Cirrus Logic AN339 - Manual (Page 6)

AN339
AN339REV1
6 AN339REV1
-130
-60
-125
-120
-115
-110
-105
-100
-95
-90
-85
-80
-75
-70
-65
d
B
r
A
20 20k 50 100 200 500 1k 2k 5k 10k
Hz
CS8414
CS8416 PDUR=0
CS8416 PDUR=1
-130
-60
-125
-120
-115
-110
-105
-100
-95
-90
-85
-80
-75
-70
-65
d
B
r
A
-120 +0 -100 -80 -60 -40 -20
dBFS
CS8414
CS8416 PDUR=0
CS8416 PDUR=1
Figure 12. THD+N vs Frequency - 0 dBFS
Fs = 48 kHz
Figure 13. THD+N vs Amplitude - 18 kHz
Fs = 48 kHz
-130
-60
-125
-120
-115
-110
-105
-100
-95
-90
-85
-80
-75
-70
-65
d
B
r
A
20 20k 50 100 200 500 1k 2k 5k 10k
Hz
Figure 14. THD+N vs Frequency - 0 dBFS
Fs = 96 kHz
CS8414
CS8416 PDUR=0
CS8416 PDUR=1
-130
-60
-125
-120
-115
-110
-105
-100
-95
-90
-85
-80
-75
-70
-65
d
B
r
A
-120 +0 -100 -80 -60 -40 -20
dBFS
CS8414
CS8416 PDUR=0
CS8416 PDUR=1
Figure 15. THD+N vs Amplitude -18 kHz
Fs = 96 kHz
-130
-60
-125
-120
-115
-110
-105
-100
-95
-90
-85
-80
-75
-70
-65
d
B
r
A
20 20k 50 100 200 500 1k 2k 5k 10k
Hz
Figure 16. THD+N vs Frequency - 0 dBFS
Fs = 192 kHz
CS8414 (48 kHz)
CS8416 PDUR=0
-130
-60
-125
-120
-115
-110
-105
-100
-95
-90
-85
-80
-75
-70
-65
d
B
r
A
-120 +0 -100 -80 -60 -40 -20
dBFS
CS8414 (48 kHz)
CS8416 PDUR=0
Figure 17. THD+N vs Amplitude - 18 kHz
Fs = 192 kHz