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AS7343

Optical Characteristics

Datasheet

• PUBLIC

DS001046

• v6-00 • 2023-Jun-07

│ 13

Figure 10:

Optical Characteristics of AS7343, AGAIN: 128x, Integration Time: 11 ms (unless otherwise

noted)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Dark_1(1)

Dark ADC count

value

Ee = 0

μW/cm2

AGAIN: 512x

Integration time:

98 ms

counts

Gain

ratio(2)

Optical gain ratios,

relative to 64x gain

setting

AGAIN: 0.5x

7.49

7.9

8.28

See

note(3)

AGAIN: 1x

15.8

16.5

AGAIN: 2x

31.6

33.2

AGAIN: 4x

AGAIN: 8x

117

124

130

AGAIN: 16x

235

247

259

AGAIN: 32x

0.475

0.5

0.525

AGAIN: 64x

AGAIN: 128x

1.9

2.1

AGAIN: 256x

3.9

4.1

4.3

AGAIN: 512x

8.1

8.6

9.1

AGAIN: 1024x

15.2

16.9

18.6

AGAIN: 2048x

28.2

34.75

41.3

ADC

noise(4)

White LED, 2700 K

Integration time:

100 ms

0.05

% full

scale

tint

Typical integration

time(5)

ASTEP = 599

ATIME = 29

tASTEP

Integration time step

size

ASTEP = 999

2.78

hca

Half cone angle

On the sensor

deg

(1)

The typical 3-sigma distribution is between 0 and 1 counts for AGAIN setting of 16x.

(2)

The gain ratios are relative to 64x gain setting and are calculated relative to the response with integration time: 11 ms

and AGAIN: 128x.

(3)

ADC noise is calculated as the standard deviation of relative to full scale.

(4)

Integration time, in milliseconds, is equal to: (ATIME + 1) x (ASTEP + 1) x 2.78 µs

(5)

AGAIN ratio 0.5x to 16x is multiplied by 1000 for easier readability.

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