Datasheet ADXL345 (Analog Devices) - 5
| 制造商 | Analog Devices |
| 描述 | 3-Axis, ±2 g/±4 g/±8 g/±16 g Digital Accelerometer |
| 页数 / 页 | 10 / 5 — Sensor input. Output resolution. Sensitivity. 0 g. Offset. Noise. Output … |
| 文件格式/大小 | PDF / 249 Kb |
| 文件语言 | 英语 |
Sensor input. Output resolution. Sensitivity. 0 g. Offset. Noise. Output data rate bandwidth. DLA LAND AND MARITIME. COLUMBUS, OHIO
该数据表的模型线
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TABLE I. Electrical performance characteristics. 1/ Test Symbol Test conditions Limits Unit 2/ Min Typ 3/ Max
Sensor input
(Each axis) Measurement range User selectable ±2, ±4, ±8, g ±16 Nonlinearity Percentage of full scale ±0.5 % Inter axis alignment error ±0.1 Degrees Cross axis sensitivity 4/ ±1 %
Output resolution
(Each axis) All g range 10 bit resolution 10 Bits ±2 g range Full resolution 10 ±4 g range Full resolution 11 ±8 g range Full resolution 12 ±16 g range Full resolution 13
Sensitivity
(Each axis) All g ranges, full resolution 230 256 282 LSB/g ±2 g, 10 bit resolution 230 256 282 Sensitivity at XOUT, YOUT, ZOUT ±4 g, 10 bit resolution 115 128 141 ±8 g, 10 bit resolution 57 64 71 ±16 g, 10 bit resolution 29 32 35 Sensitivity deviation from ideal All g ranges ±1.0 % All g ranges, full resolution 3.5 3.9 4.3 mg/LSB ±2 g, 10 bit resolution 3.5 3.9 4.3 Scale factor at XOUT, YOUT, ZOUT ±4 g, 10 bit resolution 7.1 7.8 8.7 ±8 g, 10 bit resolution 14.1 15.6 17.5 ±16 g, 10 bit resolution 28.6 31.2 34.5 Sensitivity change due to temperature ±0.01 %/°C
0 g Offset
(Each axis) 0 g Output for XOUT, YOUT -150 0 +150 mg 0 g Output for ZOUT -250 0 +250 0 g Output deviation from Ideal, XOUT, YOUT ±35 0 g Output deviation from Ideal, ZOUT ±40 0 g Offset vs. temperature for X-, Y- Axes ±0.4 mg/°C 0 g Offset vs. temperature for Z- Axis ±1.2
Noise
X-, Y-Axes ODR = 100 Hz for ±2 g, 10 bit 0.75 LSB rms resolution or all g ranges, full Z-Axis 1.1 resolution
Output data rate bandwidth
(User selectable) Output Data Rate (ODR) 5/ 6/ 7/ 0.1 3200 Hz See footnote at end of table.
DLA LAND AND MARITIME
SIZE CODE IDENT NO. DWG NO.
COLUMBUS, OHIO A 16236 V62/12657
REV PAGE 5 Document Outline DESCRIPTION REV REV PMIC N/A TITLE SIZE A V62/12657 REV
Sensor input
(Each axis) Measurement range User selectable ±2, ±4, ±8, g ±16 Nonlinearity Percentage of full scale ±0.5 % Inter axis alignment error ±0.1 Degrees Cross axis sensitivity 4/ ±1 %
Output resolution
(Each axis) All g range 10 bit resolution 10 Bits ±2 g range Full resolution 10 ±4 g range Full resolution 11 ±8 g range Full resolution 12 ±16 g range Full resolution 13
Sensitivity
(Each axis) All g ranges, full resolution 230 256 282 LSB/g ±2 g, 10 bit resolution 230 256 282 Sensitivity at XOUT, YOUT, ZOUT ±4 g, 10 bit resolution 115 128 141 ±8 g, 10 bit resolution 57 64 71 ±16 g, 10 bit resolution 29 32 35 Sensitivity deviation from ideal All g ranges ±1.0 % All g ranges, full resolution 3.5 3.9 4.3 mg/LSB ±2 g, 10 bit resolution 3.5 3.9 4.3 Scale factor at XOUT, YOUT, ZOUT ±4 g, 10 bit resolution 7.1 7.8 8.7 ±8 g, 10 bit resolution 14.1 15.6 17.5 ±16 g, 10 bit resolution 28.6 31.2 34.5 Sensitivity change due to temperature ±0.01 %/°C
0 g Offset
(Each axis) 0 g Output for XOUT, YOUT -150 0 +150 mg 0 g Output for ZOUT -250 0 +250 0 g Output deviation from Ideal, XOUT, YOUT ±35 0 g Output deviation from Ideal, ZOUT ±40 0 g Offset vs. temperature for X-, Y- Axes ±0.4 mg/°C 0 g Offset vs. temperature for Z- Axis ±1.2
Noise
X-, Y-Axes ODR = 100 Hz for ±2 g, 10 bit 0.75 LSB rms resolution or all g ranges, full Z-Axis 1.1 resolution
Output data rate bandwidth
(User selectable) Output Data Rate (ODR) 5/ 6/ 7/ 0.1 3200 Hz See footnote at end of table.
DLA LAND AND MARITIME
SIZE CODE IDENT NO. DWG NO.
COLUMBUS, OHIO A 16236 V62/12657
REV PAGE 5 Document Outline DESCRIPTION REV REV PMIC N/A TITLE SIZE A V62/12657 REV