HA12179F Datasheet Audio Signal Processer

Manufacturer: Hitachi Semiconductor (now Renesas)

Overview: HA12179F Audio Signal Processer for Car Deck and Cassette Deck (Dolby B-type NR with PB Amp) ADE-207-136 1st Edition Apr.

Datasheet Details

Part number	HA12179F
Manufacturer	Hitachi Semiconductor (now Renesas)
File Size	259.71 KB
Description	Audio Signal Processer
Datasheet	HA12179F_HitachiSemiconductor.pdf

HA12179F is silicon monolithic bipolar IC providing Dolby noise reduction system*, line mute, music sensor and PB equalizer system in one chip.

Functions • Line mute • PB equalizer • Dolby B-NR • Music sensor × 2 channel × 2 channel × 2 channel × 1 channel

Different type of PB equalizer characteristics selection (normal/chrome or metal) is available with fully electronic control switching built-in.
Line mute ON/OFF is available.
Changeable to Foward, Reverse-mode for PB head with fully electronic control switching built-in.
Available to change music sensing level by external resistor.
Music sensing level selection is available with fully electronic control switching built-in.
Available to.

Part Number	Description
HA12170NT	Dolby B- and C-Type Noise Reduction
HA12173	Audio Signal Processor
HA12174	Audio Signal Processor
HA12175	Audio Signal Processor
HA12177	Audio Signal Processor
HA12133MP	EQUALLZER IC
HA12134A	Dolby B-Type Noise Reduction
HA12135A	Dolby B-Type Noise Reduction
HA12136A	Dolby B-Type Noise Reduction
HA12141NT	Dolby B- and C-Type Noise Reduction