GENERAL DESCRIPTION
●The TEA5767HL is a single-chip electronically tuned FM stereo radio for low-voltage applications with fully integrated IF selectivity and demodulation. The radio is completely adjustment-free and only requires a minimum of small and low cost external components. The radio can be tuned to the European, US and Japanese FM bands.
●FEATURES
●• High sensitivity due to integrated low-noise RF input amplifier
●• FM mixer for conversion to IF of the US/Europe
● (87.5 MHz to 108 MHz) and Japanese
● (76 MHz to 91 MHz) FM band
●• Preset tuning to receive Japanese TV audio up to 108 MHz
●• RF Automatic Gain Control (AGC) circuit
●• LC tuner oscillator operating with low cost fixed chip inductors
●• FM IF selectivity performed internally
●• No external discriminator needed due to fully integrated FM demodulator
●• Crystal reference frequency oscillator; the oscillator operates with a 32.768 kHz clock crystal or with a 13 MHz crystal and with an externally applied 6.5 MHz reference frequency
●• PLL synthesizer tuning system
●• 3-wire bus
●• 7-bit IF counter output via the 3-wire bus
●• 4-bit level information output via the 3-wire bus
●• Soft mute
●• Signal dependent mono to stereo blend [Stereo Noise Cancelling (SNC)]
●• Signal dependent High Cut Control (HCC)
●• Soft mute, SNC and HCC can be switched off via the 3-wire bus
●• Adjustment-free stereo decoder
●• Autonomous search tuning function
●• Standby mode
●• Two software programmable ports
●• Bus enable line to switch the bus input and output lines into 3-state mode.
