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HA12173 Datasheet Audio Signal Processor

Manufacturer: Hitachi Semiconductor (now Renesas)

Overview: HA12173 Series Audio Signal Processor for Car Deck and Cassette Deck (Dolby B/C-type NR with PB Amp) ADE-204-016 1st Edition Nov.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

HA12173 series are silicon monolithic bipolar IC providing Dolby noise reduction system*, music sensor and PB equalizer system in one chip.

Functions • PB equalizer • Dolby B/C-NR • Music sensor × 2 channel × 2 channel × 1 channel

Key Features

  • Different type of PB equalizer characteristics selection (normal/chrome or metal) is available with fully electronic control switching built-in.
  • 2 type of input selection (RADIO/TAPE) is available.
  • Changeable to Forward, 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.

More Datasheets from Hitachi Semiconductor (now Renesas)

Part Number Description
HA12170NT Dolby B- and C-Type Noise Reduction
HA12174 Audio Signal Processor
HA12175 Audio Signal Processor
HA12177 Audio Signal Processor
HA12179F Audio Signal Processer
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

HA12173 Distributor