TS4972(2003) 데이터 시트보기 (PDF) - STMicroelectronics

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TS4972
(Rev.:2003)

1.2W AUDIO POWER AMPLIFIER WITH STANDBY MODE ACTIVE HIGH

STMicroelectronics 

Fig. 33 : THD + N vs Output Power

10

RL = 8Ω

Vcc = 5V

Gv = 2

Cb = 0.1µF, Cin = 1µF

1 BW < 125kHz

Tamb = 25°C

20Hz

0.1

20kHz

1kHz

0.01

1E-3

0.01

0.1

1

Output Power (W)

Fig. 35 : THD + N vs Output Power

10

RL = 8Ω, Vcc = 3.3V

Gv = 2

Cb = 0.1µF, Cin = 1µF

BW < 125kHz

1 Tamb = 25°C

0.1

20Hz

20kHz

1kHz

0.01

1E-3

0.01

0.1

1

Output Power (W)

Fig. 37 : THD + N vs Output Power

10

RL = 8Ω, Vcc = 2.6V

Gv = 2

Cb = 0.1µF, Cin = 1µF

BW < 125kHz

1 Tamb = 25°C

0.1

20Hz

20kHz

0.01

1E-3

1kHz

0.01

0.1

Output Power (W)

TS4972

Fig. 34 : THD + N vs Output Power

10

RL = 8Ω, Vcc = 5V, Gv = 10

Cb = 0.1µF, Cin = 1µF

BW < 125kHz, Tamb = 25°C

1

20Hz

0.1

0.01

1E-3

20kHz

1kHz

0.01

0.1

1

Output Power (W)

Fig. 36 : THD + N vs Output Power

10

RL = 8Ω, Vcc = 3.3V, Gv = 10

Cb = 0.1µF, Cin = 1µF

BW < 125kHz, Tamb = 25°C

1

20kHz

20Hz

0.1

1kHz

0.01

1E-3

0.01

0.1

1

Output Power (W)

Fig. 38 : THD + N vs Output Power

10

RL = 8Ω, Vcc = 2.6V, Gv = 10

Cb = 0.1µF, Cin = 1µF

BW < 125kHz, Tamb = 25°C

1

20kHz

20Hz

0.1

1kHz

0.01

1E-3

0.01

0.1

Output Power (W)

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