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TEA5767HN
General description
The TEA5767HN is a single-chip electronically tuned FM stereo radio for low-voltage applications with fully integrated Intermediate Frequency (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
- Phase-locked loop (PLL) synthesizer tuning system
- I2C-bus and 3-wire bus, selectable via pin BUSMODE
- 7-bit IF counter output via the bus
- 4-bit level information output via the 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 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
Design support
Support Documents
75011064;
Cool, clear and connected Semiconductor system solutions for compressed digital audio (2003-03-07)
75013717;
New generation FM radio for mobile phones (2005-09-01)
75014577;
Nexperia(tm) System Solution 6120 (2005-09-01)
75013538;
Portability without compromise Semiconductor solutions for next-generation personal media devices (2004-09-07)
philips_rf_manual_3rd_ed_appendix;
product & design manual for RF small signal discretes (2002-09-01)
75011481;
single-chip AM/FM stereo radio (2003-05-01)
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