UPC1857A Ver la hoja de datos (PDF) - NEC => Renesas Technology

Número de pieza

componentes Descripción

Fabricante

UPC1857A

SOUND CONTROL IC WITH SURROUND AND I2C BUS

NEC => Renesas Technology 

µPC1857A

BLOCK DIAGRAM

820 k

0.082 µF 680 pF 22 µF

MFO

29

MFI

30

LF1

28

+

1

2

VCC

DGND

24

23

+

ADS SDA SCL

22 21 20

12 V

VCC

15

2.2

+

µ

F

0.047

µF

OFL1 OFL2 LBC

19 18

10

3300 pF 3.3 µF

LTC VOL-C

9

17

Lin

+ 26

2.2 µF +

+

-

LPF

-

+

Rin

+ 27

2.2 µF

1

2

VCC

Phase shifter

PS1 PS2 PS3 PS4

I2C bus

interface

L

+

L+R

+

+

L+

Effect

control

+

LPF

-

R-

Output

select

+

+

R

+

Offset

absorption

Offset

absorption

Tone

control

Lout

14

Volume,

balance

control/

mute

Tone

control

Rout

13

MIX

+ 25

2.2 µF

2345

FC1 FC2 FC3 FC4

0.1 µF

0.022 µF

2200 pF 0.022 µF

6

LF2

1000 pF

1

AGND

11 12

8

OFR1 OFR2 RBC

+ 0.047 µ F

2.2 µF

7

16

RTC + BAL-C

3300 pF 3.3 µF

4

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