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VL6180X

Performance specification

4.1

Proximity ranging (0 to 100mm)

The following table specifies ranging performance up to 100mm. Ranging beyond 100mm is

possible with certain target reflectances and ambient conditions but not guaranteed. These

results are derived from characterization of both typical and corner samples (representative

of worst case process conditions).

Unless specified otherwise, all results were performed at room temperature (23°C), nominal

voltage (2.8V) and in the dark. Results are based on the average of 100 measurements for

a 17% reflective target @ 50mm.

4.1.1

Max range vs. ambient light level

The data shown in this section is worst case data for reference only.

Table 20 shows the worst case maximum range achievable under different ambient light

conditions

Table 19. Ranging specification

Parameter

Min.

Typ.

Max.

Unit

Noise(1)

Maximum standard deviation of 100 measurements

2.0

Range offset error(2)

Maximum offset drift after 3 reflow cycles. This error can be removed by re-calibration in the final system

Temperature dependent drift (3)

Tested over optimum operating temperature range (see Table 16.: Normal operating conditions)

-9

Voltage dependent drift (4)

Tested over optimum operating voltage range (see Table 16.: Normal operating conditions)

-3

Convergence time (5)

Based on a 3% reflective target @ 100 mm

Table 20. Worst case max range vs. ambient 0 to 100mm(1)(2)

Tested in an integrating sphere (repeatable lab test, not representative of real world ambient light) at 1

kLux and 5 kLux (halogen light source) using 80 x 80 mm targets. Due to high IR content, 5 kLux halogen

light approximates to 10 kLux to 15 kLux natural sunlight.

SNR limit of 0.1 applied. Note: maximum range could be increased by reducing the SNR limit to 0.06

Target

reflectance

In the dark(3)

Also applicable to lighting conditions with low IR content e.g typical office fluorescent lighting

Worst case indoor light

(1 kLux diffuse halogen)

High ambient light

(5 kLux diffuse halogen)

Unit

> 100

> 80

> 40

> 100

> 90

> 45

17%

> 100

> 60

88%

> 100

> 70

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