TS4855_04 Datasheet, PDF (10/27 Pages) STMicroelectronics – LOUDSPEAKER & HEADSET DRIVER WITH VOLUME CONTROL

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