CDB5381 查看數據表（PDF） - Cirrus Logic
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CDB5381 Datasheet PDF : 24 Pages
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DIGITAL FILTER CHARACTERISTICS
CS5381
Parameter
Single-Speed Mode (2 kHz to 54 kHz sample rates)
Passband
(-0.1 dB)
Passband Ripple
Stopband
Stopband Attenuation
Total Group Delay (Fs = Output Sample Rate)
Double-Speed Mode (50 kHz to 108 kHz sample rates)
Passband
(-0.1 dB)
Passband Ripple
Stopband
Stopband Attenuation
Total Group Delay (Fs = Output Sample Rate)
Quad-Speed Mode (100 kHz to 216 kHz sample rates)
Passband
(-0.1 dB)
Passband Ripple
Stopband
Stopband Attenuation
Total Group Delay (Fs = Output Sample Rate)
High-Pass Filter Characteristics
Frequency Response
-3.0 dB
-0.13 dB
Phase Deviation
@ 20 Hz
Passband Ripple
Filter Setting Time
Symbol Min Typ Max Unit
(Note 6)
(Note 6)
tgd
(Note 6)
(Note 6)
tgd
(Note 6)
(Note 6)
tgd
(Note 7)
(Note 7)
0
- 0.47 Fs
-0.1 - 0.035 dB
0.58 -
-
Fs
-95
-
-
dB
- 12/Fs -
s
0
- 0.45 Fs
-0.1 - 0.035 dB
0.68 -
-
Fs
-92
-
-
dB
- 9/Fs -
s
0
- 0.24 Fs
-0.1 - 0.035 dB
0.78 -
-
Fs
-97
-
-
dB
- 5/Fs -
s
-
1
-
Hz
20
-
Hz
-
10
- Deg
-
-
0
dB
105/Fs
s
6. The filter frequency response scales precisely with Fs.
7. Response shown is for Fs equal to 48 kHz. Filter characteristics scale with Fs.
DS563F2
7
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