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TEA5767HN Datasheet

  • TEA5767HN

  • Low-power FM stereo radio

  • 171.19KB

  • Philips

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TEA5767HN
Low-power FM stereo radio for handheld applications
Rev. 04 鈥?20 February 2006
Product data sheet
1. General description
The TEA5767HN 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.
2. Features
I
High sensitivity due to integrated low-noise RF input ampli铿乪r
I
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
I
Preset tuning to receive Japanese TV audio up to 108 MHz
I
RF Automatic Gain Control (AGC) circuit
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LC tuner oscillator operating with low cost 铿亁ed chip inductors
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FM IF selectivity performed internally
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No external discriminator needed due to fully integrated FM demodulator
I
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
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PLL synthesizer tuning system
I
I
2
C-bus and 3-wire bus, selectable via pin BUSMODE
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7-bit IF counter output via the bus
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4-bit level information output via the bus
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Soft mute
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Signal dependent mono to stereo blend [Stereo Noise Cancelling (SNC)]
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Signal dependent High Cut Control (HCC)
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Soft mute, SNC and HCC can be switched off via the bus
I
Adjustment-free stereo decoder
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Autonomous search tuning function
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Standby mode
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Two software programmable ports
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Bus enable line to switch the bus input and output lines into 3-state mode

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