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MC33978 - 22-channel multiple switch detection interface

NXP

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Datasheet Details

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

MC33978 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 |