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ST ships 1.5 crore single-chip car radio tuner IC

Posted: 04 Jul 2007     Print Version  Bookmark and Share

Keywords:single-chip tuner IC  analogue AM/FM car radio  Broadcast audio 

STMicroelectronics has announced that it has shipped more than 1.5 crore units of its TDA7540 high-performance single-chip tuner IC used in analogue AM/FM car radio applications. ST's portfolio of silicon chips for analogue and digital car radios ensure the delivery of reception under both normal and difficult reception conditions as well as produce high-quality audio for Hi-Fi sound from all loudspeakers.

Launched almost two years ago, the TDA7540 AM/FM analogue tuner IC reached high-volume production in a short time, led by demand from leading automotive OEMs and success in the automotive aftermarket, largely due to the ICs performance/cost ratio.

Analogue AM/FM radios still comprise the majority of car radios on the market today, despite the rapid growth of digital broadcast radio, and the emergence of hybrid analogue/digital AM/FM broadcast technologies, such as DRM (Digital Radio Mondiale) and HD Radio. The analogue AM/FM market is still strong worldwide with robust growth predicted in countries such as China, and also in low-to-medium-end car radio applications in geographies with more developed automotive markets, such as the US and Europe.

"Broadcast audio listening will remain central to automotive entertainment systems, despite the growth in 'hot' digital music playback features including compressible format CD, MP3 connectivity and Bluetooth audio streaming," said Chris Webber, VP Automotive Practice at market analyst company, Strategy Analytics. "Over 55 per cent of in-car entertainment time is still spent listening to the radio. Head-unit designers need high-performance tuner solutions to meet consumers growing quality audio expectations. With total annual worldwide shipments for automotive audio tuners of around 10 crore units a year, this will continue to be a very strong market for semiconductor vendors."

Manufactured in ST's mixed-signal BiCMOS (Bipolar-CMOS) technology, the TDA7540 integrates several tuning functions that require minimum external components. ST's mixed-signal process technologies enable a range of high-performance and low-cost solutions, such as introductory-level AM/FM receivers and playback mechanisms, as well as robust and powerful integrated amplifiers for driving multiple speakers from a single IC.

The TDA7540 comprises a mixer, IF (Intermediate Frequency) amplifier, demodulator for AM and FM, a stereo decoder, quality detection, ISS (Intelligent Selectivity Systems) filter, and PLL (Phase-Locked-Loop) synthesiser with IF counter. Available in a TQFP80 packages, the TDA7540 is priced at Rs.122.60 ($3) in 10,000 piece quantities.




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