HA12232 Datasheet | Hitachi Semiconductor

Description HA12232FP is audio signal pre-amp. LSI providing PB equalizer op-amp. in one chip. Function - PB equalizer - Vref buffer × 2 channel × 1 channel Features - Built-in referential voltage (VREF) for PB equalizer decreases external ponents. - This IC is low noise. - This IC is strong for a cellular phone noise. Operating Voltage Range Product HA12232FP Min 6.5 Max 15 Unit V Note: This IC is designed to operate on single supply. HA12232FP Pin Description , Equivalent Circuit (VCC = 9 V single supply, Ta = 25°C, No Signal, The value in the table shows typical value.) Pin No. 7 Pin Name RIP Note V = VCC/2 Equivalent Circuit Description Ripple filter VREF V = VCC/2 Reference output V 1 EQOUT(L) V = VCC/2 Equalizer output 5 2 EQOUT(R) PBIN(R)  PB equalizer input PBIN NFI 13 3 12 PBIN(L) NFI(R) NFI(L) V = VCC/2 Equalizer output for time constant Rev.1, Sep. 2000, page 2 of...