CS4330 CIRRUS [Cirrus Logic], CS4330 Datasheet - Page 13
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CS4330
Manufacturer Part Number
CS4330
Description
8 Pin Stereo D/A Converter for Digital Audio
Manufacturer
CIRRUS [Cirrus Logic]
Datasheet
1.CS4330.pdf
(38 pages)
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mended on the analog outputs. The required ca-
pacitor value is defined by:
C
Example:
A value of 680 pF may be used with only 1.45%
error which is negligible.
DS136F1
Figure 10. CS4330/31/33 Combined Digital and Analog
Figure 9. CS4330/31/33 Combined Digital and Analog
2
Fs 2400
Fs = 48 kHz
C = 690 pF
Filter Stopband Rejection
Filter Transition Band
1
2
Combined Digital and Analog Filter Response
switched-capacitor filter, digital filter, and off-
chip single pole RC-filter at 2 Fs, is shown in
Figures 9, 10, 11, and 12. The overall response
is clock dependent and will scale with Fs. Note
that the response plots have been normalized to
Fs and can be de-normalized by multiplying the
X-axis scale by Fs.
Figure 11. CS4330/31/33 Combined Digital and Analog
Figure 12. CS4330/31/33 Combined Digital and Analog
The frequency response of the combined analog
Filter Passband Ripple
Filter Transition Band
CS4330, CS4331, CS4333
13