TCS3490 Datasheet, PDF (7/34 Pages) ams AG – Color Light-to-Digital Converter

TCS3490 − Electrical Characteristics
Figure 10:
RGBC Characteristics, V_DD = 3V, T_A = 25ºC, AGAIN = 16x, AEN = 1 (unless otherwise noted)
Parameter
Dark ADC count value
(Clear and RGB Channels)
Dark ADC count value
(IR Channel)
Integration time step size
Number of integration steps
ADC count value
Gain scaling, relative to 16×
gain setting
Conditions
E_e = 0, AGAIN = 128x,
ATIME = 0xB8 (200ms)
ATIME = 0xFF (2.78ms) to 0xC1
(175ms) (1 to 63 steps)
ATIME = 0xC0 (178ms) to 0x00
(712ms) (64 to 256 steps)
1x: AGAIN = 00
4x: AGAIN = 01
16x: AGAIN = 10
64x: AGAIN = 11
Min
0
0
0
0
2.65
1
0
0
0.936
3.66
59.6
Typ Max Units
1
4
counts
2
counts ⁽¹⁾
1
6
counts
4
counts ⁽¹⁾
2.78 2.93
ms
256
steps
1024
counts/
step
65535 counts
0.985 1.065
3.85 4.16
×
16.0
62.7 67.8
Note(s) and/or Footnote(s):
1. Based on typical 3-sigma distribution. Not 100% tested.
Figure 11:
Wait Characteristics, V_DD = 3V, T_A = 25ºC, WEN = 1 (unless otherwise noted)
Parameter
Wait step size
Conditions
WTIME = 0xFF
Min Typ Max Units
2.78
ms
ams Datasheet
[v1-09] 2016-Jan-11
Page 7
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