Datasheet

1
st
Order
IIR
AGC
Gain
Compen
sation
AGC
FilterB
20-TapFIR
FromDelta-Sigma
Modulatoror
DigitalMicrophone
From
DigitalVol.Ctrl
To AnalogPGA
To Audio
Interface
´
1
st
Order
IIR
AGC
Gain
Compen
sation
AGC
FilterB H
C
H
B
H
A
FromDelta-Sigma
Modulatoror
DigitalMicrophone
From
DigitalVol.Ctrl
To AnalogPGA
To Audio
Interface
´
To Audio
Interface
1
st
Order
IIR
AGC
Gain
Compen
sation
AGC
FilterB
From
DigitalVol.Ctrl
To Audio
Interface
To AnalogPGA
FromDelta-Sigma
Modulatoror
DigitalMicrophone
´
1
st
Order
IIR
AGC
Gain
Compen
sation
AGC
Filter A
25-TapFIR
FromDelta-Sigma
Modulatoror
DigitalMicrophone
From
DigitalVol.Ctrl
To AnalogPGA
To Audio
Interface
´
TLV320AIC3120
SLAS653A –FEBRUARY 2010–REVISED MAY 2012 www.ti.com
5.5.4.2.3 25-Tap FIR, First-Order IIR, AGC, Filter A
Figure 5-5. Signal Chain for PRB_R6
5.5.4.2.4 First-Order IIR, AGC, Filter B
Figure 5-6. Signal Chain for PRB_R10
5.5.4.2.5 Three Biquads, First-Order IIR, AGC, Filter B
Figure 5-7. Signal Chain for PRB_R11
5.5.4.2.6 20-Tap FIR, First-Order IIR, AGC, Filter B
Figure 5-8. Signal Chain for PRB_R12
30 APPLICATION INFORMATION Copyright © 2010–2012, Texas Instruments Incorporated
Submit Documentation Feedback
Product Folder Link(s): TLV320AIC3120