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TS4994IQT View Datasheet(PDF) - STMicroelectronics

Part Name
Description
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TS4994IQT Datasheet PDF : 31 Pages
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TS4994
Electrical Characteristics
Figure 9. Power dissipation vs. output power
Figure 12. Output power vs. power supply
voltage
0.3
RL=8
0.2
0.1
0.0
0.0
RL=16
0.1
0.2
0.3
Output Power (W)
Vcc=3.3V
F=1kHz
THD+N<1%
0.4
1.50
Cb = 1µF
1.25 F = 1kHz
BW < 125kHz
Tamb = 25°C
1.00
0.75
0.50
0.25
0.00
2.5
3.0
8
3.5
4.0
Vcc (V)
16
32
4.5
5.0
Figure 10. Power dissipation vs. output power
0.20
Vcc=2.6V
F=1kHz
THD+N<1%
0.15
0.10
RL=8
0.05
RL=16
0.00
0.0
0.1
0.2
0.3
Output Power (W)
Figure 13. Output power vs. load resistance
1.0
THD+N=1%
Cb = 1 F
0.8
Vcc=5V
F = 1kHz
Vcc=4.5V
BW < 125kHz
Tamb = 25°C
0.6
Vcc=4V
0.4
0.2
Vcc=3.5V
Vcc=3V
Vcc=2.5V
0.0
8
12
16
20
24
28
32
Load Resistance
Figure 11. Output power vs. power
supply voltage
1.0
Cb = 1µF
F = 1kHz
0.8 BW < 125kHz
Tamb = 25°C
0.6
0.4
8
16
0.2
32
0.0
2.5
3.0
3.5
4.0
4.5
5.0
Vcc (V)
Figure 14. Power derating curves
1.5
with 4 layers PCB
1.0
0.5
0.0
0
AMR Value
25
50
75
100
125
Ambiant Temperature ( C)
8/31
 

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