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CXA3252N - All Band TV Tuner IC with On-chip PLL

General Description

The CXA3252N 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.

Key Features

  • Superior cross modulation.
  • Supports both IF double-tuned filter and adjacent channel trap.
  • 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 high voltage drive transistor for charge pump.
  • Reference frequency selectable from 31.25, 50 or 62.5 kHz (when using a 4 MHz crystal).
  • Lo.

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www.DataSheet4U.com CXA3252N All Band TV Tuner IC with On-chip PLL Description The CXA3252N 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 • Superior cross modulation • Supports both IF double-tuned filter and adjacent channel trap. • 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 high voltage drive transistor for charge pump • Reference frequency selectable from 31.25, 50 or 62.