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CXA3250N - All Band TV Tuner IC with On-chip PLL

Description

The CXA3250N 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 (5 V, 69 mA typ. ).
  • Superior cross modulation.
  • Balanced UHF oscillator (4 pins) with excellent oscillation stability.
  • Supports both I2C and 3-wire bus modes.
  • Automatic identification of 18, 19 or 27-bit control (during 3-wire bus mode).
  • On-chip A/D converter (during I2C bus mode).
  • On-chip high voltage drive transistor for charge pump.
  • Reference frequency selectable from 31.25, 50 or 62.5 kHz (when using.

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The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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CXA3250N All Band TV Tuner IC with On-chip PLL Description The CXA3250N 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 (5 V, 69 mA typ.) • Superior cross modulation • Balanced UHF oscillator (4 pins) with excellent oscillation stability • Supports both I2C and 3-wire bus modes • Automatic identification of 18, 19 or 27-bit control (during 3-wire bus mode) • On-chip A/D converter (during I2C bus mode) • On-chip high voltage drive transistor for charge pump • Reference frequency selectable from 31.25, 50 or 62.
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