參數(shù)資料
型號: TAS3001CPWR
廠商: TEXAS INSTRUMENTS INC
元件分類: 音頻控制
英文描述: 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO28
封裝: GREEN, PLASTIC, TSSOP-28
文件頁數(shù): 54/55頁
文件大小: 432K
代理商: TAS3001CPWR
13
1.5
Functional Block Diagram
Serial
Audio
Input
Port
SDIN1
SDOUT
LRCLKOUT
SCLKOUT
Internal Clocks
SDIN2
LRCLK
SCLK
6
7
10
11
Clock
Generator
MCLK
9
PLL
Σ
23
24
6 Biquad
Filters
Treble/
Bass
Volume
8
System
Control
I2C
Slave
SDA
SCL
4
5
Address
Select
28
1
CS1
CS2
2-Channel
Stereo Mixer
Figure 11. TAS3001 Signal Flow
Figure 11 shows the signal flow from the inputs (SDIN1 and SDIN2) though each processing stage to the output
(SDOUT) where it is passed to an external DAC, digital amplifier, or other subsequent digital data processing stage.
Each of these audio processing functions is discussed in more detail in the following sections.
1.6
Mixing/Input Scaling
The TAS3001 is equipped with a dual-input stereo digital mixer. This mixer permits each input to scaled (
∞ to +18 dB)
independently. A stereo sum of the scaled results is produced.
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