TDA7439DS 查看數據表（PDF） - STMicroelectronics

零件编号

产品描述 (功能)

比赛名单

TDA7439DS

Three-band digitally-controlled audio processor

STMicroelectronics 

TDA7439DS

Electrical specifications

Figure 3. Test circuit

5.6nF

2.7K

18nF

5.6K

22nF 100nF

100nF

L-IN1 4

0.47µF

L-IN2 5

0.47µF

L-IN3 6

0.47µF

L-IN4 7

0.47µF

100K

100K

100K

100K

R-IN1 3

0.47µF

R-IN2 2

0.47µF

R-IN3 1

0.47µF

R-IN4 28

0.47µF

100K

100K

100K

100K

MUXOUTL

8

TREBLE(L)

18

MOUT(L)

17

16

RM

BIN(L)

14

RB

G

VOLUME

TREBLE

MIDDLE

BASS

0/30dB

2dB STEP

I2CBUS DECODER + LATCHES

G

VOLUME

TREBLE

MIDDLE

BASS

INPUT MULTIPLEXER

+ GAIN

9

MUXOUTR

19

TREBLE(R)

RM

10

11

MOUT(R)

RB

12

BIN(R)

BOUT(L)

15

SPKR ATT

LEFT

LOUT

27

21

SCL

22

SDA

20

DIGGND

SPKR ATT

RIGHT

26

ROUT

VREF

24

SUPPLY

25

13

23

BOUT(R) CREF

VS

AGND

5.6nF

18nF

2.7K

22nF 100nF

5.6K

100nF

10µF

D98AU886

7/23

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