HA12228F データシートの表示（PDF） - Renesas Electronics

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HA12228F

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

Renesas Electronics 

HA12228F/HA12229F

Pin Description, Equivalent Circuit

Pin No.

13

4

27

23 *2

8 *2

26

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

Terminal Name

Note

Equivalent Circuit

Description

MSI

V = VCC/2

MS input *1

TAI(L)

Tape input

TAI(R)

V

100 k

VCC/2

DET(R)

DET(L)

V = 2.5 V

VCC Time constant pin for

NR rectifier

RIP

V = VCC/2

Ripple filter

V

5 *3

Bias

V = 0.28 V

V

14

MSDET

—

GND

Dolby bias current

input

GND

Time constant pin for

MS rectifier *1

25

PBOUT(R)

6

PBOUT(L)

12

MAOUT

V = VCC/2

V

GND

VCC

PB output

MS amp. output *1

29

EQOUT(R)

2

EQOUT(L)

V = VCC/2

V

GND

VCC

Equalizer output

GND

Notes: 1. MS: Music Sensor

2. Non connection regarding HA12229F.

3. Test pin regarding HA12229F. Usually open or pull down to GND with 18 kΩ.

Rev.2.00 Jun 15, 2005 page 3 of 48

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