CXA1704R

CXA1704R 2-channel REC/PB Amplifier for 8mm VCR Description The CXA1704R is a bipolar IC designed as a recording/playback amplifier for Hi8-compatible VCRs. Features O Recording system Feedback damping provided in the recording amplifier and its EVR control function facilitate circuit board design. Y, chroma, and low-band level adjustment functions Ramp circuit O Playback system Feedback damping provided in the playback amplifier facilitates circuit board design. Middle-frequency tuner on chip; EVR permits independent adjustment of f0, Q and boost RF AGC and dropout detection circuit Structure Bipolar silicon monolithic IC 48 pin LQFP (Plastic) Absolute Maximum Ratings (Ta=25°C) Supply voltage VCC 7 V Operating temperature Topr –10 to +75 °C Storage temperature Tstg –65 to +150 °C Allowable power dissipation PD 1100 mW (when board is mounted) Operating Conditions Supply voltage +0.5 V VCC 4.75 –0.25 Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits. —1— E93860A66-TE CXA1704R Block Diagram and Pin Configuration PCMOUT RFSWP MTOUT RP_PB MTG2 24 VCC1 23 22 21 20 19 18 17 16 15 14 MTG1 13 DOP MTGSW 25 REC1CON...