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MC33975EK Datenblatt (PDF) - Freescale Semiconductor, Inc

MC33975EK Datasheet PDF - Freescale Semiconductor, Inc
Teilenummer MC33975EK
Download  MC33975EK Download

Filegröße   1313.0 Kbytes
Page   34 Pages
Hersteller  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc
Bauteilbeschribung Multiple Switch Detection Interface with Suppressed Wake-up and 32mA Wetting Current

MC33975EK Datasheet (PDF)

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MC33975EK Datasheet PDF - Freescale Semiconductor, Inc

Teilenummer MC33975EK
Download  MC33975EK Click to download

Filegröße   1313.0 Kbytes
Page   34 Pages
Hersteller  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc
Bauteilbeschribung Multiple Switch Detection Interface with Suppressed Wake-up and 32mA Wetting Current

MC33975EK Datenblatt (HTML) - Freescale Semiconductor, Inc

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MC33975EK Produktdetails

The 33975 Multiple Switch Detection Interface with Suppressed Wake-up is designed to detect the closing and opening of up to 22 switch contacts. The switch status, either open or closed, is transferred to the microprocessor unit (MCU) through a serial peripheral interface (SPI). The device also features a 22-to-1 analog multiplexer for reading inputs as analog.
The 33975 device has two modes of operation, Normal and Sleep. Normal Mode allows programming of the device and supplies switch contacts with pull-up or pull-down current as it monitors the switch change of state. The Sleep Mode provides low quiescent current, which makes the 33975 ideal for automotive and industrial products requiring low sleep state currents.
Improvements are a programmable interrupt timer for Sleep Mode that can be disabled, switch detection currents of 32mA and 4.0mA for switch-to-ground inputs, and an interrupt bit that can be reset.

Features
• Designed to operate from 5.5V ≤ VPWR ≤ 28V
• Switch input voltage: (33975: -14 to 38V) (33975A: -14 to 40V)
• Interfaces to microprocessor using 3.3V/5.0V SPI protocol
• Selectable wake-up on change of state
• 14 switch-to-ground inputs
• 8 programmable inputs (switches to battery or ground)
• Selectable wetting current (32mA or 4.0mA for switch-to-ground
   inputs)
• Sleep State current VPWR 100μA, Vdd 20μA
• Pb-free packaging designated by suffix code EK




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Über Freescale Semiconductor, Inc


Freescale Semiconductor war eine amerikanische Halbleiterfirma, die 1948 gegründet wurde.
Das Unternehmen war ein führender Anbieter von Mikrocontrollern, Sensoren und anderen Halbleiterprodukten für verschiedene Anwendungen in den Märkten Automobil-, Industrie- und Verbrauchermärkte.
Die Produkte von Freescale waren für ihre hohe Leistung, ihren geringen Stromverbrauch und ihren kleinen Formfaktor bekannt.
Das Unternehmen wurde 2015 von den NXP -Semikoneitern übernommen, und seine Produkte und Technologien werden weiterhin unter der Marke NXP entwickelt und verkauft.

*Diese Informationen dienen nur zu allgemeinen Informationszwecken. Wir haften nicht für Verluste oder Schäden, die durch die oben genannten Informationen verursacht werden.




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