TDA7490L datasheet(6/9 Pages) STMICROELECTRONICS

Part #	TDA7490L

Description	15W 15W STEREO CLASS-D AMPLIFIER28W MONO IN BTL

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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02

4

6

8

10

12

14

PO(W)

0.01

0.02

0.05

0.1

0.2

0.5

1

2

5

THD

(%)

D99AU1086

Stereo

VS ± 17V; Rl=8Ω;

f=1KHz

Figure 4. Distortion vs. Output Power

02

4

6

8

10

12

14

PO(W)

0.01

0.02

0.05

0.1

0.2

0.5

1

2

5

THD

(%)

D99AU1084

Stereo

VS ± 13V; Rl=4Ω;

f=1KHz

Figure 5. Distortion vs. Output Power

0.001

0.01

0.1

1

f(KHz)

1

CT

(dB)

-20

-30

-40

-50

-60

-70

-80

-90

-100

VS ± 17V;

Rl=8

Ω;

0dB=1W

D99AU1102

Figure 6. Crosstalk vs. Frequency

0.01

0.1

1

10

f(KHz)

-14

-12

-10

-8

-6

-4

-2

0

2

AMP

(dB)

VS= ±17V;

Rl= 8

Ω;

0dB= 1W

D99AU1103

Figure 7. Frequency Response

02468

10

12

14 PO(W)

0

1

2

3

4

5

6

7

Ptot

(W)

D99AU1087

VS= ±17V;

Rl= 8

Ω;

f= 1KHz

Figure 8. Power Dissipation vs. Output Power

0

5

10

15

20

25

PO(W)

0.01

0.02

0.05

0.1

0.2

0.5

1

2

5

THD

(%)

D99AU1104

Bridge

VS ± 13V;

Rl=8

Ω;

f=1KHz

Figure 9. Distortion vs. Output Power in BTL

TDA7490L

6/9

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