Analog Devices ADXL180 iMEMS, Руководство пользователя

Страница: 4 / 56

ADXL180
Rev. 0 | Page 4 of 56
SPECIFICATIONS
T
A
= −40°C to +125°C, V
BP
− V
BN
= 5.0 V to 14.5 V, f
LP
= 400 Hz, acceleration = 0 g , unless otherwise noted.
Table 1.
Parameter
1
Symbol Min Typ Max Unit Test Conditions/Comments
SENSOR
Scale Factor Measurement frequency: 100 Hz
50 g Range See Table 37
8-Bit Data 0.465 0.50 0.535 g /LSB
10-Bit Data 0.116 0.1250 0.134 g /LSB
100 g Range
8-Bit Data 0.930 1.00 1.070 g /LSB
10-Bit Data 0.233 0.2500 0.268 g /LSB
150 g Range
8-Bit Data 1.395 1.50 1.605 g /LSB
10-Bit Data 0.349 0.3750 0.401 g /LSB
200 g Range
8-Bit Data 1.860 2.00 2.140 g /LSB
10-Bit Data 0.465 0.5000 0.535 g /LSB
250 g Range
8-Bit Data 2.325 2.50 2.675 g /LSB
10-Bit Data 0.581 0.625 0.669 g /LSB
350 g Range
8-bit Data 3.255 3.50 3.745 g /LSB
10-bit Data 0.830 0.8925 0.955 g /LSB
500 g Range
8-Bit Data 4.650 5.00 5.350 g /LSB
10-Bit Data 1.163 1.2500 1.338 g /LSB
Offset All ranges, auto-zero disabled
8-Bit Data −12 +11 LSB
10-Bit Data −48 +47 LSB
Noise (Peak-to-Peak) 50 g range
8-Bit Data 2 LSB 10 Hz to 400 Hz
10-Bit Data 2 3 LSB 10 Hz to 400 Hz
Self Test
Amplitude 20 25 30 g
Internal Self-Test Limit 20 30 g STI enabled, see Table 35
Nonlinearity 0.2 2 % Of full-scale range
Cross-Axis Sensitivity −5 +5 %
Resonant Frequency 12.8 kHz
Q 1.5
LOW-PASS FILTER
Frequency Response Third-order
Bessel
Pass Band f
LP
Programmable, see Table 38
−3 dB Frequency 670 800 880 Hz
−3 dB Frequency 335 400 440 Hz
−3 dB Frequency 167.5 200 220 Hz
−3 dB Frequency 83.75 100 110 Hz
AUTO-ZERO
Update Rate
Slow Mode 5.0 sec/LSB 10-bit LSB
Fast Mode 0.5 sec/LSB 10-bit LSB