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AS7221

Optical Characteristics

Datasheet

• PUBLIC

DS000479

• v4-00 • 2019-Jun-28

│ 13

Figure 8:

AS7221 Optical Characteristics

Symbol

Parameter

Conditions

Min

Typ

(1)

Max

Unit

Color_m(2)

Color Measurement

Accuracy

White Light

CCT=2700 K,

3500 K, 4500 K and

5700K

0.002

du’v’

Z_count

Z Channel Count

Accuracy

White light CCT =

5700 K

3.375

4.5

5.625

counts/

(

W/cm2)

(1)

Typical values at Lux ≥50, Integration time=400.4 ms, Gain=1x, T

AMB = 25 ºC.

(2)

Calibration and measurements were made at diffused light.

Figure 9:

Normalized Spectral Responsivity (all filters are normalized to 1)

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.1

350

400

450

500

550

600

650

700

750

800

850

900

950

1000

1050

1100

WAVELENGTH (NM)

S ENS O R F UNCTI ON BA S ED O N CI E 1 9 31 2 ° CMF

NIR

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