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參數(shù)資料
| 型號(hào)： | MMA3202 |
| 廠商： | 飛思卡爾半導(dǎo)體(中國(guó))有限公司 |
| 英文描述： | Surface Mount Micromachined Accelerometer |
| 中文描述： | 表面貼裝微加速度計(jì) |
| 文件頁(yè)數(shù)： | 5/10頁(yè) |
| 文件大小： | 248K |
| 代理商： | MMA3202 |
Sensors
Freescale Semiconductor
5
MMA3202D
BASIC CONNECTIONS
PINOUT DESCRIPTION
Figure 4. SOIC Accelerometer with Recommended
Connection Diagram
PCB Layout
Figure 5. Recommended PCB Layout for Interfacing
Accelerometer to Microcontroller
NOTE:
Use a 0.1
μ
F capacitor on V
DD
to decouple the power
source.
Physical coupling distance of the accelerometer to the
microcontroller should be minimal.
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
μ
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.
Table 3. Pin Descriptions
Pin No.
Pin Name
Description
1 thru 3
—
Leave unconnected.
4
—
No internal connection. Leave
unconnected.
5
ST
Logic input pin used to initiate self-test.
6
X
OUT
Output voltage of the accelerometer. X
Direction.
7
STATUS
Logic output pin to indicate fault.
8
V
SS
The power supply ground.
9
V
DD
The power supply input.
10
AV
DD
Power supply input (Analog).
11
Y
OUT
Output voltage of the accelerometer. Y
Direction.
12 thru 16
—
Used for factory trim. Leave
unconnected.
17 thru 19
—
No internal connection. Leave
unconnected.
20
GND
Ground.
14
13
12
11
15
16
17
18
19
20
8
9
7
6
5
4
3
2
1
N/C
N/C
ST
X
OUT
STATUS
V
DD
AV
DD
GND
N/C
N/C
N/C
N/C
N/C
N/C
N/C
N/C
Y
OUT
10
V
SS
N/C
N/C
10
X
OUT
Y
OUT
MMA3202D
ST
V
DD
V
SS
R1
1 k
C2
0.01
μ
F
5
9
8
Logic
Input
V
DD
C1
0.1
μ
F
7
6
C3
0.01
μ
F
R2
1 k
AV
DD
11
Status
X Output
Signal
Y Output
Signal
P0
A/D In
A/D In
V
RH
V
SS
V
DD
ST
Y
OUT
V
SS
V
DD
0.01
μ
F
C
1 k
0.1
μ
F
0.1
μ
F
Power Supply
C
R
C
0.1
μ
F
P1
STATUS
X
OUT
R
0.01
μ
F
C
1 k
M
A
C
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MMA3202_06 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Surface Mount Micromachined Accelerometer |
| MMA3202D | 功能描述:加速計(jì) - 板上安裝 4.75-5.25 VOLT RoHS:否 制造商:Murata 傳感軸:Double 加速:12 g 靈敏度: 封裝 / 箱體: 輸出類型:Analog 數(shù)字輸出 - 位數(shù):11 bit 電源電壓-最大:5.25 V 電源電壓-最小:4.75 V 電源電流:4 mA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C |
| MMA3202DR2 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Surface Mount Micromachined Accelerometer |
| MMA3202EG | 功能描述:加速計(jì) - 板上安裝 SMT LN XY SOIC-20 RoHS:否 制造商:Murata 傳感軸:Double 加速:12 g 靈敏度: 封裝 / 箱體: 輸出類型:Analog 數(shù)字輸出 - 位數(shù):11 bit 電源電壓-最大:5.25 V 電源電壓-最小:4.75 V 電源電流:4 mA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C |
| MMA3202EG | 制造商:Freescale Semiconductor 功能描述:ACCELERATION SENSOR XY +/-100/50G |
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