HA12231FP
Audio Signal Processor for Car Deck (PB 1 Chip)
ADE-207-327A (Z) 2nd Edition Jan. 2001 Description
HA12231FP ...
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...