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SGTL5000XNAA3 数据手册 - NXP（恩智浦）
制造商:
NXP（恩智浦）
分类:
接口芯片
封装:
QFN-32
描述:
NXP SGTL5000XNAA3 音频编解码器, 耳机, 立体声, 1, 1, -40 °C, 85 °C, 96 kSPS
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引脚图在P3P4Hot
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原理图在P2P12P20P23P59P60
封装尺寸在P61P62P63P64P65P66
型号编码规则在P1
封装信息在P61P62P63P64P65P66
功能描述在P3P12P13P14P15P16
技术参数、封装参数在P1P9
应用领域在P13P15P59P60
电气规格在P5P6P7P8P9P10P11P13
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SGTL5000XNAA3数据手册
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Analog Integrated Circuit Device Data
20 Freescale Semiconductor
SGTL5000
FUNCTIONAL DEVICE OPERATION
FUNCTIONAL INTERNAL BLOCK DESCRIPTION
Figure 12. Digital Audio Processing Block Diagram
When the DAP block is added in the route, it must be
enabled separately to get audio through. It is recommended
to mute the outputs before enabling/disabling the DAP block
to avoid any pops or clicks due to discontinuities in the output.
Refer to Digital Audio Processor Configuration for
programming examples on how to enable/disable the DAP
block.
Each sub-block of the DAP can be individually disabled if
its processing is not required. The following sections describe
the DAP sub-blocks and how to configure them.
Dual Input Mixer
The dual input digital mixer allows for two incoming
streams from the source select switch as shown in
DAP -
Dual Input Mixer.
Figure 13. DAP - Dual Input Mixer
The Dual Input Mixer can be enabled or configured in a
pass-through mode (Main channel is passed through without
any mixing). When enabled, the volume of the main and mix
channels can be independently controlled before they are
mixed together.
The volume range allowed on each channel is 0% to 200%
of the incoming signal level. The default is 100% (same as
input signal level) volume on the main input and 0% (muted)
on the mix input.
Refer to Dual Input Mixer for programming examples on
how to enable/disable the mixer and also to set the main and
mix channel volume.
Freescale Surround
Freescale Surround is a royalty free virtual surround
algorithm for stereo or mono inputs. It widens and deepens
the sound stage of the music input.
Automatic
Volume
Control
(AVC)
SigmaTel
Surround
SigmaTel
Bass
Enhance
7-Band
Parametric
EQ
5-Band
Graphic
EQ
Tone
Control
From
Source
Select
Swtich
To
Source
Select
Swtich
Dual
Input
Mixer
Set DAP_CONTROL->DAP_EN to enable DAP block
Only one of PEQ/GEQ/TC
can be used at a time
Each DAP sub-block can be configured in a pass-through mode
Main Input
Mix Input
Dual
Input
Mixer
Automatic
Volume
Control
(AVC)
Freescale
Surround
Freescale
Bass
Enhance
Main Channel
Main Channel Volume
DAP_MAIN_CHAN->VOL
Mix Channel Volume
DAP_MIX_CHAN->VOL
Sum
Mixer Output
From Source Select Switch
From Source Select Switch
Mix Channel
To SGTL Surround Block
To Freescale Surround Block
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