CS8422 データシートの表示（PDF） - Cirrus Logic
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CS8422 Datasheet PDF : 82 Pages
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13.PERFORMANCE PLOTS
CS8422
Test conditions (unless otherwise specified): Measurement bandwidth is 20 Hz to Fso/2 Hz (unweighted);
VA = VL = V_REG = 3.3 V; XTI - XTO = 24.576 MHz; Input signal is a 0 dBFS 1 kHz sine wave; data resolution is
24 bits; Serial Audio Input and Output ports set to slave; Input and output clocks and data are asynchronous
+0
-1 0
-2 0
-3 0
-4 0
-5 0
-6 0
-7 0
-8 0
d
-9 0
B
F
-100
S
-110
-120
-130
-140
-150
-160
-170
-180
-190
-200
2.5k
5k
7.5k
10k
12.5k
15k
17.5k
20k
22.5k
Hz
Figure 38. Wideband FFT –
0 dBFS 1 kHz Tone, 48 kHz:48 kHz
+0
-1 0
-2 0
-3 0
-4 0
-5 0
-6 0
-7 0
-8 0
d
-9 0
B
F
-100
S
-110
-120
-130
-140
-150
-160
-170
-180
-190
-200
2.5k
5k
7.5k
10k
12.5k
15k
17.5k
20k
22.5k
Hz
Figure 40. Wideband FFT –
0 dBFS 1 kHz Tone, 44.1 kHz:48 kHz
+0
-1 0
-2 0
-3 0
-4 0
-5 0
-6 0
-7 0
-8 0
d
-9 0
B
F
-100
S
-110
-120
-130
-140
-150
-160
-170
-180
-190
-200
5k
10k
15k
20k
25k
30k
35k
40k
45k
Hz
Figure 42. Wideband FFT –
0 dBFS 1 kHz Tone, 48 kHz:96 kHz
+0
-1 0
-2 0
-3 0
-4 0
-5 0
-6 0
-7 0
-8 0
d
-9 0
B
F
-100
S
-110
-120
-130
-140
-150
-160
-170
-180
-190
-200
10k
20k
30k
40k
50k
60k
70k
80k
90k
Hz
Figure 39. Wideband FFT –
0 dBFS 1 kHz Tone, 44.1 kHz:192 kHz
+0
-1 0
-2 0
-3 0
-4 0
-5 0
-6 0
-7 0
-8 0
d
-9 0
B
F
-100
S
-110
-120
-130
-140
-150
-160
-170
-180
-190
-200
2k
4k
6k
8k
10k
12k
14k
16k
18k
20k 22k
Hz
Figure 41. Wideband FFT –
0 dBFS 1 kHz Tone, 48 kHz:44.1 kHz
+0
-1 0
-2 0
-3 0
-4 0
-5 0
-6 0
-7 0
-8 0
d
-9 0
B
F
-100
S
-110
-120
-130
-140
-150
-160
-170
-180
-190
-200
2.5k
5k
7.5k
10k
12.5k
15k
17.5k
20k
22.5k
Hz
Figure 43. Wideband FFT –
0 dBFS 1 kHz Tone, 96 kHz:48 kHz
70
DS692F1
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