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MC33978 - 22-channel multiple switch detection interface

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NXP

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MC33978 22-channel multiple switch detection interface by NXP - Datasheet Preview — Datasheet preview – MC33978

Datasheet Details

Part number	MC33978
Manufacturer	NXP
File Size	1.03 MB
Description	22-channel multiple switch detection interface
Datasheet	MC33978 Datasheet
Additional preview pages of the MC33978 datasheet.

Product details

Description

The 33978 is designed to detect the closing and opening of up to 22 switch contacts.

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.
Switch-to-Ground (SG) or Switch-to-Battery (SB).
Operating switch input voltage range from -1.0 V to 36 V.
Selectable wetting current (2, 6, 8, 10, 12, 14, 16, or 20 mA).
Pr.

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Published: Jul 16, 2020 |