HA12219 Datasheet (Hitachi Semiconductor)

HA12219, Audio Signal Processor

HA12219NT is silicon monolithic bipolar IC providing PB equalizer, REC equalizer system and each electronic control switch in one chip.

Functions * PB equalizer × 2 channel * REC equalizer × 2 channel * Each electronic control switch to change REC/PB etc.

* REC MUTE

HA12219 Features

* REC equalizer is very small number of external parts, built-in 2 types of frequency characteristics.

* PB equalizer circuit built-in.

* REC /PB are possible with TYPE I/II.

* Controllable from direct micro-computer output.

* Available to reduce substrate-are