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PDF ADXL377 Data sheet ( Hoja de datos )
| Número de pieza | ADXL377 | |
| Descripción | Accelerometer | |
| Fabricantes | Analog Devices | |
| Logotipo |  |
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Preliminary Technical Data
FEATURES
3-axis sensing
±200 g measurement range
Analog output for full impact event visibility
Low power: 300 μA (typical)
Selectable bandwidth
Up to 1600Hz bandwidth (XY)
Up to 1200Hz bandwidth (Z)
Single-supply operation: 1.8 V to 3.6 V
10,000 g shock survival
Small, low profile package
3 mm × 3 mm × 1.45 mm LFCSP
APPLICATIONS
High Impact Detection for:
Concussive Forces
Possible Head Trauma
Industrial Machinery
Industrial Tools
Warranty Protection
Impact Black Boxes
3-Axis ±200 g Analog MEMS
Accelerometer
ADXL377
GENERAL DESCRIPTION
The ADXL377 is a small, thin, low power, complete 3-axis
accelerometer with signal conditioned voltage outputs. The
product measures acceleration with a minimum full-scale range
of ±200 g. The ADXL377 is designed to measure dynamic
acceleration resulting from high impact events without sensor
saturation. The analog output of the ADXL377 provides for full
visibility of an impact event so potentially critical data is not
lost.
The user selects the bandwidth of the accelerometer using the
CX, CY, and CZ capacitors at the XOUT, YOUT, and ZOUT pins.
Bandwidths can be selected to suit the application, with a range
of 0.5 Hz to 1600 Hz for X and Y axes and a range of 0.5 Hz to
1200 Hz for the Z axis. This wide bandwidth allows the
ADXL377 to detect shock and impact events on industrial
applications that have a higher frequency component.
The ADXL377 is available in a small, low profile, 3 mm × 3 mm
× 1.45 mm, 16-lead, lead frame chip scale package
(LFCSP_LQ).
FUNCTIONAL BLOCK DIAGRAM
+3V
VS
ADXL337
ADXL377
AC
AMPLIFIER
OUTPUT ~32kΩ
AMPLIFIERS
XOUT
CX
CDC
3-AXIS
SENSOR
GND
ST
DEMODULATOR
~32kΩ
YOUT
CY
~32kΩ
ZOUT
CZ
Figure 1.
Rev. PrB
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
www.analog.com
Fax: 781.461.3113
©2012 Analog Devices, Inc. All rights reserved.
Free Datasheet http://www.datasheet4u.com/
1 page  
Preliminary Technical Data
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
ADXL377
RES
ST
RES
YOUT
16 15 14 13
1 AADDXXLL337377 12
TOP VIEW
2 (Not to Scale) 11
+Y
3 +Z
10
4
5
+X
67
9
8
NC
NC
NC
NC
NOTES
1. NC = NO CONNECT.
2. EXPOSED PAD IS NOT INTERNALLY
CONNECTED BUT SHOULD BE SOLDERED
FOR MECHANICAL INTEGRITY.
Figure 2. Pin Configuration
Table 3. Pin Function Descriptions
Pin No. Mnemonic
Description
1, 3 RES
Reserved. This pin must be connected to GND or left open.
2 ST
Self Test.
4 YOUT
Y Channel Output.
5 XOUT
X Channel Output.
6, 7 GND
Must be connected to ground.
8 to 13
NC
Not internally connected.
14 VS
Supply Voltage (3.0 V typical).
15 VS
Supply Voltage (3.0 V typical).
16 ZOUT
Z Channel Output.
EPAD
Exposed Pad. Not internally connected but should be soldered for mechanical integrity.
Rev. PrB | Page 5 of 13
5 Page 
Preliminary Technical Data
OUTLINE DIMENSIONS
PIN 1
INDICATOR
1.50
1.45
1.40
SEATING
PLANE
3.10
3.00 SQ
2.90
TOP VIEW
0.50
BSC
0.30
0.25
0.18
13
12
16
1
EXPOSED
PAD
PIN 1
INDICATOR
1.70
1.60 SQ
1.50
94
0.45
8
5 0.20 MIN
0.40 BOTTOM VIEW
0.35
0.05 MAX
0.02 NOM
COPLANARITY
0.08
0.152 REF
FOR PROPER CONNECTION OF
THE EXPOSED PAD, REFER TO
THE PIN CONFIGURATION AND
FUNCTION DESCRIPTIONS
SECTION OF THIS DATA SHEET.
Figure 7. 16-Lead Lead Frame Chip Scale Package [LFCSP_LQ]
3 mm × 3 mm Body, Thick Quad
(CP-16-28)
Dimensions shown in millimeters
ADXL377
Rev. PrB | Page 11 of 13
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet ADXL377.PDF ] | |
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