HA12231

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 Music sensor Line amp. Line mute × 2 channel × 1 channel × 2 channel × 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 Functions Product HA12231FP Package FP-20DA PBOUT-Level 450 mVrms PB-EQ r Music Sensor r Mute r HA12231FP Pin Description, Equivalent Circuit (VCC = 9 V, A system of single supply voltage, Ta = 25°C, No Signal, The value in the table shows typical value.) Pin No. 16 Pin Name TAI(L) Note V = VCC/2 Equivalent Circuit Description Tape input V 100 k VCC/2 5 14 TAI(R) RIP V = VCC/2 VCC Ripple filter V GND 13 MS DET V = VCC Time constant pin for rectifier GND 15 PBOUT(L) V = VCC/2 VCC PB output V GND 6 1 PBOUT(R) VREF V = VCC/2 VCC Reference output V GND 17 4 EQOUT(L) EQOUT(R) V = VCC/2 Equalizer output (120 µ) Note: MS: Music Sensor 2 HA12231FP Pin Description, Equivalent Circuit (VCC = 9 V, A system of single su...