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MMA5206WR2 数据表(PDF) 9 Page - Freescale Semiconductor, Inc |
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MMA5206WR2 数据表(HTML) 9 Page - Freescale Semiconductor, Inc |
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9 / 61 page  Sensors Freescale Semiconductor 9 MMA52xxWR Preliminary 2.7 Dynamic Electrical Characteristics - Signal Chain VL ≤ (VCC - VSS) ≤ VH, TL ≤ TA ≤ TH, ΔT ≤ 25 K/min, unless otherwise specified # Characteristic Symbol Min Typ Max Units 137 Internal Oscillator Frequency * fOSC 3.80 4 4.20 MHz (1) 138 139 140 141 DSP Low-Pass Filter (Note15) Cutoff frequency LPF0 (referenced to 0 Hz) Filter Order LPF0 Cutoff frequency LPF1 (referenced to 0 Hz) Filter Order LPF1 * * * * fC_LPF0 OLPF0 fC_LPF1 OLPF1 ⎯ ⎯ ⎯ ⎯ 400 3 400 4 ⎯ ⎯ ⎯ ⎯ Hz 1 Hz 1 (7) (7) (7) (7) 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 DSP Offset Cancellation Low Pass Filter (Note 15) Offset Cancellation Low Pass Filter Input Sample Rate Stage 1 Cutoff frequency, Start-up Phase 1 Stage 1 Filter Order, Start-up Phase 1 Stage 2 Cutoff frequency, Start-up Phase 1 Stage 2 Filter Order, Start-up Phase 1 Cutoff frequency, Option 0 Filter Order, Option 0 Cutoff frequency, Option 1 Filter Order, Option 1 Cutoff frequency, Option 2 Filter Order, Option 2 Offset Cancellation Output Update Rate (8-Bit Mode) Offset Cancellation Output Step Size (8-Bit Mode) Offset Cancellation Output Update Rate (10-Bit Mode) Offset Cancellation Output Step Size (10-Bit Mode) Offset Monitor Update Frequency Offset Monitor Count Limit Offset Monitor Counter Size tOC_SampleRate fC_OC10 OOC10 fC_OC03 OOC03 fC_OC0 OOC0 fC_OC1 OOC1 fC_OC2 OOC2 tOffRate_8 OFFStep_8 tOffRate_10 OFFStep_10 OFFMONOSC OFFMONCNTLIMIT OFFMONCNTSIZE ⎯ ⎯ ⎯ ⎯ ⎯ ⎯ ⎯ ⎯ ⎯ ⎯ ⎯ ⎯ ⎯ ⎯ ⎯ ⎯ 256 10.0 1 0.300 1 0.100 1 0.040 1 fOSC / 2e6 0.125 fOSC / 2e6 0.5 fOSC/2000 4096 8192 ⎯ ⎯ ⎯ ⎯ ⎯ ⎯ ⎯ ⎯ ⎯ ⎯ ⎯ ⎯ ⎯ ⎯ ⎯ ⎯ μs Hz 1 Hz 1 Hz 1 Hz 1 s LSB s LSB Hz 1 1 (7) (7) (7) (7) (7) (7) (7) (7) (7) (7) (7) (7) (7) (7) (7) (7) 158 159 160 161 Sensing Element Natural Frequency ±60g ±120g ±240g ±480g fgcell_X60 fgcell_X120 fgcell_X240 fgcell_X480 12651 12651 26000 26000 13274 13274 27413 27413 13871 13871 28700 28700 Hz Hz Hz Hz (9) (9) (9) (9) 162 163 164 165 Sensing Element Rolloff Frequency (-3db) ±60g ±120g ±240g ±480g fgcell_X60 fgcell_X120 fgcell_X240 fgcell_X480 938 938 3952 3952 1591 1591 6770 6770 2592 2592 14370 14370 Hz Hz Hz Hz (9) (9) (9) (9) 166 167 168 169 Sensing Element Damping Ratio ±60g ±120g ±240g ±480g ζgcell_X60 ζgcell_X120 ζgcell_X240 ζgcell_X480 2.760 2.760 1.260 1.260 4.220 4.220 2.280 2.280 6.770 6.770 3.602 3.602 ⎯ ⎯ ⎯ ⎯ (9) (9) (9) (9) 170 171 172 173 Sensing Element Delay (@100Hz) ±60g ±120g ±240g ±480g fgcell_delay_X60 fgcell_delay_X120 fgcell_delay_X240 fgcell_delay_X480 63 63 13 13 101 101 25 25 170 170 40 40 μs μs μs μs (9) (9) (9) (9) 174 Package Resonance Frequency fPackage 100 ⎯⎯ kHz (9) |
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