TUA6034TCUMA1

The TUA6034, TUA6036 ’TAIFUN’ device combines a mixer-oscillator block with a digitally programmable phase locked loop (PLL) for use in TV and VCR tuners and in settop-box applications.
FeaturesGeneral
• Suitable for PAL, NTSC, DVB and ATSC
• Wideband AGC detector for internal tuner AGC − 5 programmable take-over points − 2 programmable time constants
• Low phase noise
• Full ESD protectionMixer/Oscillator
• High impedance mixer input (common emitter) for LOW band
• Low impedance mixer input (common base) for MID band
• Low impedance mixer input (common base) for HIGH band
• 2 pin oscillator for LOW band
• 2 pin oscillator for MID band
• 4 pin oscillator for HIGH bandIF-Amplifier
• Symmetrical IF preamplifier with low output impedance able to drive a compensated SAW filter (500Ω//40pF)PLL
• 4 independent I2C addresses
• I2C bus protocol compatible with 3.3 V and 5V micro-controllers up to 400 kHz
• High voltage VCO tuning output
• 4 PNP ports
• 1 NPN port/ADC input
• Internal LOW/MID/HIGH band switch
• Stand-by mode
• Lock-in flag
• 6 programmable reference divider ratios (24, 28, 32, 64, 80, 128)
• 4 programmable charge pump currentsApplication
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The IC is suitable for PAL, NTSC, DVB-C, DVB-T, ISDB-T and ATSC tuners.
The focus is on digital terrestrial.