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TS4975 Datasheet(PDF) 21 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) 21 Page - STMicroelectronics

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TS4975
Electrical Characteristics
21/36
Figure 55. Power dissipation vs. output power
(one channel
Figure 56. Power dissipation vs. output power
(one channel
Figure 57. Power dissipation vs. output power
(one channel
Figure 58. Power derating curves
0
5
10
15
20
25
0
10
20
30
40
50
60
70
RL=16
Ω, PHG
RL=32
Ω, PHG
Vcc = 2.5V
F = 1kHz
THD+N < 1%
RL=32
Ω, SE
RL=16
Ω, SE
Output Power (mW)
0
5
10
15
20
25
30
35
40
45
0
10
20
30
40
50
60
70
80
90
100
110
120
RL=16
Ω, PHG
RL=32
Ω, PHG
Vcc = 3.3V
F = 1kHz
THD+N < 1%
RL=32
Ω, SE
RL=16
Ω, SE
Output Power (mW)
0
102030
405060708090
100 110
0
20
40
60
80
100
120
140
160
180
200
220
240
260
280
RL=32
Ω, PHG
RL=16
Ω, PHG
RL=16
Ω, SE
Vcc = 5V
F = 1kHz
THD+N < 1%
RL=32
Ω, SE
Output Power (mW)
0
25
50
75
100
125
150
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
No Heat sink
Heat sink surface = 125mm
2
Ambiant Temperature (
°C)



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