CXA3050M Datasheet, PDF (1/18 Pages) Sony Corporation – NICAM and SMATV RF MODULATOR/PLL

CXA3050M
NICAM and SMATV RF MODULATOR/PLL
Description
Fully synthesized I²C controlled UHF/VHF TV RF
Modulator compatible with PAL and NTSC video
formats.
24 pin SOP (Plastic)
Features
• Minimal adjustment of external components
• For use on VHF and UHF TV Frequencies
• Video RF carrier frequency programmable in 125kHz
steps
• Accepts NICAM 6.552MHz QPSK input signal
• Accepts FM Stereo input signal
• I²C control of:
a. Video RF Carrier Frequency
b. Sound Carrier Frequency
c. Modulation Depth (±2% Typ.)
d. FM Deviation (±8% Typ.)
e. P/S ratio (±1dB Typ.)
f. Nicam output enable to sleep
g. Video RF carrier enable to sleep
• On chip Regulator 3.1V
Block Diagram
Structure
Bipolar silicon monolithic IC
Applications
• PAL and NTSC System VCR
• Satellite Receiver
• Set Top Box
• SMATV
Recommended Operating Voltages (Ta = 25°C)
• Supply voltage
VCC 5.0 ± 0.5 V
• Supply for VCO Varactor
30 ± 0.5 V
• Operating Temperature
–10 to +80 °C
24 23 22 21 20 19 18 17 16 15 14 13
NICAM
AMP
MIXER
AMP
VIDEO
MIXER
AMP
VCO
PLL
W/C-CLAMP
REG
TPSG
FM-OSC PLL
OSC
PLL
I²C-Interface
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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.
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E96331A66-ST