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PDF ADXL350 Data sheet ( Hoja de datos )
| Número de pieza | ADXL350 | |
| Descripción | Digital Accelerometer | |
| Fabricantes | Analog Devices | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de ADXL350 (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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Data Sheet
3-Axis, ±1g/±2g/±4g/±8g
Digital Accelerometer
ADXL350
FEATURES
Excellent zero-g bias accuracy and stability with
minimum/maximum specifications
Ultralow power: as low as 45 μA in measurement mode and
0.1 μA in standby mode at VS = 2.5 V (typical)
Power consumption scales automatically with bandwidth
User-selectable resolution
Fixed 10-bit resolution
Full resolution, where resolution increases with g range,
up to 13-bit resolution at ±8 g (maintains 2 mg/LSB scale
factor in all g ranges)
Embedded, 32-level FIFO buffer minimizes host processor
load
Tap/double tap detection and free-fall detection
Activity/inactivity monitoring
Supply voltage range: 2.0 V to 3.6 V
I/O voltage range: 1.7 V to VS
SPI (3- and 4-wire) and I2C digital interfaces
Flexible interrupt modes mappable to either interrupt pin
Measurement ranges selectable via serial command
Bandwidth selectable via serial command
Wide temperature range (−40°C to +85°C)
10,000 g shock survival
Pb-free/RoHS compliant
Small and thin: 4 mm × 3 mm × 1.2 mm cavity LGA package
APPLICATIONS
Portable consumer devices
High performance medical and industrial applications
GENERAL DESCRIPTION
The high performance ADXL350 is a small, thin, low power,
3-axis accelerometer with high resolution (13-bit) and selectable
measurement ranges up to ±8 g. The ADXL350 offers industry-
leading noise and temperature performance for application
robustness with minimal calibration. Digital output data is
formatted as 16-bit twos complement and is accessible through
either a SPI (3- or 4-wire) or I2C digital interface.
The ADXL350 is well suited for high performance portable
applications. It measures the static acceleration of gravity in tilt-
sensing applications, as well as dynamic acceleration resulting
from motion or shock. Its high resolution (2 mg/LSB) enables
measurement of inclination changes of less than 1.0°.
Several special sensing functions are provided. Activity and
inactivity sensing detect the presence or lack of motion and if
the acceleration on any axis exceeds a user-set level. Tap sensing
detects single and double taps. Free-fall sensing detects if the
device is falling. These functions can be mapped to one of two
interrupt output pins.
Low power modes enable intelligent motion-based power
management with threshold sensing and active acceleration
www.DataSheet.net/
measurement at extremely low power dissipation.
The ADXL350 is supplied in a small, thin, 3 mm × 4 mm ×
1.2 mm, 16-lead cavity laminate package.
FUNCTIONAL BLOCK DIAGRAM
VS VDD I/O
ADXL350
POWER
MANAGEMENT
3-AXIS
SENSOR
SENSE
ELECTRONICS
ADC
DIGITAL
FILTER
CONTROL
AND
INTERRUPT
LOGIC
INT1
INT2
GND
32 LEVEL
FIFO
Figure 1.
SERIAL I/O
CS
SDA/SDI/SDIO
SDO/ALT
ADDRESS
SCL/SCLK
Rev. 0
Document Feedback
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
©2012 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com
Datasheet pdf - http://www.DataSheet4U.co.kr/
1 page  
Data Sheet
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
ADXL350
VDD I/O
NC
NC
SCL/SCLK
NC
1
2
3
4
5
NC = NO INTERNAL
CONNECTION
16 15 14
ADXL350
+X
+Y
+Z
6 78
13
12
11
10
9
GND
RESERVED
INT1
RESERVED
INT2
TOP VIEW
(Not to Scale)
Figure 3. Pin Configuration
Table 5. Pin Function Descriptions
Pin No.
Mnemonic
1 VDD I/O
2 NC
3 NC
4 SCL/SCLK
5 NC
6 SDA/SDI/SDIO
7 SDO/ALT ADDRESS
8 CS
9 INT2
10 RESERVED
11 INT1
12 RESERVED
13 GND
14 VS
15 RESERVED
16 GND
Description
Digital Interface Supply Voltage.
Not Internally Connected.
Not Internally Connected.
Serial Communications Clock.
www.DataSheet.net/
Not Internally Connected.
Serial Data (I2C)/Serial Data Input (SPI 4-Wire)/Serial Data Input and Output (SPI 3-Wire).
Serial Data Output/Alternate I2C Address Select.
Chip Select.
Interrupt 2 Output.
Reserved. This pin must be connected to ground or left open.
Interrupt 1 Output.
Reserved. This pin must be connected to ground.
This pin must be connected to ground.
Supply Voltage.
Reserved. This pin must be connected to VS or left open.
This pin must be connected to ground.
Rev. 0 | Page 5 of 36
Datasheet pdf - http://www.DataSheet4U.co.kr/
5 Page 
Data Sheet
540
N = 16
535 VS = VDD I/O = 2.5V
530
525
520
515
510
505
500
495
490
–60 –40 –20 0 20 40 60 80
TEMPERATURE (°C)
Figure 34. X-Axis Sensitivity vs. Temperature—
16 Parts Soldered to PCB, VS = 2.5 V, Full Resolution
100
540
N = 16
535 VS = VDD I/O = 2.5V
530
525
520
515
510
505
500
495
490
–60 –40 –20 0 20 40 60 80
TEMPERATURE (°C)
Figure 35. Y-Axis Sensitivity vs. Temperature—
16 Parts Soldered to PCB, VS = 2.5 V, Full Resolution
100
540
N = 16
535 VS = VDD I/O = 2.5V
530
525
520
515
510
505
500
495
490
–60 –40 –20 0 20 40 60 80
TEMPERATURE (°C)
Figure 36. Z-Axis Sensitivity vs. Temperature—
16 Parts Soldered to PCB, VS = 2.5 V, Full Resolution
100
ADXL350
550
545
540
535
530
525
520
515
510
N = 16
VS = VDD I/O = 3.0V
505
500
–60 –40 –20 0 20 40 60 80
TEMPERATURE (°C)
Figure 37. X-Axis Sensitivity vs. Temperature—
16 Parts Soldered to PCB, VS = 3.0 V, Full Resolution
100
550
545
540
535
530
525
520
www.DataSheet.net/
515
510
N = 16
VS = VDD I/O = 3.0V
505
500
–60 –40 –20 0 20 40 60 80
TEMPERATURE (°C)
Figure 38. Y-Axis Sensitivity vs. Temperature—
16 Parts Soldered to PCB, VS = 3.0 V, Full Resolution
100
550
545
540
535
530
525
520
515
510
505
500
495
490
–60
N = 16
VS = VDD I/O = 3.0V
–40 –20
0
20 40 60 80
TEMPERATURE (°C)
Figure 39. Z-Axis Sensitivity vs. Temperature—
16 Parts Soldered to PCB, VS = 3.0 V, Full Resolution
100
Rev. 0 | Page 11 of 36
Datasheet pdf - http://www.DataSheet4U.co.kr/
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet ADXL350.PDF ] | |
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