User Manual

88 DS851F2
CS42L56
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
-6-5-4-3-2-10123456789101112
PGA Volume Setting
Actual Step 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 37. PGA Step Size vs. Volume Setting Figure 38. 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 ine V o lu m e S ettin g
Actual Output Volume, dB
-60
-50
-40
-30
-20
-10
0
10
-60-50-40-30-20-10 0 10 20
Figure 39. HP/Line Step Size vs. Volume Setting Figure 40. HP/Line Output Volume vs. Volume Setting