HA12229F データシートの表示（PDF） - Renesas Electronics

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HA12229F

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

Renesas Electronics 

HA12228F/HA12229F

Audio Signal Processor for Car Deck

(Decode only Dolby B-type NR* with PB Amp.)

REJ03F0134-0200

(Previous: ADE-207-325A)

Rev.2.00

Jun 15, 2005

Description

HA12228F/HA12229F are silicon monolithic bipolar IC providing Dolby noise reduction system*, music sensor, PB

equalizer system in one chip.

Notes: 1. Dolby is a trademark of Dolby Laboratories Licensing Corporation.

A license from Dolby Laboratories Licensing Corporation is required for the use of this IC.

2. HA12229F is not built-in Dolby B-NR.

Functions

• PB equalizer

• Music sensor

• Dolby B-NR (Only HA12228F)

• Line mute SW

× 2 channel

× 1 channel

× 2 channel

× 2 channel

Features

• Different type of PB equalizer characteristics selection (120 µs/70 µs) is available with fully electronic control

switching built-in.

• Easy interface with the PB head. (The PB-EQ resistance self-containing)

• Changeable to Forward, Reverse-mode for PB head with fully electronic control switching built-in.

• Available to change music sensing level by external resistor.

• Available to change response of music sensor by external capacitor.

• Music sensing level, built-in switch to change a band (MSGV).

• NR ON/OFF fully electronic control switching built-in. (Only HA12228F)

• Line mute control switching built-in.

• Available to connect direct with MPU.

• These ICs are strong for a cellular phone noise.

Rev.2.00 Jun 15, 2005 page 1 of 48

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