TS4909 datasheet(12/32 Pages) STMICROELECTRONICS

No. de pieza	TS4909

Descripción Electrónicos	Dual mode low power 150mW stereo headphone amplifier with capacitor-less and single-ended outputs

PDF	32 Pages

Scroll/Zoom	100%

Fabricante Electrónico	STMICROELECTRONICS [STMicroelectronics]

Página de inicio	http://www.st.com

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Electrical characteristics

TS4909

12/32

Figure 20.

THD+N vs. output power

Figure 21.

THD+N vs. output power

1E-3

0.01

0.1

1E-3

0.01

0.1

Vcc=3V

Vcc=2.6V

Single Ended

F=1kHz, RL=16

Av=-4, Tamb=25°C

BW=20Hz-120kHz

Output Power (mW)

Vcc=5V

0.2

1E-3

0.01

0.1

0.01

0.1

Vcc=3V

Vcc=2.6V

Single Ended

F=20kHz, RL=16

Av=-4, Tamb=25°C

BW=20Hz-120kHz

Output Power (mW)

Vcc=5V

0.2

Figure 22.

THD+N vs. output power

Figure 23.

THD+N vs. output power

1E-3

0.01

0.1

1E-3

0.01

0.1

Vcc=3V

Vcc=2.6V

Single Ended

F=1kHz, RL=32

Av=-4, Tamb=25°C

BW=20Hz-120kHz

Output Power (mW)

Vcc=5V

0.2

1E-3

0.01

0.1

0.01

0.1

Vcc=3V

Vcc=2.6V

Single Ended

F=20kHz, RL=32

Av=-4, Tamb=25°C

BW=20Hz-120kHz

Output Power (mW)

Vcc=5V

0.2

Figure 24.

THD+N vs. frequency

Figure 25.

THD+N vs. frequency

100

10k

0.01

0.1

Vcc=5V

Po=90mW

Vcc=3V

Po=40mW

20k

Vcc=2.6V

Po=30mW

Phantom Ground

RL=16

Ω, Av=-1

BW=20Hz-120kHz

AMB

=25°C

Frequency (Hz)

0.002

100

10k

0.01

0.1

Vcc=5V

Po=60mW

Vcc=3V

Po=25mW

20k

Vcc=2.6V

Po=20mW

Phantom Ground

RL=32

Ω, Av=-1

BW=20Hz-120kHz

AMB

=25°C

Frequency (Hz)

0.002

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