參數(shù)資料
型號: TLV320AIC32IRHB
廠商: TEXAS INSTRUMENTS INC
元件分類: 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQCC32
封裝: 5 X 5 MM, PLASTIC, QFN-32
文件頁數(shù): 26/76頁
文件大?。?/td> 1124K
代理商: TLV320AIC32IRHB
www.ti.com
VOLUME
CONTROLS,
MIXING
LINE2L
LINE2R
PGA_L
PGA_R
DAC_L1
DAC_R1
DAC_L3
LEFT_LOP
LEFT_LOM
Gain=0dBto+9dB,
Mute
LINE2L
LINE2R
PGA_L
PGA_R
DAC_L1
DAC_R1
DAC_R3
RIGHT_LOP
RIGHT_LOM
Gain=0dBto+9dB,
Mute
DAC_L
DAC_L1
DAC_L2
DAC_L3
DAC_R
DAC_R1
DAC_R2
DAC_R3
STEREO
AUDIO
DAC
VOLUME
CONTROLS,
MIXING
0dBto -78dB
+
LINE2L/MIC2L
LINE2R/MIC2R
PGA_L
PGA_R
DAC_L1
DAC_R1
SLAS479B – AUGUST 2005 – REVISED AUGUST 2006
The PGA_L/R signals refer to the outputs of the ADC PGA stages that are similarly passed around the ADC to
the output stage. Note that since both left and right channel signals are routed to all output drivers, a mono mix
of any of the stereo signals can easily be obtained by setting the volume controls of both left and right channel
signals to –6 dB and mixing them. Undesired signals can also be disconnected from the mix as well through
register control.
Figure 29. Architecture of the Output Stage Leading to the Fully Differential Line Output Drivers
Figure 30. Detail of the Volume Control and Mixing Function Shown in Figure 25 and Figure 16
The DAC_L/R signals are the outputs of the stereo audio DAC, which can be steered by register control based
32
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