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Did you mean: ADuM1400 replace chip

AI Overview

The ADuM1400ARWZ chip can be directly replaced by the

ADuM1400BRWZ or ADuM1400CRWZ if a higher data rate is acceptable for your application. It is also still available for purchase from major electronic component distributors.

Direct Replacements and Alternatives

ADuM1400BRWZ: This is a direct functional replacement within the same family with a higher performance speed of 10Mbps (vs 1Mbps for the 'A' grade).
ADuM1400CRWZ: This offers the highest performance speed within the family at 90Mbps.
ADuM1401ARWZ / ADuM1402ARWZ: These parts are also in the same family but offer different channel configurations (e.g., different directionality for the four channels). Check the datasheet to ensure the channel directionality meets your needs.
Other Manufacturers: Equivalent digital isolators from other manufacturers, such as Texas Instruments' ISO6721B series (with appropriate channel count and configuration checks), could also be used but may require a redesign of the PCB layout as they might not be pin-compatible.

Key Specifications for Replacement

When choosing a replacement, ensure the following specifications match your original design requirements:

Number of Channels: The ADuM1400ARWZ has 4 channels.
Channel Type: All channels are unidirectional in the '1400' configuration (4 inputs on Side 1, 0 inputs on Side 2).
Isolation Voltage: It provides 2.5 kVrms isolation.
Data Rate: The 'A' grade has a maximum data rate of 1 Mbps.
Supply Voltage: It operates on a supply voltage range of 2.7V to 5.5V.
Package Type: It uses a 16-pin SOIC Wide (SOIC_W) surface mount package.
Common Mode Transient Immunity (CMTI): Minimum of 25 kV/µs.

Where to Purchase

The original ADuM1400ARWZ and its family parts are widely available from electronic component distributors such as:

DigiKey
Mouser Electronics
Newark
Richardson RFPD

Consult the official Analog Devices datasheet for the ADuM1400 series to verify the exact specifications and pin configurations for potential replacements.

ADUM1400ARWZ-RL Analog Devices Inc. | Isolators - DigiKey
Table_title: ADUM1400ARWZ-RL Table_content: header: | Resource Type | Link | row: | Resource Type: Datasheets | Link: ADUM140(0-2)
DigiKey
ADUM1400ARWZ Analog Devices Inc. | Isolators - DigiKey Singapore
Table_title: ADUM1400ARWZ Table_content: header: | Type | Description | row: | Type: Rise / Fall Time (Typ) | Description: 2.5ns, ...
DigiKey Singapore
ADUM1400ARWZ Analog Devices Inc. | Isolators - DigiKey
Table_title: ADUM1400ARWZ Table_content: header: | Type | Description | row: | Type: Inputs - Side 1/Side 2 | Description: 4/0 | r...
DigiKey

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Analog Devices

https://www.analog.com › products › adum1400

Analog Devices

https://www.analog.com › products › adum1400

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