MC33978 22-channel multiple switch detection interface

NXP

Description

MC33978 22-channel multiple switch detection interface with programmable wetting current Rev.10 * 20 August 2024 Product data sheet 1 Ge.
The 33978 is designed to detect the closing and opening of up to 22 switch contacts.

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Datasheet Specifications

Part number: MC33978
Manufacturer: NXP ↗
File Size: 1.03 MB
Datasheet: MC33978-NXP.pdf
Description: 22-channel multiple switch detection interface

Features

* Fully functional operation from 4.5 V to 36 V
* Full parametric operation from 6.0 V to 28 V
* Low-power mode current IBATP = 30 μA and IDDQ = 10 μA
* 22 Switch detection channels
* 14 Switch-to-Ground (SG) inputs
* 8 Programmable switch (SP) inputs

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MC33978 22-channel multiple switch detection interface NXP

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