TS4972 データシートの表示（PDF） - STMicroelectronics

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TS4972

1.2W Audio Power Amplifier with Standby Mode Active High

STMicroelectronics 

Electrical Characteristics

Figure 31: THD + N vs Output Power

10

RL = 8Ω, Vcc = 3.3V

Gv = 10

Cb = Cin = 1µF

BW < 125kHz

1 Tamb = 25°C

20Hz

0.1

20kHz

1kHz

0.01

1E-3

0.01

0.1

1

Output Power (W)

Figure 32: THD + N vs Output Power

10

RL = 8Ω, Vcc = 2.6V

Gv = 10

Cb = Cin = 1µF

BW < 125kHz

1 Tamb = 25°C

20Hz

0.1

0.01

1E-3

20kHz

1kHz

0.01

0.1

Output Power (W)

Figure 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)

TS4972

Figure 34: 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)

Figure 35: 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)

Figure 36: 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)

11/30

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