TS486 Datasheet, PDF (15/31 Pages) STMicroelectronics – 100mW STEREO HEADPHONE AMPLIFIER WITH STANDBY MODE

Fig. 37: THD + N vs Output Power
10
RL = 16Ω
F = 20kHz
Av = -1
Cb = 1µF
BW < 125kHz
1 _{Tamb = 25°C}
Vcc=2V
Vcc=2.5V
0.1
1
Vcc=3.3V
Vcc=5V
10
100
Output Power (mW)
Fig. 39: THD + N vs Output Power
10
Vcc=2V
1
Vcc=2.5V
0.1
0.01
Vcc=3.3V
RL = 600Ω, F = 20kHz
Av = -1, Cb = 1µF
Vcc=5V
BW < 125kHz, Tamb = 25°C
1E-3
0.01
0.1
1
Output Voltage (Vrms)
Fig. 41: THD + N vs Frequency
RL=32Ω
Av=-1
Cb = 1µF
Bw < 125kHz
0.1 ^Tamb=25°C
Vcc=2V, Po=6mW
Vcc=5V, Po=55mW
0.01
20
100
1000
Frequency (Hz)
10000 20k
TS486-TS487
Fig. 38: THD + N vs Output Power
10
RL = 32Ω
F = 20kHz
Av = -1
Cb = 1µF
BW < 125kHz
1 _{Tamb = 25°C}
Vcc=2V
Vcc=2.5V
0.1
Vcc=3.3V
Vcc=5V
1
10
100
Output Power (mW)
Fig. 40: THD + N vs Frequency
RL=16Ω
Av=-1
Cb = 1µF
Bw < 125kHz
Tamb = 25°C
0.1
Vcc=2V, Po=7.5mW
Vcc=5V, Po=85mW
0.01
20
100
1000
Frequency (Hz)
10000 20k
Fig. 42: THD + N vs Frequency
RL=600Ω
Av=-1
Cb = 1µF
0.1 Bw < 125kHz
Tamb = 25°C
Vcc=5V, Vo=1.3Vrms
Vcc=2V, Vo=0.5Vrms
0.01
1E-3
20
100
1000
Frequency (Hz)
10000 20k
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