CS8421 Cirrus Logic, CS8421 Datasheet - Page 11

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

DS641F2
PERFORMANCE SPECIFICATIONS
(XTI/XTO = 27 MHz; Input signal = 1.000 kHz, 0 dBFS, Measurement Bandwidth = 20 to Fso/2 Hz, and Word
Width = 32-Bits, unless otherwise stated.)
Resolution
Sample Rate with XTI = 27.000 MHz
Sample Rate with other XTI clocks
Sample Rate with ring oscillator (XTI to GND or VL, XTO floating)
Sample Rate Ratio - Upsampling
Sample Rate Ratio - Downsampling
Interchannel Gain Mismatch
Interchannel Phase Deviation
Peak Idle Channel Noise Component (32-bit operation)
Dynamic Range (20 Hz to Fso/2, 1 kHz, -60 dBFS Input)
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, 1 kHz, 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
Parameter
Unweighted
Unweighted
Unweighted
Unweighted
Unweighted
Unweighted
A-Weighted
A-Weighted
A-Weighted
A-Weighted
A-Weighted
A-Weighted
Master
Master
Slave
Slave
XTI/3750
XTI/512
Min
7.2
16
53
12
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-161
-171
-130
-160
-148
-168
-173
Typ
180
177
175
172
180
177
179
176
176
173
175
172
0.0
0.0
-
-
-
-
-
-
-
-
-
w w w . D a t a S h e e t 4 U . c o m
XTI/130
XTI/128
7.5:1
Max
-192
207
211
1:8
32
96
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
CS8421
Degrees
Units
dBFS
kHz
kHz
kHz
kHz
kHz
bits
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
11