TS4990 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'TS4990' PDF : 33 Pages View PDF
Electrical characteristics
TS4990
Figure 26. Output power vs. power supply
voltage
1.2
RL = 16Ω
1.0 F = 1kHz
BW < 125kHz
Tamb = 25°C
0.8
0.6
THD+N=10%
0.4
THD+N=1%
0.2
0.0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
Vcc (V)
Figure 27. Output power vs. load resistor
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
4
THD+N=10%
Vcc = 5V
F = 1kHz
BW < 125kHz
Tamb = 25°C
THD+N=1%
8
12
16
20
24
28
32
Load Resistance ( )
Figure 28. Output power vs. load resistor
0.6
0.5
0.4
0.3
0.2
0.1
0.0
4
THD+N=10%
Vcc = 2.6V
F = 1kHz
BW < 125kHz
Tamb = 25°C
THD+N=1%
8
12
16
20
24
28
32
Load Resistance ( )
Figure 29. Output power vs. power supply
voltage
0.6
RL = 32Ω
0.5 F = 1kHz
BW < 125kHz
Tamb = 25°C
0.4
THD+N=10%
0.3
0.2
THD+N=1%
0.1
0.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
Vcc (V)
Figure 30. Output power vs. load resistor
1.0
Vcc = 3.3V
F = 1kHz
0.8
BW < 125kHz
Tamb = 25°C
THD+N=10%
0.6
0.4
0.2
THD+N=1%
0.0
8
16
24
32
Load Resistance ( )
Figure 31. Power dissipation vs. Pout
1.4
Vcc=5V
1.2 F=1kHz
THD+N<1%
1.0
RL=4Ω
0.8
0.6
0.4
RL=8Ω
0.2
RL=16Ω
0.0
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
Output Power (W)
12/32
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