参数资料
型号: TLV320AIC32IRHBG4
厂商: TEXAS INSTRUMENTS INC
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PQCC32
封装: 5 X 5 MM, GREEN, PLASTIC, QFN-32
文件页数: 27/72页
文件大小: 4594K
代理商: TLV320AIC32IRHBG4
www.ti.com
VOLUME
CONTROLS,
MIXING
LINE2L
LINE2R
PGA_L
PGA_R
DAC_L1
DAC_R1
DAC_L3
LEFT_LOP
LEFT_LOM
Gain = 0dB to +9dB,
Mute
LINE2L
LINE2R
PGA_L
PGA_R
DAC_L1
DAC_R1
DAC_R3
RIGHT_LOP
RIGHT_LOM
Gain = 0dB to +9dB,
Mute
DAC_L
DAC_L1
DAC_L2
DAC_L3
DAC_R
DAC_R1
DAC_R2
DAC_R3
STEREO
AUDIO
DAC
VOLUME
CONTROLS,
MIXING
0dB to -78dB
+
LINE2L/MIC2L
LINE2R/MIC2R
PGA_L
PGA_R
DAC_L1
DAC_R1
TLV320AIC32
SLAS479A – AUGUST 2005 – REVISED SEPTEMBER 2005
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
on the requirements of the system. If mixing of the DAC audio with other signals is not required, and the DAC
output is only needed at the stereo line outputs, then it is recommended to use the routing through path
DAC_L3/R3 to the fully differential stereo line outputs. This results not only in higher quality output performance,
but also in lower power operation, since the analog volume controls and mixing blocks ahead of these drivers
can be powered down.
33
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