HA12209 Datasheet Audio Signal Processor

Manufacturer: Hitachi Semiconductor (now Renesas)

Overview: HA12209F Audio Signal Processor for Cassette Deck (Dolby B-type NR with Recording System) ADE-207-221A (Z) 2nd Edition Jun.

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HA12209 audio signal processor by Hitachi Semiconductor (now Renesas) - Datasheet Preview

Datasheet Details

Part number	HA12209
Manufacturer	Hitachi Semiconductor (now Renesas)
File Size	279.87 KB
Description	Audio Signal Processor
Download	HA12209 Download (PDF)

General Description

HA12209F is silicon monolithic bipolar IC providing Dolby noise reduction system*, music sensor system, REC equalizer system and each electronic control switch in one chip.

Functions • Dolby B-NR • REC equalizer • Music sensor × 2 channel × 2 channel × 1 channel • Each electronic control switch to change REC equalizer, bias, etc.

Key Features

REC equalizer is very small number of external parts and have 4 types of frequency characteristics built-in.
2 types of input for PB, 1 type of input for REC.
70µ-PB equalizer changing system built-in.
Dolby NR with dubbing double cassette decks. Unprocessed signal output available from recording out terminals during PB mode.
Provide stable music sensor system, available to design music sensing time and level.
Controllable from direct m.

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