HA12229F View Datasheet(PDF) - Renesas Electronics

Part Name

Description

Manufacturer

HA12229F

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

Renesas Electronics 

HA12228F/HA12229F

Pin Description, Equivalent Circuit (cont.)

Pin No.

30

1

(VCC = 9 V single supply, Ta = 25°C, No Signal, The value in the table shows typical value.)

Terminal Name

Note

Equivalent Circuit

Description

M-OUT(R)

M-OUT(L)

V = VCC/2

VCC Equalizer output for

time constant

V

37

FIN(R)

—

39

FIN(L)

35

RIN(R)

—

33

RIN(L)

20

MUTE ON/OFF

—

21 *1

NR ON/OFF

19

120/70

17

F/R

18

S/R(MS GV)

16

MSOUT

—

22 k

100 k

GND

Equalizer input

(FORWARD)

Equalizer input

(REVERSE)

Mode control input

GND

VCC

I

MS output (to MPU) *2

10

MS Gv(S)

11

MS Gv(R)

31

NFI(R)

40

NFI(L)

V = VCC/2

V = VCC/2

Notes: 1. Non connection regarding HA12229F.

2. MS: Music Sensor

200

100 k

GND

MS gain terminal *2

V

90 k

V

VCC Equalizer output for

time constant

to Vref

Rev.2.00 Jun 15, 2005 page 4 of 48

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