TS4990 datasheet(14/32 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

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14 / 32 page

Electrical characteristics

TS4990

14/32

Figure 38.

Current consumption vs. standby

voltage @ VCC = 5V

Figure 39.

Current consumption vs. standby

voltage @ VCC = 2.6V

012

345

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

Vcc = 5V

No load

Tamb=25

°C

Standby Voltage (V)

0.0

0.5

1.0

1.5

2.0

2.5

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

Vcc = 2.6V

No load

Tamb=25

°C

Standby Voltage (V)

Figure 40.

THD + N vs. output power

Figure 41.

Current consumption vs. standby

voltage @ VCC = 3.3V

1E-3

0.01

0.1

Vcc=5V

Vcc=3.3V

Vcc=2.6V

Vcc=2.2V

RL = 4

F = 20Hz

Av = 2

Cb = 1

μF

BW < 125kHz

Tamb = 25

°C

Output Power (W)

0.0

0.5

1.0

1.5

2.0

2.5

3.0

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

Vcc = 3.3V

No load

Tamb=25

°C

Standby Voltage (V)

Figure 42.

Current consumption vs. standby

voltage @ VCC = 2.2V

Figure 43.

THD + N vs. output power

0.0

0.5

1.0

1.5

2.0

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

Vcc = 2.2V

No load

Tamb=25

°C

Standby Voltage (V)

1E-3

0.01

0.1

0.01

0.1

Vcc=5V

Vcc=3.3V

Vcc=2.6V

Vcc=2.2V

RL = 8

F = 20Hz

Av = 2

Cb = 1

μF

BW < 125kHz

Tamb = 25

°C

Output Power (W)

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