TS4995 Datasheet, PDF (11/26 Pages) STMicroelectronics – 1.2 W fully differential audio power amplifier with selectable standby and 6 dB fixed gain

TS4995
Electrical characteristics
Figure 20. THD+N vs. frequency
10
RL = 8Ω
G = 6dB
Cb = 1μF
BW < 125kHz
1 ^{Tamb = 25C}
Vcc=2.6V, Po=225mW
Vcc=5V, Po=850mW
0.1
Vcc=3.3V, Po=300mW
0.01
100
1000
Frequency (Hz)
10000
Figure 21. THD+N vs. frequency
10
RL = 8Ω
G = 6dB
Cb = 0
BW < 125kHz
1 ^{Tamb = 25C}
Vcc=2.6V, Po=225mW
Vcc=5V, Po=850mW
0.1
Vcc=3.3V, Po=300mW
0.01
100
1000
Frequency (Hz)
10000
Figure 22. THD+N vs. frequency
10
RL = 16Ω
G = 6dB
Cb = 1μF
BW < 125kHz
1 ^{Tamb = 25C}
Vcc=5V, Po=500mW
Vcc=2.6V, Po=125mW
0.1
0.01
Vcc=3.3V, Po=225mW
100
1000
Frequency (Hz)
10000
Figure 23. THD+N vs. frequency
10
RL = 16Ω
G = 6dB
Cb = 0
BW < 125kHz
1 ^{Tamb = 25C}
Vcc=5V, Po=500mW
Vcc=2.6V, Po=125mW
0.1
0.01
Vcc=3.3V, Po=225mW
100
1000
Frequency (Hz)
10000
Figure 24. Output power vs. power supply
voltage
10
RL = 16Ω
G = 6dB
Cb = 1μF
BW < 125kHz
1 ^{Tamb = 25C}
Vcc=5V, Po=500mW
Vcc=2.6V, Po=125mW
0.1
0.01
Vcc=3.3V, Po=225mW
100
1000
Frequency (Hz)
10000
Figure 25. Output power vs. power supply
voltage
2,4 _{Cb = 1μF}
2,2 F = 1kHz
2,0 ^{BW < 125 kHz}
1,8 ^{Tamb = 25°C}
1,6
1,4
1,2
1,0
0,8
0,6
0,4
0,2
0,0
2,5
3,0
3,5
4Ω
4,0
Vcc (V)
8Ω
16Ω
32Ω
4,5
5,0
5,5
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