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MC33941 - Electric Field Imaging Device

Features

  • Supports up to 7 Electrodes Shield Driver for Driving Remote Electrodes Through Coaxial High-Purity Sine Wave Generator Tunable with External Resistor Response Time Tunable with External Capacitor +5V Regulator to Power External Circuit Can support up to 28 touch pad sensors (2 way multiplexing) Extended Temperature Range 0 to 110oC Pb-Free and RoHS compliant EG SUFFIX (Pb-FREE) 24-.

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Datasheet preview – MC33941

Datasheet Details

Part number MC33941
Manufacturer Freescale Semiconductor
File Size 347.17 KB
Description Electric Field Imaging Device
Datasheet download datasheet MC33941 Datasheet
Additional preview pages of the MC33941 datasheet.

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Full PDF Text Transcription

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www.DataSheet4U.com Freescale Semiconductor Technical Data Document Number: MC33941 Rev. 3, 11/2006 Electric Field Imaging Device The MC33941 is intended for cost-sensitive applications where non-contact sensing of objects is desired. When connected to external electrodes, an electric field is created. The MC33941 detects objects in this electric field. The IC generates a low-frequency sine wave, which is adjustable by using an external resistor and is optimized for 120 kHz. The sine wave has very low harmonic content to reduce harmonic interference. The MC33941 also contains support circuits for a microcontroller unit (MCU) to allow the construction of a two-chip E-field system.
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