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CS8422 Datasheet, PDF (14/82 Pages) Cirrus Logic – 24-bit, 192 kHz, Asynchronous Sample Rate Converter with
CS8422
PERFORMANCE SPECIFICATIONS - SAMPLE RATE CONVERTER
XTI-XTO = 24.576 MHz; Input signal = 1.000 kHz, Measurement Bandwidth = 20 to Fso/2 Hz, and
Word Width = 24-Bits. (Note 2)
Parameter
Min
Resolution
16
Sample Rate
Slave XTI/2048
Master XTI/512
Sample Rate Ratio - Upsampling
-
Sample Rate Ratio - Downsampling
-
Interchannel Gain Mismatch
-
Interchannel Phase Deviation
-
Gain Error
-0.2
Peak Idle Channel Noise Component
-
Dynamic Range - Unweighted (20 Hz to Fso/2, -60 dBFS Input)
32 kHz:48 kHz
-
44.1 kHz:48 kHz
-
44.1 kHz:192 kHz
-
48 kHz:44.1 kHz
-
48 kHz:96 kHz
-
96 kHz:48 kHz
-
192 kHz:32 kHz
-
Total Harmonic Distortion + Noise (20 Hz to Fso/2, 0 dBFS Input)
32 kHz:48 kHz
-
44.1 kHz:48 kHz
-
44.1 kHz:192 kHz
-
48 kHz:44.1 kHz
-
48 kHz:96 kHz
-
96 kHz:48 kHz
-
192 kHz:32 kHz
-
Typ
-
-
-
-
-
0.0
0.0
-
-
140
141
138
140
141
140
141
-134
-134
-133
-131
-135
-136
-137
Max Units
24
bits
XTI/128 kHz
XTI/128 kHz
1:6 Fsi:Fso
6:1 Fsi:Fso
-
dB
- Degrees
0
dB
-144 dBFS
-
dB
-
dB
-
dB
-
dB
-
dB
-
dB
-
dB
-
dB
-
dB
-
dB
-
dB
-
dB
-
dB
-
dB
Notes:
2. Fsi indicates the input sample rate. Fso indicates the output sample rate. Numbers separated by a colon
indicate the ratio of Fsi to Fso.
DIGITAL FILTER CHARACTERISTICS
Parameter
Passband (Upsampling or Downsampling)
Passband Ripple
Stopband (Downsampling)
Stopband Attenuation
Group Delay
Min Typ Max Units
-
-
0.4535*
Fs
min(Fsi,Fso)
-
- ± 0.05 dB
0.5465*Fso
-
-
Fs
125
-
-
dB
See “Group Delay” on page 69
14
DS692PP1