Download HA12226 Datasheet PDF
Hitachi Semiconductor
HA12226
Description 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 Licensing Corporation is required for the use of this IC. The HA12227F is not built-in Dolby B-NR. Functions - Dolby B-NR- - Music sensor - Pass amp. × 2 channel × 2 channel × 1 channel × 2 channel - REC equalizer - Each electronic control switch to change REC equalizer, bias, etc. Note: 2. The HA12227F is not built-in Dolby B-NR. 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. Unprocessed signal output available from recording out terminals during PB...