TS4972 datasheet(18/30 Pages) STMICROELECTRONICS

No de pièce	TS4972

Description	1.2W Audio Power Amplifier with Standby Mode Active High

PDF	30 Pages

Scroll/Zoom	100%

Fabricant	STMICROELECTRONICS [STMicroelectronics]

Site Internet	http://www.st.com

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18 / 30 page

TS4972

Electrical Characteristics

18/30

Figure 73: Signal to Noise Ratio vs Power

Supply with Weighted Filter Type A

Figure 74: Current Consumption vs Power

Supply Voltage

Figure 75: Current Consumption vs Standby

Voltage @ Vcc = 5V

2.5

3.0

3.5

4.0

4.5

5.0

100

RL=16

Ω

RL=4

Ω

RL=8

Ω

Gv = 10

Cb = Cin = 1µF

THD+N < 0.7%

Tamb = 25°C

Vcc (V)

012

345

Vstandby = 0V

Tamb = 25°C

Vcc (V)

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

Vcc = 5V

Tamb = 25°C

Vstandby (V)

Figure 76: Current Consumption vs Standby

Voltage @ Vcc = 2.6V

Figure 77: Clipping Voltage vs Power Supply

Voltage and Load Resistor

Figure 78: Current Consumption vs Standby

Voltage @ Vcc = 3.3V

0.0

0.5

1.0

1.5

2.0

2.5

Vcc = 2.6V

Tamb = 25°C

Vstandby (V)

2.5

3.0

3.5

4.0

4.5

5.0

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

Tamb = 25

°C

RL = 16

Ω

RL = 8

Ω

RL = 4

Ω

Power supply Voltage (V)

0.0

0.5

1.0

1.5

2.0

2.5

3.0

Vcc = 3.3V

Tamb = 25°C

Vstandby (V)

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