DocID026571 Rev 1 13/27
AN4545 Typical ranging output
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Figure 6. Graph of return signal rate vs. target distance. The test was performed in the
dark and with no cover glass.
4.3 Convergence time
Figure 7 shows the typical convergence time output from VL6180X for different targets at
different distances. The convergence time can provide useful information on how to
optimise VL6180X settings to perform more efficiently and reliably.
Note: Cover glass can alter the return convergence time characteristics. We therefore recommend
the convergence time be re-re-characterized once the VL6180X has been integrated into
the final system before attempting to perform any system optimisation.
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