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TS4956 Datasheet(PDF) 42 Page - STMicroelectronics

Part # TS4956
Description  Stereo audio amplifier system with I2C bus interface
PDF  51 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TS4956 Datasheet(HTML) 42 Page - STMicroelectronics

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TS4956
Application information
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Figure 130. 3dB lower cut off frequency vs. output capacitance
4.5
Single-ended input configuration in modes 1, 3 and 5
It is possible to use the differential inputs MIP and MIN of the TS4956 as one single-ended
input in modes where the differential inputs are active (modes 1, 3 and 5).
The schematic in
Figure 131 shows this configuration.
Figure 131. Single-ended input in modes 1, 3 and 5 for a typical application
100
1000
1
10
100
RL=32
Ω
Output capacitor Cout (
µF)
All gain setting
Tamb = 25
°C
RL=16
Ω
F
F
E
E
D
D
C
C
B
B
A
A
Bias
control
Select
I2C
Mode
TS4956
LHP
MLO
PHG
RHP
LHP Amplifier
Speaker Amplifier
RHP Amplifier
PHG Amplifier
I2CVCC
BYPASS
Digital volume
SRP+
SRN-
MLO Amplifier
Stereo
Stereo
Input Left
Input Right
LIN
RIN
Stereo
Stereo
Input Left
Input Right
MIP
MIN
B4
A2
A1
A5
B6
A7
D6
B2
D2
E7
Cb
1µF
Cs1
1µF
1k
R1
16/32 Ohms
16/32 Ohms
16/32 Ohms
+
Cout
220µF
8 Ohms
Cs2
100nF
I2CVCC
SCL
SDA
MODE1: GxMIP
MODE5: GxMIP
Vcc
+
Cin1
330nF
+
Cin2
330nF
MODE3: GxMIP
MODE3: GxMIP
I2C BUS



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