HA12228F Просмотр технического описания (PDF) - Hitachi -> Renesas Electronics

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производитель

HA12228F

Audio Signal Processor for Car Deck (Decode only Dolby B-type NR* with PB Amp.)

Hitachi -> Renesas Electronics 

Block Diagram

HA12228F

HA12228F/HA12229F

PBOUT(R)

30 13k 29 28 27 26 25 24 23 22 21

18k 120/70

31

NFI(R)

270k

−

180 +

32

Vref1 F/R

RIN(L)

33

Dolby B-NR

MUTE-ON/OFF

NR ON/

20 MUTE ON/

19 120/

18

/REP(MS Gv)

34 NC

RIN(R)

35

36 GND

FIN(R)

37

38

Vref2

FIN(L)

39

F/R

NFI(L)

40

180

+

−

270k

18k 120/70

1 13k 2

+

−

LPF

+

−

S/R

MUTE-ON/OFF

Dolby B-NR

17

/REV

16 MSOUT

15

VCC

MSDET

DET 14

MSI

13

MAOUT

12

MSGv(R)

11

3 4 5 6 7 8 9 10

PBOUT(L)

Unit R: Ω

C: F

Rev.2, Dec. 2000, page 7 of 51

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