HA12231FP
Audio Signal Processor for Car Deck (PB 1 Chip)
ADE-207-327A (Z)
2nd Edition
Jan. 2001
Description
HA12231FP is silicon monolithic bipolar IC providing PB equalizer system and music sensor system in
one chip.
Functions
• PB equalizer × 2 channel
• Music sensor × 1 channel
• Line amp. × 2 channel
• Line mute × 2 channel
Features
• No use external parts for PB equalizer. (Fixed characteristics built-in)
• Available to change music sensing level by external resistor.
• Available to change frequency response of music sensor by external capacitor.
• Different type of PB equalizer characteristics selection (120 µs/70 µs) is available.
• Line mute ON/OFF is avalable.
• This IC is strong for a cellular phone noise.
Ordering Information
Product
HA12231FP
Package
FP-20DA
PBOUT-Level
450 mVrms
Functions
PB-EQ
❍
Music Sensor
❍
Mute
❍