TDA7266 datasheet(6/9 Pages) STMICROELECTRONICS

6 / 9 page

0.010

0.1

V cc = 11 V

R l = 8 ohm

f = 15 K H z

f = 5 K H z

f = 1 KHz

Pou t (W )

THD (% )

Figure 4: Distortion vs Output Power

0.0 10

0.1

TH D (% )

Vcc = 9V

R l= 8 ohm

f = 1 5KHz

f = 5 K H z

f = 1 K H z

P out (W )

Figure 5: Distortion vs Output Power

0.0 10

0.1

100

10k

20k

THD(%)

V cc = 11 V

Rl = 8 o hm

P ou t = 100 m W

Pou t = 2W

freque ncy (Hz)

Figure 6: Distortion vs Frequency

-5.000

-4.000

-3.000

-2.000

-1.000

0.0

1.0000

2.0000

3.0000

4.0000

5.0000

100

10k

100k

Level(dBr)

Vcc = 11V

Rl = 8 ohm

Pout = 1W

frequency (Hz)

Figure 7: Gain vs Frequency

0.0

2 .0000

4 .0000

6 .0000

8 .0000

1 0.000

1 2.000

1 4.000

1 6.000

1 8.000

2 0.000

2 .000

4 .000

6 .000

8 .000

1 0.00

1 2.00

1 4.00

1 6.00

1 8.00

Po(W )

Vs(V )

d = 10%

d = 1%

Rl = 8 o hm

f = 1K H z

Figure 8: Output Power vs. Supply Voltage

00.5

11.5

22.5

33.5

44.5

55.5

66.5

77.5

Ptot(W)

µ(%)

2 X Pout(W)

Vcc = 11V

Rl = 8ohm (both channels)

f = 1KHz

Ptot

Figure 9: Total Power Dissipation & Efficiency

vs. Output Power

TDA7266

6/9

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