CS8421_10 CIRRUS [Cirrus Logic], CS8421_10 Datasheet - Page 28
CS8421_10
Manufacturer Part Number
CS8421_10
Description
32-bit, 192-kHz Asynchronous Sample Rate Converter
Manufacturer
CIRRUS [Cirrus Logic]
Datasheet
1.CS8421_10.pdf
(36 pages)
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28
Figure 33. Wideband FFT Plot (16k Points) 0 dBFS 80 kHz
Figure 35. Wideband FFT Plot (16k Points) 0 dBFS 20 kHz
Figure 37. Wideband FFT Plot (16k Points) 0 dBFS 20 kHz
d
B
F
S
B
F
S
d
d
B
F
S
-100
-120
-140
-160
-180
-200
-100
-120
-140
-160
-180
-200
-100
-120
-140
-160
-180
-200
-20
-40
-60
-80
-20
-40
-60
-80
-20
-40
-60
-80
+0
+0
+0
2.5k
Tone, 192 kHz:192 kHz
Tone, 48 kHz:44.1 kHz
20k
5k
Tone, 48 kHz:48 kHz
5k
7.5k
40k
10k
10k
Hz
Hz
Hz
12.5k
60k
15k
15k
17.5k
80k
20k
20k
Figure 34. Wideband FFT Plot (16k Points) 0 dBFS 20 kHz
Figure 36. Wideband FFT Plot (16k Points) 0 dBFS 20 kHz
Figure 38. THD+N vs. Output Sample Rate, 0 dBFS 1 kHz
B
F
S
d
d
B
F
S
d
B
F
S
-122.5
-127.5
-132.5
-137.5
-142.5
-147.5
-100
-120
-140
-160
-180
-200
-100
-120
-140
-160
-180
-200
-120
-125
-130
-135
-140
-145
-150
-20
-40
-60
-80
-20
-40
-60
-80
+0
+0
50k
10k
5k
75k
Tone, 48 kHz:96 kHz
Tone, 96 kHz:48 kHz
Tone, Fsi = 192 kHz
20k
100k
10k
Hz
Hz
Hz
125k
30k
15k
150k
40k
20k
CS8421
175k
DS641F4
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