Cirrus Logic CS43L21 - Manual (Page 56)

56 DS723F1
CS43L21
G = 0.6047
G = 0.7099
G = 0.8399
G = 1.0000
G = 1.1430
Legend
-100
-20
-95
-90
-85
-80
-75
-70
-65
-60
-55
-50
-45
-40
-35
-30
d
B
r
A
0 60m 6m 12m 18m 24m 30m 36m 42m 48m 54m
W
Figure 23. THD+N vs. Output Power per Channel at 1.8 V (32
 load)
VA_HP = VA = 1.8
NOTE: Graph shows the out-
put power per channel (i.e.
Output Power = 22 mW into
single 32
 and 44 mW into
stereo 32
 with THD+N = -
75 dB).
G = 0.6047
G = 0.7099
G = 0.8399
G = 1.0000
G = 1.1430
Legend
-100
-20
-95
-90
-85
-80
-75
-70
-65
-60
-55
-50
-45
-40
-35
-30
-25
d
B
r
A
0 60m 5m 10m 15m 20m 25m 30m 35m 40m 45m 50m 55m
W
Figure 24. THD+N vs. Output Power per Channel at 2.5 V (32
 load)
VA_HP = VA = 2.5 V
NOTE: Graph shows the out-
put power per channel (i.e.
Output Power = 42 mW into
single 32
 and 84 mW into
stereo 32
 with THD+N = -
75 dB).