CS42L51_07 Datasheet, PDF (76/88 Pages) Cirrus Logic – Low Power, Stereo CODEC with Headphone Amp

CS42L51
VA_HP = VA = 1.8
-20
-30
-35
-40
-45
-50
-55
d
B
r
-60
A
-65
-70
-75
-80
Legend
G = 0.6047
G = 0.7099
G = 0.8399
G = 1.0000
G = 1.1430
NOTE: Graph shows the out-
put power per channel (i.e.
Output Power = 22 mW into
single 32 Ω and 44 mW into
stereo 32 Ω with THD+N = -
75 dB).
-85
-90
-95
-100
0
6m
12m
18m
24m
30m
36m
42m
48m
54m
60m
W
Figure 29. THD+N vs. Output Power per Channel at 1.8 V (32 Ω load)
-20
VA_HP = VA = 2.5 V
-25
-30
-35
-40
-45
-50
Legend
G = 0.6047
G = 0.7099
G = 0.8399
G = 1.0000
G = 1.1430
-55
d
B
r
-60
A
-65
-70
-75
-80
NOTE: Graph shows the out-
put power per channel (i.e.
Output Power = 42 mW into
single 32 Ω and 84 mW into
stereo 32 Ω with THD+N = -
75 dB).
-85
-90
-95
-100
0
5m
10m
15m
20m
25m
30m
35m
40m
45m
50m
55m
60m
W
Figure 30. THD+N vs. Output Power per Channel at 2.5 V (32 Ω load)
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DS679F1