TS4990 datasheet(11/32 Pages) STMICROELECTRONICS

номер детали	TS4990

подробное описание детали	1.2 W audio power amplifier with active low standby mode

PDF	32 Pages

Scroll/Zoom	100%

производитель	STMICROELECTRONICS [STMicroelectronics]

домашняя страница	http://www.st.com

Logo

11 / 32 page

TS4990

Electrical characteristics

11/32

Figure 20.

PSRR vs. DC output voltage

Figure 21.

PSRR vs. DC output voltage

-2.5 -2.0 -1.5 -1.0 -0.5

0.0

0.5

1.0

1.5

2.0

2.5

-70

-60

-50

-40

-30

-20

-10

Vcc = 2.6V

Vripple = 200mVpp

RL = 8

Cb = 1

μF

AV = 2

Tamb = 25

°C

Differential DC Output Voltage (V)

-2.5 -2.0 -1.5 -1.0 -0.5

0.0

0.5

1.0

1.5

2.0

2.5

-50

-40

-30

-20

-10

Vcc = 2.6V

Vripple = 200mVpp

RL = 8

Cb = 1

μF

AV = 10

Tamb = 25

°C

Differential DC Output Voltage (V)

Figure 22.

Output power vs. power supply

voltage

Figure 23.

PSRR vs. DC output voltage

2.5

3.0

3.5

4.0

4.5

5.0

5.5

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

2.2

2.4

THD+N=10%

RL = 4

F = 1kHz

BW < 125kHz

Tamb = 25

°C

THD+N=1%

Vcc (V)

-2.5 -2.0 -1.5 -1.0 -0.5

0.0

0.5

1.0

1.5

2.0

2.5

-60

-50

-40

-30

-20

-10

Vcc = 2.6V

Vripple = 200mVpp

RL = 8

Cb = 1

μF

AV = 5

Tamb = 25

°C

Differential DC Output Voltage (V)

Figure 24.

PSRR at F = 217 Hz vs.

bypass capacitor

Figure 25.

Output power vs. power supply

voltage

0.1

-80

-70

-60

-50

-40

-30

Av=10

Vcc:

2.6V

3.3V

Av=5

Vcc:

2.6V

3.3V

Av=2

Vcc:

2.6V

3.3V

Tamb=25

°C

Bypass Capacitor Cb ( F)

2.5

3.0

3.5

4.0

4.5

5.0

5.5

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

THD+N=10%

RL = 8

F = 1kHz

BW < 125kHz

Tamb = 25

°C

THD+N=1%

Vcc (V)

TS4990 датащи(PDF) 11 Page - STMicroelectronics

TS4990 датащи(HTML) 11 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

датащи скачать

ссылки URL