Datasheet > MC33941R2

MC33941R2

更新时间： 2024-11-11 11:09:11

品牌	Logo	应用领域
飞思卡尔 - FREESCALE		/
页数	文件大小	规格书
11页	321K
描述
Electric Field Imaging Device

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数据手册

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MC33941R2 数据手册

Document Number: MC33941

Rev. 3, 11/2006

Freescale Semiconductor

Technical Data

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.

MC33941

ELECTRONIC 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 110^oC

Pb-Free and RoHS compliant

EG SUFFIX (Pb-FREE)

24-TERMINAL SOICW

CASE 751E-04

Typical Applications

•

Appliance Control Panels and Touch Sensors

Linear and Rotational Sliders

Spill Over Flow Sensing Measurement

Refrigeration Frost Sensing

Industrial Control and Safety Systems Security

Proximity Detection for Wake-Up Features

Touch Screens

DGND

N/C

SHIELDEN

Garage Door Safety Sensing

PC Peripherals

LEVEL

LPCAP

ROSC

VDDCAP

VPWR

VCCCAP

Patient Monitoring

TEST

GND

SHIELD

AGND

Point of Sale Terminals

Size Detection

Liquid Level Sensing

ORDERING INFORMATION

Temperature

Pin Connections

Device Name

Drawing

Package

Range

MC33941EG/R2

0 to 110°C

98ASB42564B

SOICW-24

12 3 4 5 6 7...11

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与MC33941R2相关器件

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MC33970	NXP	获取价格	Dual Gauge Driver Integrated Circuit with Improved Damping Algorithms
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MC33972	FREESCALE	获取价格	Multiple Switch Detection Interface with Suppressed Wake-Up
MC33972	MOTOROLA	获取价格	Multiple Switch Detection Interface with Suppressed Wake-Up
MC33972_08	FREESCALE	获取价格	Multiple Switch Detection Interface with Suppressed Wake-Up
MC33972A	FREESCALE	获取价格	Multiple Switch Detection Interface with Suppressed Wake-Up
MC33972APEK	NXP	获取价格	Switch Detection Interface, 22-switches with Suppressed Wakeup, 3.3 V / 5.0 V SPI , SOIC 3
MC33972APEW	NXP	获取价格	Switch Detection Interface, 22-switches with Suppressed Wakeup, 3.3 V / 5.0 V SPI , SOIC 3
MC33972ATEK	NXP	获取价格	Switch Detection Interface, 22-switches with Suppressed Wakeup, 3.3 V / 5.0 V SPI , SOIC 3