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参数资料
| 型号： | RD1986MMA2260D |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 5/9页 |
| 文件大小： | 0K |
| 描述： | KIT SENSOR ACCEL MMA2260D TRIAX |
| 标准包装： | 1 |
| 系列： | 三轴 |
| 传感器类型： | 加速计，1 轴 |
| 传感范围： | ±1.5g |
| 接口： | SCI |
| 灵敏度： | 1200 mV/g |
| 电源电压： | 4.75 V ~ 5.25 V |
| 嵌入式： | 是，MCU，8 位 |
| 已供物品： | 板，缆线，CD |
| 已用 IC / 零件： | MMA1260，MMA2260，MC68HC908KX8 |
| 相关产品： | MMA1260EGR2CT-ND - SENSOR ACCEL Z-AXIS 1.5G 16-SOIC MMA1270EGR2DKR-ND - IC ACCELEROMETER Z AXIS 16-SOIC MMA1260DEGR2DKR-ND - IC ACCELEROMETER Z AXIS 16-SOIC MMA1270EGR2CT-ND - IC ACCELEROMETER Z AXIS 16-SOIC MMA1260DEGR2CT-ND - IC ACCELEROMETER Z AXIS 16-SOIC MMA1270EG-ND - IC ACCELEROMETER Z AXIS 16-SOIC MMA1260DEGR2TR-ND - IC ACCELEROMETER Z AXIS 16-SOIC MMA1270EGR2TR-ND - IC ACCELEROMETER Z AXIS 16-SOIC MMA1250EGR2DKR-ND - SENSOR ACCEL Z-AX +/-5G 16-SOIC MMA1250EGR2CT-ND - SENSOR ACCEL Z-AX +/-5G 16-SOIC 更多... |
BASIC CONNECTIONS
Pinout Description
PCB Layout
V SS
1
16
N/C
STATUS
P1
V SS
V SS
V OUT
STATUS
V DD
ST
2
3
4
5
6
7
8
15
14
13
12
11
10
9
N/C
N/C
N/C
N/C
N/C
N/C
N/C
ST
V OUT
V SS
V DD
R
1 k ?
C 0.1 μ F
C 0.01 μ F
P0
A/D In
V RH
V SS
V DD
C 0.1 μ F
.
Table 3. Pin Description
C
0.1 μ F
Pin No.
1 thru 3
4
5
6
7
8
9 thru 13
14 thru 16
Pin Name
V SS
V OUT
STATUS
V DD
V SS
ST
Trim pins
—
Description
Redundant connections to the
internal V SS and may be left
unconnected.
Output voltage of the
accelerometer.
Logic output pin to indicate fault.
The power supply ground.
The power supply input.
Logic input pin used to initiate
self-test.
Used for factory trim. Leave
unconnected.
No internal connection. Leave
unconnected.
Power Supply
Figure 6. Recommended PCB Layout for Interfacing
Accelerometer to Microcontroller
NOTES:
1. Use a 0.1 μ F capacitor on V DD to decouple the power
source.
2. Physical coupling distance of the accelerometer to the
microcontroller should be minimal.
3. Place a ground plane beneath the accelerometer to
reduce noise, the ground plane should be attached to
4. 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).
5. PCB layout of power and ground should not couple
power supply noise.
6. Accelerometer and microcontroller should not be a
high current path.
ST
V DD
Logic
Input
C1
0.1 μ F
MMA2260D
8
6 V DD V OUT
7 V SS
5
R1
1 k ?
4
C2
0.01 μ F
STATUS
Output
Signal
7. 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.
Figure 5. SOIC Accelerometer with Recommended
Connection Diagram
MMA2260D
Sensors
Freescale Semiconductor
5
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相关代理商/技术参数 |
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| RD1986MMA6260Q | 功能描述:加速传感器开发工具 TRIAX REF DSGN 3-AXIS FOR NMA6260Q RoHS:否 制造商:Murata 工具用于评估:SCA3100-D04 加速:2 g 传感轴:Triple Axis 接口类型:SPI 工作电压:3.3 V |
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