TS4855_04 Datasheet, PDF (11/27 Pages) STMicroelectronics – LOUDSPEAKER & HEADSET DRIVER WITH VOLUME CONTROL

Electrical Characteristics
Figure 7: HDout THD+N vs. output power
(Output modes 2, 3 G=+3dB)
10
RL = 32Ω
BW < 125kHz
Tamb = 25°C
1
Vcc=3V
F=20kHz
Vcc=5V
F=20kHz
0.1
Vcc=3V Vcc=5V
F=1kHz F=1kHz
0.01
1E-3
0.01
0.1
Output Power (W)
Figure 8: HDout THD+N vs. output power
(Output modes 4, 5 G=+12dB)
10
RL = 16Ω
BW < 125kHz
Tamb = 25°C
1
Vcc=5V
F=20kHz
Vcc=3V
F=20kHz
0.1
0.01
1E-3
Vcc=5V
F=1kHz
Vcc=3V
F=1kHz
0.01
0.1
Output Power (W)
Figure 9: HDout THD+N vs. output power
(Output modes 4, 5 G=+6dB)
10
RL = 16Ω
BW < 125kHz
Tamb = 25°C
1
Vcc=5V
F=20kHz
Vcc=3V
F=20kHz
0.1
0.01
1E-3
Vcc=5V
F=1kHz
Vcc=3V
F=1kHz
0.01
0.1
Output Power (W)
TS4855
Figure 10: HDout THD+N vs. output power
(Output modes 4, 5 G=+12dB)
10
RL = 32Ω
BW < 125kHz
Tamb = 25°C
1
Vcc=5V
F=20kHz
Vcc=3V
F=20kHz
0.1
Vcc=5V
F=1kHz
0.01
1E-3
Vcc=3V
F=1kHz
0.01
0.1
Output Power (W)
Figure 11: HDout THD+N vs. output power
(Output modes 4, 5 G=+6dB)
10
RL = 32Ω
BW < 125kHz
Tamb = 25°C
1
Vcc=3V
F=20kHz
Vcc=5V
F=20kHz
0.1
Vcc=5V
F=1kHz
0.01
1E-3
Vcc=3V
F=1kHz
0.01
0.1
Output Power (W)
Figure 12: HDout THD+N vs. frequency
(Output modes 1, 3, 5, 7)
10
RL = 4Ω
BW < 125kHz
Tamb = 25°C
1
Vcc=5V
Vcc=3V
P=1W
P=450mW
0.1
100
1000
Frequency (Hz)
10000
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