參數(shù)資料
型號(hào)： MC33794
廠商： 飛思卡爾半導(dǎo)體(中國(guó))有限公司
英文描述： Electric Field Imaging Device(電場(chǎng)成像設(shè)備)
中文描述： 電場(chǎng)成像設(shè)備（電場(chǎng)成像設(shè)備）
文件頁(yè)數(shù)： 8/20頁(yè)
文件大?。?/td> 742K
代理商： MC33794
33794
8
Go to: www.freescale.com
36–44
E1–E9
Electrode Connections
These are the electrode pins. They are connected either directly or through coaxial
cables to the electrodes for measurements. One of these electrodes can be
selected at a time for capacitance measurement. All of the other unselected
electrodes are grounded by an internal switch. The signal at the selected electrode
pin is routed to the shield driver amplifier by an internal switch. All of the coaxial
cable shields should be isolated from ground and connected SHIELD.
45, 46
REF_A,
REF_B
Reference Connections
These pins can be individually selected like E1 through E9. Unlike E1 through E9,
these pins are not grounded when not selected. The purpose of these pins is to
allow known capacitors to be measured. By using capacitors at the low and high
end of the expected range, absolute values for the capacitance on the electrodes
can be computed.
47
ISO_OUT
ISO-9141 Output
This pin translates ISO-9141 receive levels to 5.0 V logic levels for the MCU.
51
ISO_IN
ISO-9141 Input
This pin accepts data from the MCU to be sent over the ISO-9141 communications
interface. It translates the 5.0 V logic levels from the MCU to transmit levels on the
ISO-9141 bus.
53
ISO-9141
ISO-9141 Bus
This pin connects to the ISO-9141 bus. It provides the drive and detects signaling
on the bus and translates it from the bus level to logic levels for the MCU.
54
LAMP_CTRL
Lamp Control
This signal is used to control the lamp driver. A high logic level turns on the lamp.
SOICW-EP PIN FUNCTION DESCRIPTION (continued)
Pin
Pin Name
Formal Name
Definition
F
Freescale Semiconductor, Inc.
For More Information On This Product,
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參數(shù)描述
MC33794DH 功能描述:IC SENSOR ELECTRIC FIELD 44-HSOP RoHS:是 類(lèi)別:集成電路 (IC) >> 接口 - 傳感器和探測(cè)器接口 系列:- 其它有關(guān)文件:Automotive Product Guide 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:74 系列:- 類(lèi)型:觸控式傳感器 輸入類(lèi)型:數(shù)字 輸出類(lèi)型:數(shù)字 接口:JTAG，串行 電流 - 電源:100µA 安裝類(lèi)型:表面貼裝 封裝/外殼:20-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:20-TSSOP 包裝:管件
MC33794DHR2 制造商:Rochester Electronics LLC 功能描述:OCCUPANT DETECT E-FIELD SENSOR FOR MCU SUPPORT - Bulk
MC33794DWB 功能描述:IC SENSOR ELECTRIC FIELD 54-SOIC RoHS:否 類(lèi)別:集成電路 (IC) >> 接口 - 傳感器和探測(cè)器接口 系列:- 其它有關(guān)文件:Automotive Product Guide 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:74 系列:- 類(lèi)型:觸控式傳感器 輸入類(lèi)型:數(shù)字 輸出類(lèi)型:數(shù)字 接口:JTAG，串行 電流 - 電源:100µA 安裝類(lèi)型:表面貼裝 封裝/外殼:20-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:20-TSSOP 包裝:管件
MC33794DWBR2 功能描述:IC SENSOR ELECTRIC FIELD 54-SOIC RoHS:否 類(lèi)別:集成電路 (IC) >> 接口 - 傳感器和探測(cè)器接口 系列:- 其它有關(guān)文件:Automotive Product Guide 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:74 系列:- 類(lèi)型:觸控式傳感器 輸入類(lèi)型:數(shù)字 輸出類(lèi)型:數(shù)字 接口:JTAG，串行 電流 - 電源:100µA 安裝類(lèi)型:表面貼裝 封裝/外殼:20-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:20-TSSOP 包裝:管件
MC33794EK 功能描述:近程傳感器 ODS 54LD RoHS:否 制造商:Vishay Semiconductors 感應(yīng)方式:Optical 感應(yīng)距離:1 mm to 200 mm 電源電壓:2.5 V to 3.6 V 安裝風(fēng)格:SMD/SMT 輸出配置:Digital 最大工作溫度:+ 85 C 最小工作溫度:- 25 C 系列:VCNL3020
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