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參數(shù)資料
| 型號： | ADXL330 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Small, Low Power, 3-Axis 【3 g i MEMS Accelerometer |
| 中文描述： | 小型，低功耗，3軸【3基MEMS加速度 |
| 文件頁數(shù)： | 13/16頁 |
| 文件大?。?/td> | 246K |
| 代理商： | ADXL330 |
ADXL330
The ADXL330 output is ratiometric, therefore, the output
sensitivity (or scale factor) varies proportionally to the
supply voltage. At V
S
= 3.6 V, the output sensitivity is
typically 360 mV/
g
. At V
S
= 2 V, the output sensitivity is
typically 195 mV/
g
.
Rev. 0 | Page 13 of 16
The zero
g
bias output is also ratiometric, so the zero
g
output is
nominally equal to V
S
/2 at all supply voltages.
The output noise is not ratiometric but is absolute in volts;
therefore, the noise density decreases as the supply voltage
increases. This is because the scale factor (mV/
g
) increases
while the noise voltage remains constant. At V
S
= 3.6 V, the
X- and Y-axis noise density is typically 230 μ
g
/√Hz, while at
V
S
= 2 V, the X- and Y-axis noise density is typically 350 μ
g
/√Hz.
Self-test response in
g
is roughly proportional to the square of
the supply voltage. However, when ratiometricity of sensitivity
is factored in with supply voltage, the self-test response in volts
is roughly proportional to the cube of the supply voltage. For
example, at V
S
= 3.6 V, the self-test response for the ADXL330 is
approximately 275 mV for the X-axis, +275 mV for the Y-axis,
and 100 mV for the Z-axis.
At V
S
= 2 V, the self-test response is approximately 60 mV for
the X-axis, +60 mV for the Y-axis, and 25 mV for the Z-axis.
The supply current decreases as the supply voltage decreases.
Typical current consumption at V
S
= 3.6 V is 375 μA, and
typical current consumption at V
S
= 2 V is 200 μA.
AXES OF ACCELERATION SENSITIVITY
A
Z
0
A
Y
A
X
TOP
Figure 31. Axes of Acceleration Sensitivity, Corresponding Output Voltage
Increases When Accelerated Along the Sensitive Axis
0
X
OUT
= –1
g
Y
OUT
= 0
g
Z
OUT
= 0
g
GRAVITY
X
OUT
= 0
g
Y
OUT
= 1
g
Z
OUT
= 0
g
X
OUT
= 0
g
Y
OUT
= –1
g
Z
OUT
= 0
g
X
OUT
= 1
g
Y
OUT
= 0
g
Z
OUT
= 0
g
X
OUT
= 0
g
Y
OUT
= 0
g
Z
OUT
= 1
g
X
OUT
= 0
g
Y
OUT
= 0
g
Z
OUT
= –1
g
TOP
TOP
TOP
TOP
TOP
Figure 32. Output Response vs. Orientation to Gravity
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| ADXL330KCPZ | Small, Low Power, 3-Axis 【3 g i MEMS Accelerometer |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADXL330_07 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Small, Low Power, 3-Axis 【3 g i MEMS㈢ Accelerometer |
| ADXL330KCPZ | 功能描述:IC ACCELEROMETER 3-AXIS 16LFCSP RoHS:是 類別:傳感器，轉(zhuǎn)換器 >> 加速計(jì) 系列:iMEMS® 標(biāo)準(zhǔn)包裝:1 系列:SCA1000 軸:X，Y 加速范圍:±1.7g 靈敏度:1.2V/g 電源電壓:4.75 V ~ 5.25 V 輸出類型:數(shù)字 帶寬:50±30Hz 接口:SPI 安裝類型:表面貼裝 封裝/外殼:12-SMD 供應(yīng)商設(shè)備封裝:12-SMD 其它名稱:551-1007-1 |
| ADXL330KCPZ1 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Small, Low Power, 3-Axis 【3 g i MEMS㈢ Accelerometer |
| ADXL330KCPZ-RL | 功能描述:IC ACCELEROMETER 3-AXIS 16LFCSP RoHS:是 類別:傳感器，轉(zhuǎn)換器 >> 加速計(jì) 系列:iMEMS® 標(biāo)準(zhǔn)包裝:1 系列:SCA1000 軸:X，Y 加速范圍:±1.7g 靈敏度:1.2V/g 電源電壓:4.75 V ~ 5.25 V 輸出類型:數(shù)字 帶寬:50±30Hz 接口:SPI 安裝類型:表面貼裝 封裝/外殼:12-SMD 供應(yīng)商設(shè)備封裝:12-SMD 其它名稱:551-1007-1 |
| ADXL330KCPZ-RL1 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Small, Low Power, 3-Axis 【3 g i MEMS㈢ Accelerometer |
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