FM Demodulator for BS/CS
CXA3218N
FM Demodulator for BS/CS
Description The CXA3218N is the video signal demodulation IC for satellite broadcastin...
Description
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
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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...
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