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

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HA12228F

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

Hitachi -> Renesas Electronics 

HA12228F/HA12229F

Pin Description, Equivalent Circuit (VCC = 9 V single supply, Ta = 25°C, No Signal,

The value in the table shows typical value.)

Pin No. Terminal Name

13

MSI

Note

V = V /2

CC

Equivalent Circuit

Description

MS input *1

4

27

23 *2

TAI(L)

TAI(R)

DET(R)

V = 2.5 V

V

100 k

VCC/2

Tape input

VCC Time constant pin for

NR rectifier

V

8 *2

DET(L)

26

RIP

5 *3

Bias

14

MSDET

V = VCC/2

V = 0.28 V

V

—

GND

Ripple filter

Dolby bias current

input

GND

Time constant pin for

MS rectifier *1

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, Dec. 2000, page 3 of 51

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