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TS4995 データシート(PDF) 12 Page - STMicroelectronics

部品番号 TS4995
部品情報  1.2 W fully differential audio power amplifier with selectable standby and 6 dB fixed gain
PDF  26 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TS4995 データシート(HTML) 12 Page - STMicroelectronics

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Electrical characteristics
TS4995
12/26
Figure 26.
Output power vs. power supply
voltage
Figure 27.
Power derating curves
2,5
3,0
3,5
4,0
4,5
5,0
5,5
0,0
0,2
0,4
0,6
0,8
1,0
1,2
1,4
1,6
1,8
2,0
4
Ω
8
Ω
16
Ω
32
Ω
Cb = 1
μF
F = 1kHz
BW < 125 kHz
Tamb = 25
°C
Vcc (V)
025
50
75
100
125
0.0
0.2
0.4
0.6
0.8
1.0
1.2
No Heat sink
Heat sink surface
100mm
2
Ambiant Temperature (
°C)
Figure 28.
Output power vs. load resistance
Figure 29.
Power dissipation vs. output power
4
6
8
10 12141618202224 2628 30 32
0
200
400
600
800
1000
1200
1400
1600
1800
2000
Vcc=5.5V
Vcc=5V
Vcc=4.5V
Vcc=4V
Vcc=3.3V
Load Resistance (
Ω)
THD+N = 1%
F = 1kHz
Cb = 1
μF
BW < 125kHz
Tamb = 25
°C
Vcc=2.6V
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
RL=16
Ω
RL=8
Ω
Vcc=5V
F=1kHz
THD+N<1%
RL=4
Ω
Output Power (W)
Figure 30.
Power dissipation vs. output power Figure 31.
Power dissipation vs. output power
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.0
0.1
0.2
0.3
0.4
0.5
0.6
RL=4
Ω
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
0.4
0.00
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
RL=4
Ω
RL=8
Ω
Vcc=2.6V
F=1kHz
THD+N<1%
RL=16
Ω
Output Power (W)



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