HA12228F Datasheet (Hitachi Semiconductor)

HA12228F, Audio Signal Processor

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

HA12228F 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 elec