Small, Low Power, 3-Axis
200 g Accelerometer
Data Sheet
ADXL377
FEATURES
GENERAL DESCRIPTION
3-axis sensing
Small, low profile package
3 mm × 3 mm × 1.45 mm LFCSP
Low power: 300 µA (typical)
The ADXL377 is a small, thin, low power, complete 3-axis
accelerometer with signal conditioned voltage outputs. The
ADXL377 measures acceleration resulting from motion, shock,
or vibration with a typical full-scale range of 200 g.
Single-supply operation: 1.8 V to 3.6 V
10,000 g shock survival
Excellent temperature stability
Bandwidth adjustment with a single capacitor per axis
RoHS/WEEE and lead-free compliant
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 1300 Hz for the x-axis and y-axis and a range of
0.5 Hz to 1000 Hz for the z-axis.
APPLICATIONS
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).
Concussion and head trauma detection
High force event detection
FUNCTIONAL BLOCK DIAGRAM
+3V
V
S
ADXL377
X
Y
Z
32kΩ
32kΩ
32kΩ
OUT
OUTPUT
AMPLIFIERS
AC
AMPLIFIER
C
C
C
X
Y
Z
C
OUT
DC
DEMODULATOR
3-AXIS
SENSOR
OUT
GND
ST
Figure 1.
Rev. 0
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