Data Sheet

ADXL343

Rev. 0 | Page 3 of 36

SPECIFICATIONS

otherwise noted. All minimum and maximum specifications are guaranteed. Typical specifications are not guaranteed.

Table 1.

Parameter

Test Conditions/Comments

Min

Typ1

Max

Unit

SENSOR INPUT

Each axis

Measurement Range

User selectable

±2, ±4, ±8, ±16

g

Nonlinearity

Percentage of full scale

±0.5

%

Inter-Axis Alignment Error

±0.1

Degrees

Cross-Axis Sensitivity2

±1

%

OUTPUT RESOLUTION

Each axis

All g Ranges

10-bit resolution

10

Bits

±2 g Range

Full resolution

10

Bits

±4 g Range

Full resolution

11

Bits

±8 g Range

Full resolution

12

Bits

±16 g Range

Full resolution

13

Bits

SENSITIVITY

Each axis

All g ranges, full resolution

256

LSB/g

±2 g, 10-bit resolution

256

LSB/g

±4 g, 10-bit resolution

128

LSB/g

±8 g, 10-bit resolution

64

LSB/g

±16 g, 10-bit resolution

32

LSB/g

Sensitivity Deviation from Ideal

All g ranges

±1.0

%

All g ranges, full resolution

3.9

mg/LSB

±2 g, 10-bit resolution

3.9

mg/LSB

±4 g, 10-bit resolution

7.8

mg/LSB

±8 g, 10-bit resolution

15.6

mg/LSB

±16 g, 10-bit resolution

31.2

mg/LSB

Sensitivity Change Due to Temperature

±0.01

%/°C

0 g OFFSET

Each axis

0 g Output Deviation from Ideal, X-, Y-, Z-Axes

±35

mg

0 g Offset vs. Temperature for X-, Y-, Z-Axes

±0.8

mg/°C

NOISE

X-, Y-, Z-Axes

ODR = 100 Hz for ±2 g, 10-bit resolution

or all g-ranges, full resolution

1.1

LSB rms

OUTPUT DATA RATE AND BANDWIDTH

User selectable

Output Data Rate (ODR)3, 4, 5

0.1

3200

Hz

SELF-TEST6

Output Change in X-Axis

0.20

2.10

g

Output Change in Y-Axis

−2.10

−0.20

g

Output Change in Z-Axis

0.30

3.40

g

POWER SUPPLY

2.0

2.5

3.6

V

1.7

1.8

V

Supply Current

ODR ≥ 100 Hz

140

µA

ODR < 10 Hz

30

µA

Standby Mode Leakage Current

0.1

µA

Turn-On and Wake-Up Time7

ODR = 3200 Hz

1.4

ms