TEA5767 Datasheet

single-chip FM stereo radio


The single-chip TEA5767 is a miniature, digitally tuned radio IC that utilizes an entirely new radio architecture concept that replaces passive components and complex circuitry, with on-board silicon, drastically reducing the overall bill of materials and making design-in easier. It requires zero external alignments, resulting in shorter design times and lower manufacturing costs due to simplified component placement and reduced logistics overhead. Also, being adjustment free, it delivers increased quality and reliability, both in manufacture and throughout its lifetime in your end application. As well as offering increased functionality in handheld devices, the radio IC is ideal for integration in a wide range of applications, where its minimal interaction with the rest of your application helps avoid reception / transmission interference. The TEA5767 also features very low power consumption and its small footprint makes it ideal for applications where board space is at a premium. Capable of tuning to European, US and Japanese FM bands, the TEA5767 does not need an external FM discriminator and handles IF selectivity entirely on-chip. TEA5767 Features • Only 18 external components (19 passive components replaced by silicon)• No alignments necessary• Fully integrated FM IF selectivity and demodulation• Signal dependent mono / stereo blend (stereo noise cancelling)• Adjustment free stereo decoder• Soft mute and signal dependent high cut control (HCC)• Autonomous Search Tune (AST) to decrease bus communication• Software switchable low / high injection local oscillator• Two software programmable ports• 32.768 kHz / 6.5 MHz / 13 MHz software switchable oscillator• Standby mode switched via bus• 2.5 V minimum supply voltage• Automotive temperature range (at 5 VCC) TEA5767 Applications • FM stereo receiver in MP3 players, portable audio devices and mobile phones• Miniature FM radio• Mini- and micro-sized audio systems• Home Hi-Fi


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