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参数资料
| 型号： | MC33794 |
| 厂商： | 飞思卡尔半导体(中国)有限公司 |
| 英文描述： | Electric Field Imaging Device(电场成像设备) |
| 中文描述： | 电场成像设备（电场成像设备） |
| 文件页数： | 8/20页 |
| 文件大小： | 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,
n
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MC33794DH | 功能描述:IC SENSOR ELECTRIC FIELD 44-HSOP RoHS:是 类别:集成电路 (IC) >> 接口 - 传感器和探测器接口 系列:- 其它有关文件:Automotive Product Guide 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:74 系列:- 类型:触控式传感器 输入类型:数字 输出类型:数字 接口:JTAG，串行 电流 - 电源:100µA 安装类型:表面贴装 封装/外壳:20-TSSOP（0.173"，4.40mm 宽） 供应商设备封装:20-TSSOP 包装: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 类别:集成电路 (IC) >> 接口 - 传感器和探测器接口 系列:- 其它有关文件:Automotive Product Guide 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:74 系列:- 类型:触控式传感器 输入类型:数字 输出类型:数字 接口:JTAG，串行 电流 - 电源:100µA 安装类型:表面贴装 封装/外壳:20-TSSOP（0.173"，4.40mm 宽） 供应商设备封装:20-TSSOP 包装:管件 |
| MC33794DWBR2 | 功能描述:IC SENSOR ELECTRIC FIELD 54-SOIC RoHS:否 类别:集成电路 (IC) >> 接口 - 传感器和探测器接口 系列:- 其它有关文件:Automotive Product Guide 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:74 系列:- 类型:触控式传感器 输入类型:数字 输出类型:数字 接口:JTAG，串行 电流 - 电源:100µA 安装类型:表面贴装 封装/外壳:20-TSSOP（0.173"，4.40mm 宽） 供应商设备封装:20-TSSOP 包装:管件 |
| MC33794EK | 功能描述:近程传感器 ODS 54LD RoHS:否 制造商:Vishay Semiconductors 感应方式:Optical 感应距离:1 mm to 200 mm 电源电压:2.5 V to 3.6 V 安装风格:SMD/SMT 输出配置:Digital 最大工作温度:+ 85 C 最小工作温度:- 25 C 系列:VCNL3020 |
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