CS8421 Cirrus Logic, CS8421 Datasheet - Page 33

• Manufacturer Part Number: CS8421
• Description: 32-bit 192 kHz Asynchronous Sample Rate Converter
• Manufacturer: Cirrus Logic

DS641F2
All performance plots represent typical performance. Measurements for all performance plots were taken under the
following conditions, unless otherwise stated:
B
S
d
F
B
F
S
d
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Figure 63. THD+N vs. Frequency Input, 0 dBFS,
Figure 65. THD+N vs. Frequency Input, 0 dBFS,
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VD = 2.5 V, VL = 3.3 V
Serial Audio Input port set to slave
Serial Audio Output port set to slave
Input and output clocks and data are asynchronous
XTI/XTO = 27 MHz
Input signal = 1.000 kHz, 0 dBFS
Measurement Bandwidth = 20 to (Fso/2) Hz
Word Width = 24 Bits
0
0
2.5k
2.5k
5k
5k
44.1 kHz:48 kHz
48 kHz:44.1 kHz
7.5k
7.5k
10k
10k
Hz
Hz
12.5k
12.5k
15k
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17.5k
17.5k
20k
20k
B
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B
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d
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Figure 66. THD+N vs. Frequency Input, 0 dBFS,
Figure 64. THD+N vs. Frequency Input, 0 dBFS,
0
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2.5k
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5k
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96 kHz:48 kHz
48 kHz:96 kHz
7.5k
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dBFS
10k
Hz
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12.5k
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17.5k
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CS8421
20k
+0
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