参数资料
型号: TLV320ADC3101IRGER
厂商: TEXAS INSTRUMENTS INC
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PQCC24
封装: GREEN, PLASTIC, VQFN-24
文件页数: 30/84页
文件大小: 1363K
代理商: TLV320ADC3101IRGER
1
st
Order
IIR
x
AGC
Gain
Compen
sation
AGC
FilterC
FromDelta-Sigma
Modulatoror
DigitalMicrophone
From
DigitalVol.Ctrl
To AnalogPGA
To Audio
Interface
1
st
Order
IIR
x
AGC
Gain
Compen
sation
AGC
FilterC
H E
H D
H C
HB
H A
FromDelta-Sigma
Modulatoror
DigitalMicrophone
From
DigitalVol.Ctrl
To AnalogPGA
To Audio
Interface
1
st Order
IIR
x
AGC
Gain
Compen
sation
AGC
FilterC
25-TapFIR
FromDelta-Sigma
Modulatoror
DigitalMicrophone
From
DigitalVol.Ctrl
To AnalogPGA
To Audio
Interface
User-Programmable Filters
SLAS553A – NOVEMBER 2008 – REVISED SEPTEMBER 2009...................................................................................................................................... www.ti.com
First-Order IIR, AGC, Filter C
Figure 40. Signal Chain for PRB_R13 and PRB_R16
Five Biquads, First-Order IIR, AGC, Filter C
Figure 41. Signal Chain for PRB_R14 and PRB_R17
25-Tap FIR, First-Order IIR, AGC, Filter C
Figure 42. Signal for PRB_R15 and PRB_R18
Depending on the selected processing block, different types and orders of digital filtering are available. A
first-order IIR filter is always available, and is useful to filter out possible dc components of the signal efficiently.
Up to five biquad sections, or alternatively up to 25-tap FIR filters, are available for specific processing blocks.
The coefficients of the available filters are arranged as sequentially indexed coefficients in two banks. If adaptive
filtering is chosen, the coefficient banks can be switched while the processor is running.
36
Copyright 2008–2009, Texas Instruments Incorporated
Product Folder Link(s) :TLV320ADC3101
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