Data Sheet

ADXL356/ADXL357/ADXL357B

SPECIFICATIONS

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Rev. C | 4 of 52

ADXL356 (ANALOG OUTPUT)

TA = 25°C, VSUPPLY = 3.3 V, x-axis acceleration and y-axis acceleration = 0 g, z-axis acceleration = 1 g, and full-scale range = ±10 g, unless

otherwise noted.

Table 1.

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit

SENSOR INPUT

Each axis

Output Full-Scale Range (FSR)

ADXL356B supports two ranges

±10, ±20

g

ADXL356C supports two ranges

±10, ±40

g

Resonant Frequency1

X-axis and y-axis

5.5

kHz

Z-axis

5.1

kHz

Quality Factor

X-axis

17

Y-axis

14

Z-axis

4

Nonlinearity

±10 g

0.1

% FSR

±40 g

1.3

% FSR

Cross Axis Sensitivity

1

%

SENSITIVITY

Ratiometric to V1P8ANA

Sensitivity at XOUT, YOUT, ZOUT

±10 g

73.6

80

86.4

mV/g

±20 g

36.8

40

43.2

mV/g

±40 g

18.4

20

21.6

mV/g

Sensitivity Change Due to Temperature

TA = −40°C to +125°C

±0.01

%/°C

Repeatability2

X-axis and y-axis

0.1

%

Z-axis

0.2

%

0 g OFFSET

Each axis, ±10 g

0 g Output for XOUT, YOUT, ZOUT

Referred to V1P8ANA/2

−375

±125

+375

mg

0 g Offset vs. Temperature (X-Axis, Y-Axis, and

Z-Axis)3

TA = −40°C to +125°C

−0.75

±0.2

+0.75

mg/°C

Repeatability2

X-axis and y-axis

±4.25

mg

Z-axis

±5

mg

Vibration Rectification Error (VRE)4

Offset due to 7.5 g rms vibration, ±10 g range, in a 1

g orientation

<0.1

g

NOISE

Spectral Density5

X-Axis, Y-Axis, and Z-Axis

±10 g

75

µg/√Hz

±40 g

110

µg/√Hz

Velocity Random Walk

±10 g

X-Axis and Y-Axis

38.2

mm/sec/√hr

Z-Axis

26.5

mm/sec/√hr

BANDWIDTH

−3 dB, overall transfer function6

2.4

kHz

SELF TEST

Output Change

Z-Axis

±10 g range7

0.5

1.25

3.0

g

POWER SUPPLY

Voltage Range

VSUPPLY8

2.25

2.5

3.6

V

VDDIO

V1P8DIG

2.5

3.6

V

V1P8ANA, V1P8DIG

Internal low dropout (LDO) regulator bypassed,

VSUPPLY = 0 V

1.62

1.8

1.98

V