HA12231FP データシートの表示（PDF） - Renesas Electronics

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HA12231FP

Audio Signal Processor for Car Deck (PB 1 Chip)

Renesas Electronics 

HA12231FP

Input Pin 10 to 22 kΩ

+ 1 to 22 µF

MPU

Figure 2 Interface for Reduction of Pop Noise

Input Block Diagram and Level Diagram

R1 R2

5.1kΩ 5.1kΩ

60mVrms

(−22.2dBs)

EQOUT

EQ Amp.

+−

FIN PBIN

0.6mVrms

RIN (−62.2dBs)

PBOUT Level

HA12231FP: 450 mVrms (−4.7 dBs)

C1

0.1µF

TAI

30mVrms

(−28.2dBs)

the other

channel

+ Input Amp. 0dB

−

MUTE

23.5dB

PBOUT

VREF

The each level shown above is typical value

when offering PBOUT level to PBOUT pin.

(EQ Amp. Gv = 40 dB, f = 1 kHz)

Figure 3 Input Block Diagram

Adjustment of Playback Reference Operate Level

After replace R1 and R2 with a half-fix volume of 10 kΩ, adjust playback reference operate level.

Rev.2.00 Jun 15, 2005 page 8 of 22

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