CS4297
CrystalClear™ SoundFusion™ Audio Codec ’97
POWER DOWN STATES
Parameter
Full Power
3.3 V digital
5 V digital
5 V analog
3.3 V digital
5 V digital
5 V analog
3.3 V digital
5 V digital
5 V analog
3.3 V digital
5 V digital
5 V analog
3.3 V digital
5 V digital
5 V analog
3.3 V digital
5 V digital
5 V analog
3.3 V digital
5 V digital
5 V analog
3.3 V digital
5 V digital
5 V analog
Min
Typ
12.7
21.4
35.0
5.32
9.80
23.1
9.25
16.0
30.0
9.20
16.0
10.7
5.30
9.80
~0.00
3.30
6.92
23.0
0.004
0.005
0.001
5.30
9.80
20.3
Max
Unit
-
-
mA
ADCs and Input Mux Powerdown (PR0)
-
-
mA
DACs Powerdown (PR1)
-
-
mA
Analog Mixer Powerdown, Vref on (PR2)
-
-
mA
Analog Mixer Powerdown, Vref off (PR3)
-
-
mA
AC-Link Powerdown (PR4)
-
-
mA
Internal Clock Disable (PR5)
-
-
mA
Alternate Line Output Buffer Powerdown (PR6)
-
-
mA
DIGITAL FILTER CHARACTERISTICS
CS4297-KQ
Parameter
Transition Band
Stop Band
Stop Band Rejection
Out-of-Band Energy
Group Delay
(Note 4, 5)
(Note 6)
(Note 4)
Min
0.4 × F
s
0.6 × F
s
74
-
-
Typ
-
-
-
-82
-
CS4297-JQ
Typ
-
-
-
-40
-
Max
0.6 × F
s
-
-
-
1
Unit
Hz
Hz
dB
dB
ms
Max
Min
0.6 × F
s
0.4 × F
s
-
-
-
1
0.6 × F
s
74
-
-
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 V
RMS
DAC output.
6
DS242F5
CIRRUS [ CIRRUS LOGIC ]
