TS4855 データシートの表示（PDF） - STMicroelectronics

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TS4855

LOUDSPEAKER & HEADSET DRIVER WITH VOLUME CONTROL

STMicroelectronics 

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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