LC75412WS 데이터 시트보기 (PDF) - SANYO -> Panasonic

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LC75412WS

Electronic Volume Controller for Car Audio Systems

SANYO -> Panasonic 

Continued from preceding page.

Pin

Pin No.

NC

45

NC

44

NC

43

NC

39

NC

38

NC

37

NC

21

NC

12

NC

11

NC

10

NC

6

NC

5

NC

4

TEST

28

LC75412WS

• No connect pin.

Function

• Dedicated IC test pin.

• Normally this pin is used connected to GND.

Equivalent circuit

VDD

LTOUT

RTOUT

33

• Equalizer output pins.

16

VDD

LFIN

RFIN

32

• Fader block input pins.

17

• Drive at low impedance.

VDD

LFOUT

LROUT

RFOUT

RROUT

Vref

VDD

DVSS

LAVSS

RAVSS

MUTE

31

• Fader output pins. Attenuation is possible separately for

30

the front end and rear end. The attenuation amount is

18

the same for L and R.

19

57

• Connect a capacitor of a few tens of μF between Vref

and AVSS (VSS) as a VDD/2 voltage generator, current

ripple countermeasure.

VDD

VDD

LVref

RVref

56

• Power supply pin.

27

• Logic system ground pin.

29

• Analog system ground pins.

22

23

• External muting control pin.

• Setting this pin to VSS level sets forcibly fader volume

block to -∞ level.

VDD

Continued on next page.

No.A1354-11/19

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