TS486 Datasheet, PDF (24/31 Pages) STMicroelectronics – 100mW STEREO HEADPHONE AMPLIFIER WITH STANDBY MODE

TS486-TS487
Fig. 87: THD + N vs Output Power
10
RL = 32Ω
F = 20kHz
Av = -4
Cb = 1µF
BW < 125kHz
Tamb = 25°C
1
Vcc=2V
Vcc=2.5V
0.1
1
Vcc=3.3V
Vcc=5V
10
100
Output Power (mW)
Fig. 89: THD + N vs Frequency
RL=16Ω
Av=-4
Cb = 1µF
Bw < 125kHz
Tamb = 25°C
Vcc=2V, Po=7.5mW
0.1
Vcc=5V, Po=85mW
20
100
1000
Frequency (Hz)
10000 20k
Fig. 88: THD + N vs Output Power
10
Vcc=2V
1
Vcc=2.5V
0.1
0.01
Vcc=3.3V
RL = 600Ω, F = 20kHz
Av = -4, Cb = 1µF
Vcc=5V
BW < 125kHz, Tamb = 25°C
1E-3
0.01
0.1
1
Output Voltage (Vrms)
Fig. 90: THD + N vs Frequency
RL=32Ω
Av=-4
Cb = 1µF
Bw < 125kHz
Tamb=25°C
0.1
Vcc=2V, Po=6mW
0.01
20
Vcc=5V, Po=55mW
100
1000
Frequency (Hz)
10000 20k
Fig. 91: THD + N vs Frequency
RL=600Ω
Av=-4
Cb = 1µF
0.1 _{Bw < 125kHz}
Tamb = 25°C
Vcc=2V, Vo=0.5Vrms
0.01
1E-3
20
Vcc=5V, Vo=1.3Vrms
100
1000
Frequency (Hz)
10000 20k
Fig. 92: Crosstalk vs Frequency
80
ChB to ChA
60
40
20
0
20
ChA to ChB
100
1000
Frequency (Hz)
RL=16Ω
Vcc=5V
Pout=85mW
Av=-4
Cb = 1µF
Bw < 125kHz
Tamb=25°C
10000 20k
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