TS4973 Ver la hoja de datos (PDF) - STMicroelectronics
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TS4973
STMicroelectronics
TS4973 Datasheet PDF : 19 Pages
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TS4973
Electrical Characteristics
Figure 14: Signal to noise ratio vs power
supply with unweighted filter (20Hz
to 20kHz)
Figure 17: Power dissipation vs output power
90
80
70 RL=16Ω
RL=4Ω
RL=8Ω
1.4
Vcc=5V
1.2 F=1kHz
THD+N<1%
1.0
0.8
0.6
RL=4Ω
60
Av = 10
0.4
RL=8Ω
Cb = Cin = 1µF
THD+N < 1%
0.2
Tamb = 25°C
RL=16Ω
50
2.8 3.0
3.5
4.0
4.5
5.0
0.0
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
Vcc (V)
Output Power (W)
t(s) Figure 15: Output power vs power supply
c voltage
rodu 1.6
Cb = 1µF
F = 1kHz
P BW < 125kHz
te 1.2 Tamb = 25°C
8Ω
6Ω
4Ω
ole 0.8
Obs 0.4
t(s) - 0.0
2.8 3.0
16 Ω
32 Ω
3.5
4.0
4.5
5.0
Power Supply (V)
roduc Figure 16: Output power vs power supply
P voltage
te 2.0
leCb = 1µF
oF = 1kHz
s1.6 BW < 125kHz
Tamb = 25°C
Ob 1.2
8Ω
6Ω
4Ω
Figure 18: Power dissipation vs output power
0.6
Vcc=3.3V
F=1kHz
0.5 THD+N<1%
0.4
RL=4Ω
0.3
0.2
RL=8Ω
0.1
RL=16Ω
0.0
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
Output Power (W)
Figure 19: Power dissipation vs output power
0.40
0.35
RL=4Ω
0.30
0.25
0.20
16 Ω
0.8
0.15
RL=8Ω
0.4
0.0
2.8 3.0
32 Ω
3.5
4.0
4.5
5.0
Power Supply (V)
0.10
Vcc=2.8V
0.05
RL=16Ω
F=1kHz
THD+N<1%
0.00
0.0
0.1
0.2
0.3
0.4
0.5
Output Power (W)
8/19
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