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器件描述：4 Stereo Inputs and 2 Channels Output Volume, Tone, Balance, Loudness and Selectable Input Gain
器件厂商：MOSA [MOSA ELECTRONICS]
厂商主页：http://www.mosanalog.com/
文件大小：419.05KB
文件页数：15
PDF阅读：MS6714GTR.pdf (点击阅读器件资料)
摘要：
MOSA
MS6714
4 Stereo Inputs / 2 Channels Output Audio Processor
REV1.0 1 www.mosanalog.com
4 Stereo Inputs and 2 Channels Output
Volume, Tone, Balance, Loudness and
Selectable Input Gain
FEATURES
?Operation range : 2.7V~5V
?4 stereo inputs with selectable input gain
?2 independent speaker controls for balance
?Tone controls (treble and bass)
?Loudness and independent mute function
?Volume control in 1.25 dB/step
?I
2
C interface
? Components less and good PSRR
?Housed in SOP28, SSOP28 package
APPLICATIONS
?Portable audio device
? Car stereo audio
?Hi-Fi audio system
? Cross-reference:
PT2314
DESCRIPTION
The MS6714 is a 4 stereo inputs/2-channel outputs digital control audio processor for the low voltage operation.
Volume, tone (bass and treble), and balance (left/right) processor are incorporated into a single chip. The MS6714 also
has the loudness function and selectable input gain. These functions can be built a Hi-Fi audio system easily. All
functions are programmable via the serial I
2
C bus. The default states of the chip as the power is on are: the volume is
-78.75dB, the stereo 4 is selected, all the speakers are mute and the gains of the input stage, the bass and the treble are
0dB.
BLOCK DIAGRAM
RIN2
RIN1
TrebleBass
Volume &
Londness
Volume &
Londness
Bass Treble
LIN1
LIN2
LIN3
RIN3
REF
R
B
R
B
Input
Selector
& Gain
Control
LOUD_RROUT RIN TREB_RBOUT_R BIN_R
LOUD_LLOUT LIN TREB_LBOUT_L BIN_L
28 6 7
9
3
45
14
15
16
10
11
12 20
2122
1718 19
Supply
AVDD AGND
12
Speaker
ATT
Mute
Speaker
ATT
Mute
SCL
SDA
DGND
OUT_L
OUT_R
25
26
24
23
27
Serial Bus Decoder and Latches
LIN4
RIN4
8
13
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