HA12212F Datasheet (Hitachi Semiconductor)

HA12212F, Audio Signal Processor

HA12192F/HA12197F/HA12212F series are silicon monolithic bipolar ICs providing Dolby noise reduction system *, music sensor, PB equalizer system in one chip.

Functions * PB equalizer × 2 channel * Music sensor × 1 channel * Decode only Dolby B-NR × 2 channel Note: HA1219

HA12212F Features

* Different type of PB equalizer characteristics selection (120µ / 70µ position) is available with fully electronic control switching built-in.

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

* Available to change music sens