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參數(shù)資料
| 型號： | MMA7450LR2 |
| 廠商： | 飛思卡爾半導體(中國)有限公司 |
| 英文描述： | 【2g/【4g/【8g Three Axis Low-g Digital Output Accelerometer |
| 中文描述： | 【2克/【4克/【八克三三軸低g加速度計的數(shù)字輸出 |
| 文件頁數(shù)： | 3/22頁 |
| 文件大小： | 389K |
| 代理商： | MMA7450LR2 |
Sensors
Freescale Semiconductor
3
MMA7450L
Table 2. Operating Characteristics
Unless otherwise noted: –20°C < T
A
< 65°C, 2.4 V < AV
DD
< 3.6 V, Acceleration = 0g, Loaded output
Characteristic
Symbol
Min
Typ
Max
Unit
Analog Supply Voltage
Standby Operation Mode
Enable Bus Mode
Digital I/O Pins Supply Voltage
Standby Operation Mode
Enable Bus Mode
AV
DD
AV
DD
DV
DD_IO
DV
DD_IO
2.4
1.71
1.71
2.8
0
1.8
1.8
3.6
AV
DD
3.6
V
V
V
V
Supply Current Drain (AV
DD
/GND)
Operation Mode
Pulse Detect Function Mode
Standby Mode (except data loading and I
2
C/SPI communication
period)
I
DD
I
DD
I
DD
—
—
—
400
550
5
TBD
TBD
TBD
μ
A
μ
A
μ
A
Operating Temperature Range
T
A
-20
25
+85
°C
Acceleration Range
X-Axis, Y-Axis, Z-Axis
gFS
gFS
gFS
±2
±4
±8
—
—
—
—
—
—
g
g
g
Output Signal (T
A
=25°C, AV
DD
=2.8 V)
Zero g
±2g range (25°C) 8bit
±4g range (25°C) 8bit
±8g range (25°C) 8bit
±8g range (25°C) 10bit
V
OFF
V
OFF
V
OFF
V
OFF
-16
-8
-4
-16
—
—
—
—
+16
+8
+4
+16
LSB
LSB
LSB
LSB
Resolution (T
A
=25°C, AV
DD
=2.8 V)
±2g range (25°C) 8bit
±4g range (25°C) 8bit
±8g range (25°C) 8bit
±8g range (25°C) 10bit
—
—
—
—
15.6
31.2
62.4
15.6
—
—
—
—
mg
mg
mg
mg
Sensitivity (T
A
=25°C, AV
DD
=2.8 V)
±2g range (25°C) 8bit
±4g range (25°C) 8bit
±8g range (25°C) 8bit
±8g range (25°C) 10bit
Δ
V
OUT
Δ
V
OUT
Δ
V
OUT
Δ
V
OUT
—
—
—
—
64
32
16
64
—
—
—
—
LSB/g
LSB/g
LSB/g
LSB/g
Self Test Output Response
Zout
Δ
ST
Z
—
+64
—
LSB
Input High Voltage
Input Low Voltage
V
IH
V
IL
0.85DV
DD
_io
-0.3V
—
—
DV
DD
_io + 0.3
0.3DV
DD
_io
PSRR (AV
DD
)
0 to 20 kHz
0 to 50 kHz
—
—
TBD
TBD
—
—
dB
dB
Internal Clock Frequency
t
CLK
TBD
150
TBD
kHz
SPI Frequency
DV
DD_IO
< 2.4 V
DV
DD_IO
> 2.4 V
—
—
4
8
—
—
MHz
MHz
Output Data Rate (X, Y, Z set)
—
125 or 250
—
Hz
Bandwidth for Data Measurement (User Selectable)
—
—
62.5
125
—
—
Hz
Hz
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相關代理商/技術參數(shù) |
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| MMA7455L | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:±2g/±4g/±8g Three Axis Low-g Digital Output Accelerometer |
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| MMA7455L_09 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:±2g/±4g/±8g Three Axis Low-g Digital Output Accelerometer |
| MMA7455LR1 | 功能描述:加速計 - 板上安裝 3-AXIS DIGITAL 2 4 8G 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 |
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