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PCM3070 Datasheet(PDF) 28 Page - Texas Instruments

Part # PCM3070
Description  PCM3070 Stereo Audio Codec With Embedded miniDSP
PDF  50 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

PCM3070 Datasheet(HTML) 28 Page - Texas Instruments

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PCM3070
SLAS724A – SEPTEMBER 2008 – REVISED NOVEMBER 2014
www.ti.com
In addition to the standard set of DAC features the PCM3070 also offers the following special features:
•
Built in sine wave generation (beep generator)
•
Digital auto mute
•
Adaptive filter mode
10.3.4.1 DAC Processing Blocks — Overview
The PCM3070 implements signal processing capabilities and interpolation filtering via processing blocks. These
fixed processing blocks give users the choice of how much and what type of signal processing they may use and
which interpolation filter is applied.
Table 3 gives an overview over all available processing blocks of the DAC channel and their properties. The
Resource Class Column (RC) gives an approximate indication of power consumption.
The signal processing blocks available are:
•
First-order IIR
•
Scalable number of biquad filters
•
3D – Effect
•
Beep Generator
The processing blocks are tuned for typical cases and can achieve high image rejection or low group delay in
combination with various signal processing effects such as audio effects and frequency shaping. The available
first-order IIR and biquad filters have fully user-programmable coefficients. The Resource Class Column (RC)
gives an approximate indication of power consumption.
Table 3. Overview – DAC Predefined Processing Blocks
Processing
Interpolation
Channel
1st Order
Num. of
DRC
3D
Beep
Block No.
Filter
IIR Available
Biquads
Generator
PRB_P1(1)
A
Stereo
No
3
No
No
No
PRB_P2
A
Stereo
Yes
6
Yes
No
No
PRB_P3
A
Stereo
Yes
6
No
No
No
PRB_P4
A
Left
No
3
No
No
No
PRB_P5
A
Left
Yes
6
Yes
No
No
PRB_P6
A
Left
Yes
6
No
No
No
PRB_P7
B
Stereo
Yes
0
No
No
No
PRB_P8
B
Stereo
No
4
Yes
No
No
PRB_P9
B
Stereo
No
4
No
No
No
PRB_P10
B
Stereo
Yes
6
Yes
No
No
PRB_P11
B
Stereo
Yes
6
No
No
No
PRB_P12
B
Left
Yes
0
No
No
No
PRB_P13
B
Left
No
4
Yes
No
No
PRB_P14
B
Left
No
4
No
No
No
PRB_P15
B
Left
Yes
6
Yes
No
No
PRB_P16
B
Left
Yes
6
No
No
No
PRB_P17
C
Stereo
Yes
0
No
No
No
PRB_P18
C
Stereo
Yes
4
Yes
No
No
PRB_P19
C
Stereo
Yes
4
No
No
No
PRB_P20
C
Left
Yes
0
No
No
No
PRB_P21
C
Left
Yes
4
Yes
No
No
PRB_P22
C
Left
Yes
4
No
No
No
PRB_P23
A
Stereo
No
2
No
Yes
No
PRB_P24
A
Stereo
Yes
5
Yes
Yes
No
PRB_P25
A
Stereo
Yes
5
Yes
Yes
Yes
(1)
Default
28
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Copyright © 2008–2014, Texas Instruments Incorporated
Product Folder Links: PCM3070



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