ADXL345 Data Sheet SPECIFICATIONS TA = 25°C, VS = 2.5 V, VDD I/O = 1.8 V, acceleration = 0 g, CS = 10 µF tantalum, CI/O = 0.1 µF, output data rate (ODR) = 800 Hz, unless otherwise noted. All minimum and maximum specifications are guaranteed. Typical specifications are not guaranteed. Table 1. ParameterTest ConditionsMinTyp1MaxUnit 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 Sensitivity at XOUT, YOUT, ZOUT All g-ranges, full resolution 230 256 282 LSB/g ±2 g, 10-bit resolution 230 256 282 LSB/g ±4 g, 10-bit resolution 115 128 141 LSB/g ±8 g, 10-bit resolution 57 64 71 LSB/g ±16 g, 10-bit resolution 29 32 35 LSB/g Sensitivity Deviation from Ideal All g-ranges ±1.0 % Scale Factor at XOUT, YOUT, ZOUT All g-ranges, full resolution 3.5 3.9 4.3 mg/LSB ±2 g, 10-bit resolution 3.5 3.9 4.3 mg/LSB ±4 g, 10-bit resolution 7.1 7.8 8.7 mg/LSB ±8 g, 10-bit resolution 14.1 15.6 17.5 mg/LSB ±16 g, 10-bit resolution 28.6 31.2 34.5 mg/LSB Sensitivity Change Due to Temperature ±0.01 %/°C 0 g OFFSET Each axis 0 g Output for XOUT, YOUT −150 0 +150 mg 0 g Output for ZOUT −250 0 +250 mg 0 g Output Deviation from Ideal, XOUT, YOUT ±35 mg 0 g Output Deviation from Ideal, ZOUT ±40 mg 0 g Offset vs. Temperature for X-, Y-Axes ±0.4 mg/°C 0 g Offset vs. Temperature for Z-Axis ±1.2 mg/°C NOISE X-, Y-Axes ODR = 100 Hz for ±2 g, 10-bit resolution or 0.75 LSB rms all g-ranges, full resolution Z-Axis ODR = 100 Hz for ±2 g, 10-bit resolution or 1.1 LSB rms all g-ranges, full resolution 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 Operating Voltage Range (VS) 2.0 2.5 3.6 V Interface Voltage Range (VDD I/O) 1.7 1.8 VS 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 Rev. E | Page 4 of 40