Cirrus Logic CS42L55 - Manual (Page 69)

DS773F1 69
CS42L55
8. ANALOG VOLUME NON-LINEARITY (DNL & INL)
PGA Volume Setting
Actual Output Volume,
dB
-8
-6
-4
-2
0
2
4
6
8
10
12
-6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10 11 12
PGA Volume Setting
Actu
al St
ep Size,
dB
0.4
0.42
0.44
0.46
0.48
0.5
0.52
-6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10 11
Figure 23. PGA Step Size vs. Volume Setting Figure 24. PGA Output Volume vs. Volume Setting
HP/Line Volume Setting
Actual
Step Size
, dB
0
0.2
0.4
0.6
0.8
1
-60 -50 -40 -30 -20 -10 0 +10 +20
H P / L i n e V o l u m e S e t t i n g
Actua
l Outpu
t Volume
, dB
- 6 0
- 5 0
- 4 0
- 3 0
- 2 0
- 1 0
0
1 0
- 6 0 - 5 0 - 4 0 - 3 0 - 2 0 - 1 0 0 1 0 2 0
Figure 25. HP/Line Step Size vs. Volume Setting Figure 26. HP/Line Output Volume vs. Volume Setting