MS6720
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器件描述：3 Stereo Inputs and 4-Channel Outputs Volume, Balance, Fader and Selectable Input Gain
器件厂商：MOSA [
MOSA ELECTRONICS]
厂商主页：http://www.mosanalog.com/
文件大小：377.15KB
文件页数：12
PDF阅读：MS6720.pdf (点击阅读器件资料)
摘要：
MOSA MS6720 3 Stereo Inputs / 4-Channel Outputs Audio Processor
REV1.0 1 www.mosanalog.com
3 Stereo Inputs and 4-Channel Outputs
Volume, Balance, Fader and Selectable Input
Gain
FEATURES
? Operation range : 2.7V~5V
? 3 stereo inputs with selectable input gain
? 4 independent speaker controls for fader and balance
? Independent mute function
? Volume control in 1.25 dB/step
? I2C interface
? Components less and good PSRR
? Housed in SOP20, SSOP20 packages
APPLICATIONS
? Portable audio device
? Car stereo audio
? Hi-Fi audio system
? Cross-reference:
PT2313L-20
DESCRIPTION
The MS6720 is a 3 stereo inputs/4-channel outputs digital control audio processor for the low voltage operation.
Volume, balance (left/right), and fader (front/rear) processor are incorporated into a single chip. The MS6720 also has
selectable input gain. All functions are programmable via the serial I2C 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 are
0dB. The stereo 4 is connected internally, but not available on pins.
BLOCK DIAGRAM
RIN2
RIN1 Volume
VolumeLIN1LIN2
LIN3
RIN3
REF
Input
Selector
&Gain
Control
ROUT RIN
LOUT LIN
1 5
6
4
9
10
11
7
8
1213
Supply
AVDD AGND
2 3
Mute
OUT_LF
OUT_LR
OUT_RF
OUT_RR
17
14
15
16
SCL
SDA
DGND18
19
20
Mute
Speaker
ATT
Mute
Speaker
ATT
Speaker
ATT
Mute
Speaker
ATT
Serial Bus Decoder and Latches
