KX022-1020 Datasheet, PDF (63/75 Pages) List of Unclassifed Manufacturers – Accelerometer Specifications

± 2g / 4g / 8g Tri-axis Digital
Accelerometer Specifications
PART NUMBER:
KX022-1020
Rev. 11.0
10-Sep-15
Single Tap Detection
The latency timer (TLT) sets the time period that a tap event will only be characterized as a single tap.
A second tap has to occur outside of the latency timer. If a second tap occurs inside the latency time, it
will be ignored as it occurred too quickly. The single tap will be reported at the end of the TWS. Figure
12 shows a single tap event meeting the PI, latency and window requirements.
Calculated Performance Index
160
PI
140
TWS
120
100
TLT
80
60
40
TTL
20
0
2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 3 3.1
time(sec)
Figure 12: Single Directional TapTM Timing
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