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参数资料
| 型号： | MMA3202KEGR2 |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 5/11页 |
| 文件大小： | 0K |
| 描述： | SENSOR ACCEL +/-100/50G 20-SOIC |
| 标准包装： | 1 |
| 轴： | X，Y |
| 加速范围： | ±112.5g，56.3g |
| 灵敏度： | 20mV/g，40mV/g |
| 电源电压： | 4.75 V ~ 5.25 V |
| 输出类型： | 线性 |
| 带宽： | 440Hz |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 20-SOIC W |
| 其它名称： | MMA3202KEGR2DKR |
BASIC CONNECTIONS
PINOUT DESCRIPTION
PCB Layout
N/C
N/C
N/C
N/C
ST
X OUT
STATUS
V SS
V DD
AV DD
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
GND
N/C
N/C
N/C
N/C
N/C
N/C
N/C
N/C
Y OUT
STATUS
ST
X OUT
Y OUT
V SS
V DD
R
1 k ?
R
1 k ?
C 0.1 ? F
C 0.01 ? F
C 0.01 ? F
C 0.1 ? F
P1
P0
A/D In
A/D In
V RH
V SS
V DD
C
0.1 ? F
Power Supply
Table 3. Pin Descriptions
Pin No.
Pin Name
Description
Figure 5. Recommended PCB Layout for Interfacing
1 thru 3
—
Leave unconnected.
NOTE:
Accelerometer to Microcontroller
4
5
—
ST
No internal connection. Leave
unconnected.
Logic input pin used to initiate self-test.
? Use a 0.1 ? F capacitor on V DD to decouple the power
source.
? Physical coupling distance of the accelerometer to the
microcontroller should be minimal.
6
7
8
9
10
11
12 thru 16
17 thru 19
20
X OUT
STATUS
V SS
V DD
AV DD
Y OUT
—
—
GND
Output voltage of the accelerometer. X
Direction.
Logic output pin to indicate fault.
The power supply ground.
The power supply input.
Power supply input (Analog).
Output voltage of the accelerometer. Y
Direction.
Used for factory trim. Leave
unconnected.
No internal connection. Leave
unconnected.
Ground.
? Place a ground plane beneath the accelerometer to
reduce noise, the ground plane should be attached to all
of the open ended terminals shown in Figure 5 .
? Use an RC filter of 1 k ? and 0.01 ? F on the output of the
accelerometer to minimize clock noise (from the switched
capacitor filter circuit).
? PCB layout of power and ground should not couple power
supply noise.
? Accelerometer and microcontroller should not be a high
current path.
? A/D sampling rate and any external power supply
switching frequency should be selected such that they do
not interfere with the internal accelerometer sampling
frequency. This will prevent aliasing errors.
V DD
Logic
Input
5 ST
9 V DD
MMA3202EG
X OUT
7
6
R1
1 k ?
Status
X Output
C1
0.1 ? F
10 AV DD
8 V SS
C2
0.01 ? F
Signal
Y OUT
11
R2
1 k ?
Y Output
Signal
C3
0.01 ? F
Figure 4. SOIC Accelerometer with Recommended
Connection Diagram
MMA3202KEG
Sensors
Freescale Semiconductor, Inc.
5
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MMA3204EG | 功能描述:加速计 - 板上安装 XY 100 / 30G SOIC-20 RoHS:否 制造商:Murata 传感轴:Double 加速:12 g 灵敏度: 封装 / 箱体: 输出类型:Analog 数字输出 - 位数:11 bit 电源电压-最大:5.25 V 电源电压-最小:4.75 V 电源电流:4 mA 最大工作温度:+ 125 C 最小工作温度:- 40 C |
| MMA3204EG | 制造商:Freescale Semiconductor 功能描述:ACCELERATION SENSOR XY 30/100G 制造商:Freescale Semiconductor 功能描述:ACCELERATION SENSOR, XY, 30/100G |
| MMA3204EGR2 | 功能描述:加速计 - 板上安装 XY 100 / 30G SOIC-20 RoHS:否 制造商:Murata 传感轴:Double 加速:12 g 灵敏度: 封装 / 箱体: 输出类型:Analog 数字输出 - 位数:11 bit 电源电压-最大:5.25 V 电源电压-最小:4.75 V 电源电流:4 mA 最大工作温度:+ 125 C 最小工作温度:- 40 C |
| MMA3204KEG | 制造商:Freescale Semiconductor 功能描述:Accelerometer Dual ±100g/±30g 5V 19mV/g to 21mV/g/63.33mV/g to 70mV/g 20-Pin SOIC W 制造商:Freescale Semiconductor 功能描述:ACCELEROMETER DUAL ?100G/?30G 5V 19MV/G TO 21MV/G/63.33MV/G - Bulk 制造商:Freescale Semiconductor 功能描述:IC ACCEL XY-AXIS 100/30G 20SOIC 制造商:Freescale Semiconductor 功能描述:XY 100 / 30G SOIC-20 制造商:Freescale Semiconductor 功能描述:Accelerometer,xy-axis,100/30,Vout,SOIC20 制造商:Freescale 功能描述:Accelerometer Dual ±100g/±30g 5V 19mV/g to 21mV/g/63.33mV/g to 70mV/g 20-Pin SOIC W |
| MMA3204KEGR2 | 制造商:Freescale Semiconductor 功能描述:Accelerometer Dual ±100g/±30g 5V 19mV/g to 21mV/g/63.33mV/g to 70mV/g 20-Pin SOIC W T/R 制造商:Freescale Semiconductor 功能描述:ACCELEROMETER DUAL ?100G/?30G 5V 19MV/G TO 21MV/G/63.33MV/G - Tape and Reel 制造商:Freescale Semiconductor 功能描述:IC ACCEL XY-AXIS 100/30G 20SOIC 制造商:Freescale Semiconductor 功能描述:XY 100 / 30G SOIC-20 |
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