TS4900 查看數據表（PDF） - STMicroelectronics

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TS4900

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

STMicroelectronics 

TS4900

Fig. 32 : THD + N vs Output Power

Fig. 33 : THD + N vs Output Power

10

RL = 8Ω

Vcc = 5V

Gv = 2

Cb = Cin = 1µF

BW < 125kHz

1 Tamb = 25°C

20Hz, 1kHz

20kHz

10

RL = 8Ω

Vcc = 5V

Gv = 10

Cb = Cin = 1µF

BW < 125kHz

1 Tamb = 25°C

20Hz

20kHz

0.1

0.1

) 1E-3

0.01

0.1

1

t(s Output Power (W)

uc Fig. 34 : THD + N vs Output Power

Prod t(s) 10

RL = 8Ω, Vcc = 3.3V

te c Gv = 2

le u Cb = Cin = 1µF

BW < 125kHz

d Tamb = 25°C

so ro 1

- Ob te P 20Hz, 1kHz

20kHz

t(s) ole 0.1

c bs 1E-3

0.01

0.1

1

u O Output Power (W)

Prod t(s) - Fig. 36 : THD + N vs Output Power

lete uc 10

d RL = 8Ω, Vcc = 2.6V

so ro Gv =2

Cb = Cin = 1µF

b P BW < 125kHz

Tamb = 25°C

O te 1

ole 20Hz, 1kHz

20kHz

Obs0.1

1kHz

1E-3

0.01

0.1

1

Output Power (W)

Fig. 35 : THD + N vs Output Power

10

RL = 8Ω, Vcc = 3.3V

Gv = 10

Cb = Cin = 1µF

BW < 125kHz

Tamb = 25°C

1

20Hz

20kHz

0.1

1kHz

1E-3

0.01

0.1

1

Output Power (W)

Fig. 37 : THD + N vs Output Power

10

RL = 8Ω, Vcc = 2.6V

Gv = 10

Cb = Cin = 1µF

BW < 125kHz

Tamb = 25°C

1

20Hz

20kHz

0.1

1kHz

1E-3

0.01

0.1

Output Power (W)

1E-3

0.01

0.1

Output Power (W)

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