TDA8948J datasheet(11/26 Pages) NXP

Teilenummer	TDA8948J

Bauteilbeschribung	4-channel audio amplifier

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Hersteller	NXP [NXP Semiconductors]

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TDA8948J_1

Product data sheet

Rev. 01 — 27 February 2008

11 of 26

NXP Semiconductors

TDA8948J

4-channel audio ampliﬁer

a. BTL; VCC =17V; Vi =50mV.

Fig 4.

AC output voltage as a function of voltage on pin MODE1

20

VMODE1 (V)

04

8

12

Vo

(

µV)

16

107

106

105

104

103

102

10

1

coc005

fi =1 kHz

(1) 1

Ω SE at THD = 10 %

(2) 2

Ω SE at THD = 10 %

(3) 3

Ω SE at THD = 10 %

(4) 4

Ω SE at THD = 10 %

(5) 8

Ω SE at THD = 10 %

fi = 1 kHz

(1) 16

Ω BTL at THD = 10 %

(2) 8

Ω BTL at THD = 10 %

(3) 6

Ω BTL at THD = 10 %

(4) 4

Ω BTL at THD = 10 %

(5) 2

Ω BTL at THD = 10 %

a. SE: THD = 10 %; one channel

b. BTL: THD = 10 %; one channel

Fig 5.

Maximum output power as a function of supply voltage at various loads

VP (V)

828

24

16

20

12

010aaa111

10

20

30

Po(max)

(W)

0

(5)

(2)

(3)

(4)

(1)

VP (V)

828

24

16

20

12

010aaa112

20

40

60

Po(max)

(W)

0

(4)

(5)

(3)

(2)

(1)

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