent 1.71V to 5.5V supplies on both side 1 and side 2 of the isolator. The device operates up to 2MHz. The ultra-low standby current of 21µA per side is ideal for battery-operated systems. The ADuM1253 provides a disturbance-free bus connection for hot-plug connections on side 2 by first precharging the bus pins and then monitoring the bus state for either an idle bus or detection of a I2C stop condi.

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Published: Dec 31, 2024 |