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Silan

Semiconductors

DIGITAL CONTROLLED STEREO

AUDIO PROCESSOR WITH LOUDNESS

DESCRIPTION

The SC7313 is a volume, tone (bass and treble), balance (left/

right) and fader(front/rear) processor for quality audio applications in

car radio and Hi-Fi systems. Selectable input gain and external

loudness function are provided. Control is accomplished by serial

I

2

C bus microprocessor interface. The AC signal settings is obtained

by resistor networks and switches combined with operational

amplifiers. Due to the Used BIPOLAR/CMOS technology, low

distortion, low noise and low DC stepping are obtained.

SC7313

SOP-28

DIP-28

FEATURES

* Input multiplexer:

--3 stereo inputs

--Selectable input gain for optimal adaptation to different

sources

* Four speaker attenuators:

--4 independent speakers control in 1.25dB steps for

balance and fader facilities

--Independent mute function

* All functions programmable via serial I C Bus

2

ORDERING INFORMATION

Device

SC7313

SC7313S

Package

DIP-28-600-2.54

SOP-28-375-1.27

* Loudness function

* Volume control in 1.25dB steps

* Treble and bass control

* Input and output for external equalizer or

noise reduction system

PIN CONFIGURATIONS

C

REF

V

DD

GND

L

TREBLE

R

IN(R)

OUT(R)

LOUD R

R3

RIGHT

INPUTS

5

6

7

8

9

24

OUT RF

23

OUT LR

1

2

3

4

28

SCL

27

SDA

26

DIG GND

25

OUT LF

BUS

INPUTS

SC7313

22

OUT RR

21

BOUT(R)

20

BIN(R)

BASS

R2

10

R1

11

19

BOUT(L)

18

BIN(L)

17

OUT(L)

16

IN(L)

15

L1

LOUD L

12

LEFT

INPUTS

L3

13

L2

14

)

LEFT INPUTS

HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD

Rev: 1.1

2002.02.26

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  描述
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  英文版
  DIGITAL CONTROLLED STEREO AUDIO PROCESSOR WITH LOUDNESS
  SILAN
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  DIGITAL CONTROLLED STEREO AUDIO PROCESSOR WITH LOUDNESS
  SILAN
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