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TMF8805 Fiches technique(PDF) 20 Page - OSRAM GmbH

No de pièce TMF8805
Description  Time-of-flight sensor
PDF  74 Pages
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Fabricant  OSRAM [OSRAM GmbH]
Site Internet  http://www.osram.com
Logo OSRAM - OSRAM GmbH

TMF8805 Fiches technique(HTML) 20 Page - OSRAM GmbH

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TMF8805
Functional description
Datasheet
• PUBLIC • Document Feedback
DS000692
• v7-00 • 2023-Dec-01
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5.7
VCSEL
Internal protection ensures no single point of failure will cause the VCSEL to violate the Class
1 Laser Safety.
•
Laser Safety
Class 1
•
VCSEL Pulse Rep Rate
26.6 ns (37.6 MHz)
If VCSEL_clk_div=1, the frequency is divided by two.
5.8
Typical optical characteristics
•
VCSEL Field of Illumination (FOI)
25º
Full width from 1% of maximum up to maximum
21º
Full width from 5% of maximum up to maximum
19º
1/e^2
•
TOF Sensor Field of View (FOV)
37º
FWHM
– for short distances
24º
FWHM
– for long distances
The SPAD FoV angular response uses the full TMF8805 SPADs for short distances. The
SPAD FoV is reduced when the TMF8805 operates in long distance since the SPAD array is
reduced. This helps to improve ambient light tolerance1.
Figure 10: FOI/FOV of TMF8805 (used 1/e^2 for FOI as example)
1 It depends on the size and reflectivity of the object if TMF8805 algorithm detects off-axis objects.



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