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CXA3555N - All Band Tuner IC with On-chip PLL

Description

The CXA3555N is a monolithic TV tuner IC which integrates local oscillator and mixer circuits for VHF band, local oscillator and mixer circuits for UHF band, an IF amplifier and a tuning PLL onto a single chip, enabling further miniaturization of the tuner.

Features

  • Low power consumption (5V, 63mA typ. ).
  • Low noise figure, low distortion characteristics.
  • High gain/low gain selectable.
  • Supports IF double-tuned/adjacent channel trap.
  • Balanced oscillator circuits (3 sets) with excellent oscillation stability.
  • On-chip PLL supports I2C bus.
  • On-chip high voltage drive transistor for charge pump.
  • Frequency step selectable from 31.25, 50 or 62.5kHz (when using a 4MHz crystal).
  • Low-phas.

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CXA3555N All Band Tuner IC with On-chip PLL Description The CXA3555N is a monolithic TV tuner IC which integrates local oscillator and mixer circuits for VHF band, local oscillator and mixer circuits for UHF band, an IF amplifier and a tuning PLL onto a single chip, enabling further miniaturization of the tuner. Features • Low power consumption (5V, 63mA typ.) • Low noise figure, low distortion characteristics • High gain/low gain selectable • Supports IF double-tuned/adjacent channel trap • Balanced oscillator circuits (3 sets) with excellent oscillation stability • On-chip PLL supports I2C bus • On-chip high voltage drive transistor for charge pump • Frequency step selectable from 31.25, 50 or 62.
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