TS4900(2002) 查看數據表（PDF） - STMicroelectronics

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TS4900
(Rev.:2002)

300mW at 3.3V SUPPLY AUDIO POWER AMPLIFIER WITH STANDBY MODE ACTIVE HIGH

STMicroelectronics 

TS4900

Fig. 26 : THD + N vs Output Power

10

Rl = 4Ω

Vcc = 5V

Gv = 2

Cb = Cin = 1µF

BW < 125kHz

Tamb = 25°C

1

20kHz

20Hz, 1kHz

0.1

1E-3

0.01

0.1

1

Output Power (W)

Fig. 28 : THD + N vs Output Power

10

RL = 4Ω, Vcc = 3.3V

Gv = 2

Cb = Cin = 1µF

BW < 125kHz

Tamb = 25°C

1

20kHz

0.1

1E-3

20Hz, 1kHz

0.01

0.1

1

Output Power (W)

Fig. 30 : THD + N vs Output Power

10

RL = 4Ω, Vcc = 2.6V

Gv = 2

Cb = Cin = 1µF

BW < 125kHz

Tamb = 25°C

1

20kHz

20Hz, 1kHz

0.1

1E-3

0.01

0.1

Output Power (W)

Fig. 27 : THD + N vs Output Power

10

RL = 4Ω, Vcc = 5V

Gv = 10

Cb = Cin = 1µF

BW < 125kHz, Tamb = 25°C

20kHz

1

20Hz

0.1

1E-3

0.01

0.1

Output Power (W)

1kHz

1

Fig. 29 : THD + N vs Output Power

10

RL = 4Ω, Vcc = 3.3V

Gv = 10

Cb = Cin = 1µF

BW < 125kHz

Tamb = 25°C

1

20kHz

0.1

20Hz

1kHz

1E-3

0.01

0.1

1

Output Power (W)

Fig. 31 : THD + N vs Output Power

10

RL = 4Ω, Vcc = 2.6V

Gv = 10

Cb = Cin = 1µF

BW < 125kHz

Tamb = 25°C

1

20kHz

0.1

1kHz

1E-3

20Hz

0.01

0.1

Output Power (W)

10/19

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