VD6283TX datasheet(38/59 Pages) STMICROELECTRONICS

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Parameter

Conditions

Min.

Typ.

Max.

Unit

Minimum detectable light

level (2)

Green channel (3)

Lux

Maximum light level (2)

AGAIN = 0.7x, EXTIME = 1.6 ms

Clear channel (3)

6609

AGAIN = 0.7x, EXTIME = 1.6 ms,

Green channel (3)

30369

Dark count noise

Irradiance = 0 µW/m2 (i.e. total dark)

AGAIN = 66x, EXTIME = 100 ms

Tamb = 25 °C

1.484

Counts

1. Refer to Section 3.3.1 Raw and calibration data and Section 8.2 Channel sensitivity

2. Guaranteed by characterization (process and temperature variation included)

3. D65 s visible light source

Table 16. Flicker operating characteristics

Unless otherwise stated, the flicker characteristics below are valid under the following host conditions: Flicker channel = Clear,

FFT method, 300 ms data capture time.

Parameter

Conditions

Min.

Typ.

Max.

Unit

Percent flicker

ranges

White LED, 4000 K

(DC level) from 1 to 5 Lux

100

White LED, 4000 K

(DC level) from 5 to 4000 Lux

100

AC flicker frequency

detection range

For above percent flicker ranges

100

2000

AC flicker frequency

detection accuracy

Frequency range = 100 Hz to 2000 Hz

Light waveform = square (PWM)

3.3

Frequency range = 100 Hz / 120 Hz

Light waveform = sine wave

3.3

VD6283TX

ALS and flicker performances

DS13735 - Rev 1

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