TS4974 datasheet(10/25 Pages) STMICROELECTRONICS

Il numero della parte	TS4974

Spiegazioni elettronici	1W differential audio power amplifier with up/down digital volume control pins

PDF	25 Pages

Scroll/Zoom	100%

Produttore elettronici	STMICROELECTRONICS [STMicroelectronics]

Homepage	http://www.st.com

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10 / 25 page

Electrical characteristics

TS4974

10/25

Figure 8.

THD+N vs. output power

Figure 9.

THD+N vs. output power

1E-3

0.01

0.1

Vcc=2.6V

Vcc=3.3V

Vcc=5V

RL = 16

G = 0dB

F = 20kHz

Cb = 1

μF

BW < 125kHz

Tamb = 25

°C

Output power (W)

1E-3

0.01

0.1

Vcc=2.6V

Vcc=3.3V

Vcc=5V

RL = 16

G = 12dB

F = 20kHz

Cb = 1

μF

BW < 125kHz

Tamb = 25

°C

Output power (W)

Figure 10.

THD+N vs. frequency

Figure 11.

THD+N vs. frequency

100

1000

10000

0.1

Vcc=2.6V

Pout=150mW

Vcc=3.3V

Pout=250mW

Vcc=5V

Pout=500mW

RL = 8

G = 0dB

Cb = 1

μF

BW < 125kHz

Tamb = 25

°C

Frequency (dB)

100

1000

10000

0.1

Vcc=2.6V

Pout=150mW

Vcc=3.3V

Pout=250mW

Vcc=5V

Pout=500mW

RL = 8

G = 12dB

Cb = 1

μF

BW < 125kHz

Tamb = 25

°C

Frequency (dB)

Figure 12.

THD+N vs. frequency

Figure 13.

THD+N vs. frequency

100

1000

10000

0.1

Vcc=2.6V

Pout=90mW

Vcc=3.3V

Pout=150mW

Vcc=5V

Pout=300mW

RL = 16

G = 0dB

Cb = 1

μF

BW < 125kHz

Tamb = 25

°C

Frequency (dB)

100

1000

10000

0.1

Vcc=2.6V

Pout=90mW

Vcc=3.3V

Pout=150mW

Vcc=5V

Pout=300mW

RL = 16

G = 12dB

Cb = 1

μF

BW < 125kHz

Tamb = 25

°C

Frequency (dB)

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