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VL53L1 датащи(PDF) 15 Page - STMicroelectronics |
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VL53L1 датащи(HTML) 15 Page - STMicroelectronics |
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15 / 35 page ![]() DocID031281 Rev 3 15/35 VL53L1X Ranging performances 35 3 Ranging performances 3.1 Test conditions In all measurement tables of this specification, it is considered that: 1. The full FoV (typically 27 °) is covered or a partial FoV is covered after a specific ROI is programmed by the user (array size from 4x4 SPADs to 16x16 SPADs). 2. Charts used as targets are: grey 17 % reflectance (N4.74 Munsell), grey 54 % reflectance (N8.25 Munsell), and white 88 % reflectance (N9.5 Munsell). 3. Nominal voltage (2.8 V) and temperature (23 °C). 4. Detection rate is considered as 100 %. 5. Unless mentioned, the device is setup and controlled through the driver using the following settings: a) Distance mode is long b) Timing budget is 100 ms c) No cover glass is present d) Target covers the full FoV 6. Ambient light is defined as follows: a) Dark = no IR light in the band 940 nm ±30 nm b) 50 kcps/SPAD = lighting on a sunny day from behind a window(a) c) 200 kcps/SPAD = lighting on a sunny day from behind a window, with direct illumination on the sensor d) For reference, usual office lighting is around 5 kcps/SPAD a. kcps is kilo counts per second. kcps/SPAD is the return ambient rate measured by the VL53L1X. |
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