TLV320AIC3204 Datasheet, PDF (63/159 Pages) Texas Instruments – Ultra Low Power Stereo Audio Codec

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5.11.2.6 4 Biquads, Filter B
TLV320AIC3204
Ultra Low Power Stereo Audio Codec
SLOS602A – SEPTEMBER 2008 – REVISED OCTOBER 2008
BiQuad
A
from
Interface
BiQuad
B
BiQuad
C
BiQuad
D
Interp.
Filter B
´
to
Modulator
Digital
Volume
Ctrl
Figure 5-23. Signal Chain for PRB_P9 and PRB_P14
5.11.2.7 4 Biquads, 1^st order IIR, DRC, Filter B
IIR
from
Interface
BiQuad
A
BiQuad
B
BiQuad
C
BiQuad
D
HPF
Interp.
Filter C
DRC
Figure 5-24. Signal Chain for PRB_P18 and PRB_P21
5.11.2.8 4 Biquads, 1st order IIR, Filter C
´
to
Modulator
Digital
Volume
Ctrl
IIR
from
Interface
BiQuad
A
BiQuad
B
BiQuad
C
BiQuad
D
Interp.
Filter C
´
to
modulator
Digital
Volume
Ctrl
Figure 5-25. Signal Chain for PRB_P19 and PRB_P22
5.11.2.9 2 Biquads, 3D, Filter A
IIR
from ^Left
Left
Channel
Interface
++
+
BiQuad
BL
BiQuad
CL
+
+
-
BiQuad
AL
BiQuad
AR
3D
PGA
Interp.
Filter A
´
to
Modulator
Digital
Volume
Ctrl
IIR
from ^Right
Right
Channel
Interface
+
-+
BiQuad
BR
BiQuad
CR
Interp.
Filter A
Figure 5-26. Signal Chain for PRB_P23
´
to
Modulator
Digital
Volume
Ctrl
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