CRD42L51 Cirrus Logic Inc, CRD42L51 Datasheet - Page 75
CRD42L51
Manufacturer Part Number
CRD42L51
Description
Ref Bd Low-voltage Stereo Codec
Manufacturer
Cirrus Logic Inc
- Current page: 75 of 88
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DS679F1
7. ANALOG PERFORMANCE PLOTS
7.1
B
A
d
r
d
B
A
r
-100
-100
-10
-15
-20
-25
-30
-35
-40
-45
-50
-55
-60
-65
-70
-75
-80
-85
-90
-95
-10
-15
-20
-25
-30
-35
-40
-45
-50
-55
-60
-65
-70
-75
-80
-85
-90
-95
0
0
VA_HP = VA = 1.8 V
VA_HP = VA = 2.5 V
Headphone THD+N versus Output Power Plots
Test conditions (unless otherwise specified): Input test signal is a 997 Hz sine wave; measurement band-
width is 10 Hz to 20 kHz; Fs = 48 kHz. Plots were taken from the CDB42L51 using an Audio Precision an-
alyzer.
10m
10m
20m
20m
Figure 27. THD+N vs. Output Power per Channel at 1.8 V (16 Ω load)
Figure 28. THD+N vs. Output Power per Channel at 2.5 V (16 Ω load)
30m
30m
40m
40m
W
W
50m
50m
60m
60m
70m
70m
80m
80m
NOTE: Graph shows the out-
put power per channel (i.e.
Output Power = 23 mW into
single 16 Ω and 46 mW into
stereo 16 Ω with THD+N = -
75 dB).
NOTE: Graph shows the out-
put power per channel (i.e.
Output Power = 44 mW into
single 16 Ω and 88 mW into
stereo 16 Ω with THD+N = -
75 dB).
Legend
Legend
G = 0.6047
G = 0.7099
G = 0.8399
G = 1.0000
G = 1.1430
G = 0.6047
G = 0.7099
G = 0.8399
G = 1.0000
G = 1.1430
CS42L51
75
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