TS4872 Datasheet, PDF (10/29 Pages) STMicroelectronics – RAIL TO RAIL INPUT/OUTPUT 1W AUDIO POWER AMPLIFIER WITH STANDBY MODE

TS4872
Fig. 21 : THD + N vs Output Power
10
Rl = 4Ω
Vcc = 5V
Gv = 2
Cb = Cin = 1µF
1 BW < 125kHz
Tamb = 25°C
20kHz
0.1
0.01
1E-3
20Hz
1kHz
0.01
0.1
1
Output Power (W)
Fig. 23 : THD + N vs Output Power
10
Rl = 4Ω, Vcc = 3.3V
Gv = 2
Cb = Cin = 1µF
BW < 125kHz
1 _{Tamb = 25°C}
0.1
20kHz
0.01
1E-3
20Hz
1kHz
0.01
0.1
1
Output Power (W)
Fig. 25 : THD + N vs Output Power
10
Rl = 4Ω, Vcc = 2.6V
Gv = 2
Cb = Cin = 1µF
BW < 125kHz
1 _{Tamb = 25°C}
20kHz
0.1
0.01
1E-3
20Hz
1kHz
0.01
0.1
Output Power (W)
Fig. 22 : THD + N vs Output Power
10
Rl = 4Ω, Vcc = 5V
Gv = 10
Cb = Cin = 1µF
BW < 125kHz, Tamb = 25°C
1
20kHz
0.1
20Hz
1kHz
0.01
1E-3
0.01
0.1
1
Output Power (W)
Fig. 24 : THD + N vs Output Power
10
Rl = 4Ω, Vcc = 3.3V
Gv = 10
Cb = Cin = 1µF
BW < 125kHz
1 _{Tamb = 25°C}
20kHz
0.1
0.01
1E-3
20Hz
1kHz
0.01
0.1
1
Output Power (W)
Fig. 26 : THD + N vs Output Power
10
Rl = 4Ω, Vcc = 2.6V
Gv = 10
Cb = Cin = 1µF
BW < 125kHz
1 _{Tamb = 25°C}
20Hz
0.1
0.01
1E-3
20kHz
1kHz
0.01
0.1
Output Power (W)
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