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AS1122 Datasheet(PDF) 8 Page - ams AG

Part # AS1122
Description  12-Channel LED Dr iver wi th Dot Cor rect ion and Greyscale PWM
PDF  23 Pages
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Manufacturer  AMSCO [ams AG]
Direct Link  http://www.ams.com
Logo AMSCO - ams AG

AS1122 Datasheet(HTML) 8 Page - ams AG

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www.austriamicrosystems.com/LED-Driver-ICs
Revision 1.00
7 - 22
AS112
Datasheet - Ty p i c a l O p e r a t i n g C h a r a c t e r i s t i c s
Figure 10. ICOC vs. Temperature; REXT = 1k
Ω
Figure 11. ICOC vs. Temperature; REXT = 10k
Ω
38
38.5
39
39.5
40
40.5
41
41.5
42
-40
-15
10
35
60
85
Ambient Temperature( C)
Vdd = 2.7V
Vdd = 3.0V
Vdd = 3.6V
3.8
3.85
3.9
3.95
4
4.05
4.1
4.15
4.2
-40
-15
10
35
60
85
Ambient Temperature( C)
Vdd = 2.7V
Vdd = 3.0V
Vdd = 3.6V
Figure 12. ICOC vs. REXT
Figure 13. ICOC vs. Dot Correction; REXT = 1k
Ω
0
5
10
15
20
25
30
35
40
0
2
4
6
8
10
RIREF (kOhm)
0
5
10
15
20
25
30
35
40
0
9
18
27
36
45
54
63
Dot Correction
Figure 14. ICOC vs. PWM; REXT = 1k
Ω
Figure 15. ICOC vs. PWM; REXT = 1k
Ω
0
5
10
15
20
25
30
35
40
0
500 1000 1500 2000 2500 3000 3500 4000
PWM (#)
0
0.1
0.2
0.3
0.4
0
2
4
6
8
10
12
14
16
18
20
PWM (#)



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