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TS4956 Datasheet(PDF) 34 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) 34 Page - STMicroelectronics

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TS4956
Electrical characteristics
34/51
Figure 120. Power dissipation vs. output
power
Figure 121. Power derating curves
Figure 122. Crosstalk vs. frequency
Figure 123. Power dissipation vs. output
power
Figure 124. Crosstalk vs. frequency
0
20 40 60 80 100 120 140 160 180 200 220 240
0
10
20
30
40
50
60
70
80
90
RL=32
Ω
RL=16
Ω
Mode 5, 6 - MLO
Vcc = 5V
F = 1kHz
THD+N < 10%
Output Power (mW)
THD+N=1%
0
25
50
75
100
125
150
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
Heat sink surface = 125mm
2
Ambiant Temperature (
°C)
No Heat sink
100
1000
10000
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
Vcc=2.7V
Po=200mW
Vcc=3.3V
Po=300mW
Mode 4
RL = 8
Ω
BTL out -> SPK out
SPK out -> BTL out
Tamb = 25
°C
Frequency (Hz)
Vcc=5V
Po=700mW
0
50
100
150
200
250
300
0
10
20
30
40
50
60
70
80
90
100
RL=32
Ω
RL=16
Ω
Mode 5, 6 - MLO
Vcc = 5.5V
F = 1kHz
THD+N < 10%
Output Power (mW)
THD+N=1%
100
1000
10000
-80
-70
-60
-50
-40
-30
-20
-10
0
RL=16
Ω
Po=15mW
RL=32
Ω
Po=10mW
Vcc = 5V, 3.3V, 2.7V
Mode 4
LHP -> RHP
RHP -> LHP
Tamb = 25
°C
Frequency (Hz)



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