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TS4994IST Fiches technique(PDF) 10 Page - STMicroelectronics

No de pièce TS4994IST
Description  1W differential input/output audio power amplifier with selectable standby
PDF  35 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TS4994IST Fiches technique(HTML) 10 Page - STMicroelectronics

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Electrical characteristics
TS4994
10/35
Figure 9.
Power dissipation vs. output power
Figure 10.
Power dissipation vs. output power
0.0
0.1
0.2
0.3
0.4
0.0
0.1
0.2
0.3
RL=8
Ω
Vcc=3.3V
F=1kHz
THD+N<1%
RL=16
Ω
Output Power (W)
0.0
0.1
0.2
0.3
0.00
0.05
0.10
0.15
0.20
RL=8
Ω
Vcc=2.6V
F=1kHz
THD+N<1%
RL=16
Ω
Output Power (W)
Figure 11.
Output power vs. power supply
voltage
Figure 12.
Output power vs. power supply
voltage
2.5
3.0
3.5
4.0
4.5
5.0
0.0
0.2
0.4
0.6
0.8
1.0
32
Ω
16
Ω
Cb = 1
μF
F = 1kHz
BW < 125kHz
Tamb = 25
°C
8
Ω
Vcc (V)
2.5
3.0
3.5
4.0
4.5
5.0
0.00
0.25
0.50
0.75
1.00
1.25
1.50
8
Ω
16
Ω
32
Ω
Cb = 1
μF
F = 1kHz
BW < 125kHz
Tamb = 25
°C
Vcc (V)
Figure 13.
Output power vs. load resistance
Figure 14.
Power derating curves
8
812
16
16
20
24
24
28
32
32
0.0
0.2
0.4
0.6
0.8
1.0
Vcc=4.5V
Vcc=5V
Vcc=2.5V
Vcc=3V
Vcc=4V
Vcc=3.5V
THD+N=1%
Cb = 1 F
F = 1kHz
BW < 125kHz
Tamb = 25
°C
Load Resistance
0
25
50
75
100
125
0.0
0.5
1.0
1.5
AMR Value
with 4 layers PCB
Ambiant Temperature ( C)



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