TS4972 datasheet(8/28 Pages) STMICROELECTRONICS

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TS4972

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Fig. 15 : Pout @ THD + N = 1% vs Supply

Voltage vs RL

Fig. 17 : Power Dissipation vs Pout

Fig. 19 : Power Dissipation vs Pout

Fig. 16 : Pout @ THD + N = 10% vs Supply

Voltage vs RL

Fig. 18 : Power Dissipation vs Pout

Fig. 20 : Power Derating Curves

2.5

3.0

3.5

4.0

4.5

5.0

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

Gv = 2 & 10

Cb = 1

µF

F = 1kHz

BW < 125kHz

Tamb = 25

°C

Ω

Power Supply (V)

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

RL=16

Ω

RL=8

Ω

Vcc=5V

F=1kHz

THD+N<1%

RL=4

Ω

Output Power (W)

0.0

0.1

0.2

0.3

0.4

0.00

0.05

0.10

0.15

0.20

0.25

0.30

0.35

0.40

RL=4

Ω

RL=8

Ω

Vcc=2.6V

F=1kHz

THD+N<1%

RL=16

Ω

Output Power (W)

2.5

3.0

3.5

4.0

4.5

5.0

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

Gv = 2 & 10

Cb = 1

µF

F = 1kHz

BW < 125kHz

Tamb = 25

°C

Ω

Power Supply (V)

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.0

0.1

0.2

0.3

0.4

0.5

0.6

RL=4

Ω

RL=8

Ω

Vcc=3.3V

F=1kHz

THD+N<1%

RL=16

Ω

Output Power (W)

100

125

150

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

No Heat sink

Heat sink surface = 125mm

(See demoboard)

Ambiant Temperature ( C)

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