ADuM1253 - I2C Isolator

Name: ADuM1253
SKU: ADuM1253-1559579

Analog Devices

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Datasheet Details

Part number	ADuM1253
Manufacturer	Analog Devices
File Size	857.77 KB
Description	I2C Isolator
Datasheet	ADuM1253-AnalogDevices.pdf

ADuM1253 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 |