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TS4975 Datasheet(PDF) 24 Page - STMicroelectronics

Part # TS4975
Description  Stereo Headphone Drive Amplifier with Digital Volume Control via I2C Bus
PDF  36 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TS4975 Datasheet(HTML) 24 Page - STMicroelectronics

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Application Information
TS4975
24/36
4.1.2
Gain setting operation
The gain of the TS4975 ranges from -34dB to +18 dB. At Power-up, both the right and left
channels are set in Standby mode.
Table 11.
Gain settings truth table
Table 12.
Output mode settings truth table
Table 13.
Stand-by mode I²C condition
G: Gain (dB) #
D7
(MSB)
D6
D5
D4
-34
0
001
-30
0
010
-26
0
011
-22
0
100
-18
0
101
-14
0
110
-10
0
111
-6
1
000
-2
1
001
+2
1
010
+6
1
011
+10
1
100
+14
1
101
+18
1
110
D3: PHG
on / off
D2
D1
D0
COMMENTS
0
XXX
PHG off
1
xxx
PHG on
x
000
MODE 1
X
001
MODE 2
X
010
MODE 3
X
011
MODE4
X
100
MODE 5
X
101
MODE 6
X
110
MODE 7
X
111
MODE 8
D7
(MSB)
D6
D5
D4
D3
D2
D1
D0
0
0
0
0
XXXX



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