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参数资料
| 型号： | MC34940EG |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 11/12页 |
| 文件大小： | 0K |
| 描述： | IC IMAGING DEVICE ELECT 24-SOICW |
| 标准包装： | 30 |
| 类型： | 图像传感器 |
| 输入类型： | 逻辑 |
| 输出类型： | 电压 |
| 电流 - 电源： | 8mA |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 24-SOIC W |
| 包装： | 管件 |
| 配用： | DEMO1985MC34940E-ND - KIT DEMO FOR MC34940E FAMILY |
Sensors
8
Freescale Semiconductor
MC34940
BASIC CONNECTIONS
PIN DESCRIPTIONS
Figure 5. Pin Descriptions
Figure 6. Simplified Application Diagram
Table 5. Electrode Selection
Terminal/SIGNAL
C
B
A
No electrodes selected
0
E1
0
1
E2
0
1
0
E3
0
1
E4
1
0
E5
1
0
1
E6
1
0
E7
1
N/C
E7
E6
E5
E4
E3
E2
E1
TEST
GND
SHIELD
AGND
DGND
N/C
SHIELDEN
C
B
A
LEVEL
LPCAP
ROSC
VDDCAP
VPWR
VCCCAP
Table 6. Pin Description
Pin
Number
Pin Name
Definition
1
DGND
Connected to the ground return
2, 24
N/C
These pins should be left open.
3
SHIELDEN
Used to enable the shield signal
4,5,6
C, B, A
Controls electrode or reference activity
7
LEVEL
This is the detected, amplified, and
offset representation of the signal
voltage on the selected electrode
8
LPCAP
A capacitor on this pin forms a low pass
filter with the internal series resistance
from the detector to this pin
9
ROSC
A resistor from this pin to circuit ground
determines the operating frequency of
the oscillator
10
VDDCAP
A 47 F capacitor is connected to this
pin to filter the internal analog regulated
supply
11
VPWR
12 V power applied to this pin will be
converted to the internal regulated
voltages needed to operate the part
12
VCCCAP
A 47 F capacitor is connected to this
pin to filter the internal digital regulated
supply
13
AGND
Connected to the ground return of the
analog circuitry
14
SHIELD
Connects to cable shields to cancel
cable capacitance.
15
GND
Main IC ground
16
TEST
Connect to circuit ground
17-23
E1–E7
Electrode pins
MC34940
Field Electrodes
(E1 through E7)
MCU
SHIELDEN
AGND
TEST
ROSC
GND
VDDCAP
E1
E7
SHIELD
VPWR
Analog In
Electrode Select
Shield Enable
LPCAP
LEVEL
A, B, C
VCCCAP
3
+12 V
39k
10 nF
47
F
47
F
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MC34940EG | 制造商:Freescale Semiconductor 功能描述:PROXIMITY SENSOR IC |
| MC34940EGR2 | 功能描述:近程传感器 ELECTRINIC FIELD IMAGING 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 |
| MC34943 | 制造商:SPC Multicomp 功能描述:CONNECTOR MICRO SD HINGED |
| MC34945 | 制造商:SPC Multicomp 功能描述:CABLE ASSEMBLY HDMI TO HDMI 2M 制造商:SPC Multicomp 功能描述:CABLE ASSEMBLY, HDMI, TO HDMI, 2M 制造商:SPC Multicomp 功能描述:HDMI AUDIO/VIDEO CABLE, 2M, 28AWG, BLACK; Cable Length - Imperial:6.56ft; Cable Length - Metric:2m; Connector Type A:HDMI Plug; Connector Type B:HDMI Plug; Jacket Color:Black; Cable Assembly Type:HDMI; Cable Length:2m ;RoHS Compliant: Yes |
| MC34947 | 制造商:SPC Multicomp 功能描述:CABLE ASSEMBLY HDMI TO HDMI 3M 制造商:SPC Multicomp 功能描述:CABLE ASSEMBLY, HDMI, TO HDMI, 3M 制造商:SPC Multicomp 功能描述:HDMI AUDIO/VIDEO CABLE, 3M, 28AWG, BLACK; Cable Length - Imperial:9.84ft; Cable Length - Metric:3m; Connector Type A:HDMI Plug; Connector Type B:HDMI Plug; Jacket Color:Black; Cable Assembly Type:HDMI; Cable Length:3m ;RoHS Compliant: Yes |
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