Hitachi HA12231
HA12231FP is silicon monolithic bipolar IC providing PB equalizer system and music sensor system in one chip.| Part No. | HA12231 |
|---|---|
| Datasheet | HA12231 Download |
| Manufacturer |  Hitachi |
| Description | Audio Signal Processor |
| Buy | Stock & Price |
DESCRIPTION
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● PB equalizer Music sensor Line amp. Line mute × 2 channel × 1 channel × 2 channel × 2 channel
FEATURES
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● 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 CircuitDESCRIPTION
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 1...
