KA22292

PB/REC EQ ST PRE AMP KA22292/Q INTRODUCTION The KA22292 is a monolithic integrated circuit consisting of a playback and record processing stereo amplifier, which is suitable for an audio system. 48-QFP-1010D/1010E FEATURES 2CH Double input playback amplifier 2CH Recording Amplifier Bulit-in Recording Equalizer Tape selector ALC circuit Mute circuit Operating voltage (VCC = 6 V ~ 12 V) ORDERING INFORMATION Device Package Operating Temperature Pitch KA22292 48-QFP-1010D -20°C ~ +70°C 0.8mm KA22292Q 48-QFP-1010E -20°C ~ +70°C 0.75mm BLOCK DIAGRAM REC IN LOW CAP GL GM REC OUT AGND 2 FEC OUT F/Q FQ GP LOW CAP REC IN 48 47 46 45 44 43 42 41 40 39 38 37 LINE OUT 1 REC NF 2 LINE IN 3 EQ & REC AMP I − + 1.1V EQ & REC AMP 36 LINE OUT 35 REC NF 34 LINE IN ALC NF1 4 REC R/R 5 V/2 PR 6 VOLTAGE REGULATOR EQ CONTROL ALC DETECTOR ALC DRIVER 33 ALC NF2 32 DUB SW 31 IREF ALC R/R 7 30 Cro2A SW MUTE IN 8 Vcc 9 CONTROL LOGIC 29 Cro2B SW 28 R/P SW HEAD SW 10 MIXER OUT 11 27 A/B SW 10K 6K 26 FIL CAP FILCAP 12 + Cro2 − 300K + − 300K Cro2 25 PB OUT2 13 14 15 16 17 18 19 20 21 22 23 24 PBOUT2 CROUT PBOUT NF PLAY BIN AIN AGND1 AIN BIN NF PLAY PB OUT CR OUT Figure 1. KA22292/Q PB/REC EQ ST PRE AMP PIN DESCRIPTION Pin No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 Symbol LINE OUT(R) NF REC LINE IN(R) ALC NF1 REC R/R VCC/2 R/R ALC R/R MUTE IN VCC HEAD SW MIXER OUT FILCAP(R) PB OUT-2(R) CROUT(R) PB OUT-1(R) N...