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TS4962 データシート(PDF) 12 Page - STMicroelectronics

部品番号 TS4962
部品情報  3W Filter-free Class D Audio Power Amplifier
PDF  22 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TS4962 データシート(HTML) 12 Page - STMicroelectronics

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TS4962
Electrical Characteristics
12/22
Figure 10. Efficiency vs output power
Figure 11. Efficiency vs output power
Figure 12. Output power vs power supply
voltage
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
0
20
40
60
80
100
0
50
100
150
Vcc=5V
RL=8
Ω + ≥ 15µH
F=1kHz
THD+N
≤1%
Power
Dissipation
Efficiency
Output Power (W)
0.0
0.1
0.2
0.3
0.4
0.5
0
20
40
60
80
100
0
25
50
75
Vcc=3V
RL=8
Ω + ≥ 15µH
F=1kHz
THD+N
≤1%
Power
Dissipation
Efficiency
Output Power (W)
2.5
3.0
3.5
4.0
4.5
5.0
5.5
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
THD+N=10%
RL = 4
Ω + ≥ 15µH
F = 1kHz
BW < 30kHz
Tamb = 25
°C
THD+N=1%
Vcc (V)
Figure 13. Output power vs power supply
voltage
Figure 14. PSRR vs frequency
Figure 15. PSRR vs frequency
2.5
3.0
3.5
4.0
4.5
5.0
5.5
0.0
0.5
1.0
1.5
2.0
THD+N=10%
RL = 8
Ω + ≥ 15µH
F = 1kHz
BW < 30kHz
Tamb = 25
°C
THD+N=1%
Vcc (V)
100
1000
10000
-80
-70
-60
-50
-40
-30
-20
-10
0
Vcc=5V, 3.6V, 2.5V
20k
20
Vripple = 200mVpp
Inputs = Grounded
G = 6dB, Cin = 4.7
µF
RL = 4
Ω + 15µH
∆R/R≤0.1%
Tamb = 25
°C
Frequency (Hz)
100
1000
10000
-80
-70
-60
-50
-40
-30
-20
-10
0
Vcc=5V, 3.6V, 2.5V
20k
20
Vripple = 200mVpp
Inputs = Grounded
G = 6dB, Cin = 4.7
µF
RL = 4
Ω + 30µH
∆R/R≤0.1%
Tamb = 25
°C
Frequency (Hz)



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