Fermion TMF8801 ToF Distance Ranging Sensor (20-2500mm) - Datasheet

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TMF8801
Functional Description
Datasheet PUBLIC
DS000648 v8-00 • 2021-Jul-08
69 18
Figure 18:
Algorithm Timings
Parameter
Condition
Min
Nom
Max
Units
Default mode
command=0x02 or 0x03
cmd_data6=0xA3,
cmd_data3=0x00,
cmd_data1=0x03,
cmd_data0=0x84 (900 k iterations)
33
ms
7.6.3 Algorithm Performance Parameters
The algorithm reports distance information of the closest object in 1 mm steps.
Using the timings described in 7.6.2 following performance is achieved:
Figure 19:
Object Detection Algorithm Parameters
Parameter
Condition
Min
Nom
Max
Units
Reflectivity of object
at 940 nm
Perpendicular to TMF8801
18
90
%
Maximum distance
detection,
1.5 m x 1.5 m object
350 lux fluorescent on object, 18%
grey card
2500
(1)
mm
360 lux halogen light on object
(2)
,
88% white card
2500
(1)
mm
360 lux halogen light on object
(2)
,
18% grey card
1700
mm
1400 lux halogen light on object
(3)
,
88% white card
1500
mm
1400 lux halogen light on object
(4)
,
18% grey card
1250
mm
14000 lux halogen light on object
(4)
,
18% grey card
550
mm
Minimum distance
detection, 18 % grey
card, 20 cm x 26 cm
20
mm
Accuracy
Object distance 200 mm
±5
%
100 mm object distance < 200 mm
±10
mm
20 mm object distance < 100 mm
±15
mm
Transition short to
long distance mode
200
mm