Datasheet

Version: A00 Document No.: SJ-GU-TFmini-01 Page 5 of 10
converted with the sensor by calculating the time difference or phase difference between the light sending and
the light reflection, so as to produce the depth information.
Fig. 1 TF_mini optical simulation of the optical path
3. Electrical Characteristics
Item Symbol Typical value Unit
Input voltage DC 5 V
Average power P ≤120 mW
LED peak current I
max
800 mA
Serial port TTL
voltage level
V
TTL
3.3 V
Table 2 TF_mini electrical characteristics
4. Optical Characteristics
Parameter Symbol Condition or description Typical value Unit
Signal
acceptance
angle
β 2.3 Degree
Resolving power De
Minimum object size that can be
detected at the distance of 2m
20 mm
Resolution ratio Re Sensitivity to distance change 5 mm
Operating center
wavelength
λ 850 nm
Table 3 Optical characteristics
5. Measurement Range and Acceptance Angle
TF_mini measurement range
Indoor conditions:
The object to be detected has 90% reflectivity and the effective detection distance is 12m;
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