CS4297 查看數據表（PDF） - Cirrus Logic
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CS4297 Datasheet PDF : 46 Pages
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CS4297
CrystalClear™ SoundFusion™ Audio Codec ’97
POWER DOWN STATES
Full Power
Parameter
ADCs and Input Mux Powerdown (PR0)
DACs Powerdown (PR1)
Analog Mixer Powerdown, Vref on (PR2)
Analog Mixer Powerdown, Vref off (PR3)
AC-Link Powerdown (PR4)
Internal Clock Disable (PR5)
Alternate Line Output Buffer Powerdown (PR6)
Min
Typ
Max
Unit
3.3 V digital
12.7
5 V digital
21.4
5 V analog -
35.0
-
mA
3.3 V digital
5.32
5 V digital
9.80
5 V analog -
23.1
-
mA
3.3 V digital
9.25
5 V digital
16.0
5 V analog -
30.0
-
mA
3.3 V digital
9.20
5 V digital
16.0
5 V analog -
10.7
-
mA
3.3 V digital
5.30
5 V digital
9.80
5 V analog -
~0.00
-
mA
3.3 V digital
3.30
5 V digital
6.92
5 V analog -
23.0
-
mA
3.3 V digital
0.004
5 V digital
0.005
5 V analog -
0.001
-
mA
3.3 V digital
5.30
5 V digital
9.80
5 V analog -
20.3
-
mA
DIGITAL FILTER CHARACTERISTICS
Parameter
Transition Band
Stop Band
Stop Band Rejection
Out-of-Band Energy
Group Delay
CS4297-KQ
CS4297-JQ
Min Typ Max Min Typ Max
Unit
0.4 × Fs - 0.6 × Fs 0.4 × Fs - 0.6 × Fs
Hz
0.6 × Fs -
- 0.6 × Fs -
-
Hz
(Note 4, 5) 74
-
-
74
-
-
dB
(Note 6) -
-82
-
-
-40
-
dB
(Note 4) -
-
1
-
-
1
ms
Notes: 5. Stop Band rejection determines filter requirements. Out-of-band rejection determines audible noise.
6. The integrated Out-of-Band generated by the DAC process, during normal PCM audio playback, over
a bandwidth 28.8 kHz to 100 kHz, with respect to a 1 VRMS DAC output.
6
DS242F5
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