View lag668 utc datasheet:

UTC LAG668 LINEAR INTEGRATED CIRCUIT RADIO AND CASSETTE RECORDER CIRCUIT DESCRIPTION The UTC LAG668 is a monolithic integrated circuit, designed for portable radio cassette. FEATURES *1-Chip IC for headphone stereo SOP-28 BLOCK DIAGRAM 27 26 25 24 23 22 21 19 20 18 14 17 16 15 13 Power Amp Pre Amp Attenuator Motor Control 1/2 Vcc Bias 1/2 Vcc V/I Control Power Amp Pre Amp Attenuator Power Amp 1 2 3 28 4 5 6 7 8 9 11 10 12 1 UTC UNISONIC TECHNOLOGIES CO., LTD. QW-R110-012,A UTC LAG668 LINEAR INTEGRATED CIRCUIT PIN CONFIGURATION VBPRE 1 28 GNDPRE 1IN+ 2 27 2IN+ 1IN- 3 26 2IN- INFPRF 4 25 2NFPRE IOUTPRE 5 24 2OUTPRE ATT1 6 23 ATT2 CONVOL 7 22 PREOFF VREF 8 21 VCCPRE 1OUTP 9 20 VCC GNDP 10 19 2OUTP VBP 11 18 MOOFF GNDMD 12 17 VCCMO VCON 13 16