HA12215 Datasheet (Hitachi Semiconductor)

HA12215, Audio Signal Processor

HA12215F is 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 Licensing Cor

HA12215 Features

* REC equalizer is very small number of external parts and have 6 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