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Fig.4 thd as a function of output power, Fig.5 thd as a function of frequency, Fig.6 output power as a function of supply voltage – Philips TDA7053A User Manual

Page 7

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1997 Jul 15

7

Philips Semiconductors

Product specification

Stereo BTL audio output amplifier with DC
volume control

TDA7053A

Fig.3

Quiescent current as a function of supply
voltage.

handbook, halfpage

0

4

20

VP (V)

40

30

10

0

20

MBG672

8

12

16

Iq

(mA)

Fig.4 THD as a function of output power.

(1) V

P

= 4.5 V.

(2) V

P

= 6 V; R

L

= 8

.

(3) V

P

= 12 V; R

L

= 25

.

handbook, halfpage

12

THD

(%)

Pout (W)

0

8

10

2

10

1

1

MBG671

10

4

(1)

(2)

(3)

Fig.5 THD as a function of frequency.

(1) G

v

= 30 dB; P

o

= 0.1 W.

(2) G

v

= 40 dB; P

o

= 0.1 W.

handbook, halfpage

10

2

MBG669

10

1

10

2

10

1

f (kHz)

THD

(%)

10

0

4

6

8

2

(2)

(1)

Fig.6

Output power as a function of supply
voltage.

(1) R

L

= 8

.

(2) R

L

= 16

.

(3) R

L

= 25

.

handbook, halfpage

0

VP (V)

Pout

(W)

2.5

0

0.5

MBG670

1.0

1.5

2.0

4

8

12

16

(1)

(2)

(3)