CXA3218N

CXA3218N FM Demodulator for BS/CS Description The CXA3218N is the video signal demodulation IC for satellite broadcasting. This IC has most of the functions required for demodulation, and provides stable video detection in combination with the CXA3108Q (L-band down converter with PLL). Features Built-in IF AGC Excellent DG/DP characteristics Keyed AFT input pin to support MUSE reception 1st AGC control output pin Single 5 V power supply operation Applications PAL/NTSC system BS tuners, etc. Structure Bipolar silicon monolithic IC 30P pin SSOP (Plastic) Absolute Maximum Ratings (Ta=25 °C) Supply voltage VCC –0.3 to 7.0 V Storage temperature Tstg –55 to +150 °C Allowable power dissipation PD 1000 mW Operating Conditions Supply voltage Operating temperature VCC Topr 4.50 to 5.50 –35 to +85 V °C 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— E98X25-TE CXA3218N Block Diagram and Pin Configuration (Top View) AGCCNT OSCGND VCODR1 OPAOUT AGCLPF OPAINN OPAINP OSCB2 OSCE2 OSCE1 30 29 28 27 26 25 24 23 22 21 20 19 OSCB1 IFAGC LPFN LPFP 18 17 16 1AGC AGC DET MIX VCO 2AGC DCAMP OFF SET A...