HA12226 Datasheet (Hitachi Semiconductor)

HA12226, Audio Signal Processor

The HA12226F/HA12227F are silicon monolithic bipolar IC providing Dolby noise reduction system * , music sensor system, REC equalizer system and each electronic control switch in one chip.

Note: 1.

Dolby is a trademark of Dolby Laboratories Licensing Corporation.

A license from Dolby Laboratories

HA12226 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. Unproc