The new STA370BWS uses ST's FFXTM (Full Flexible Amplifier) ​​cutting-edge technology to deliver high-quality stereo audio output power of more than 10W for a wide range of consumer electronics, including the latest ultra-thin LED-backlit flat-panel TVs.
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Advanced chip manufacturing processes determine the performance and cost of today's digital audio chips, providing additional benefits such as reduced noise and distortion, support for more sophisticated audio processing techniques, and more features on-chip to reduce the number of system components. In addition, in every upgrade of technology, the new technology provides stronger functions in the unit chip area than the previous generation technology, making the product extremely cost-effective.
STA370BWS is the first audio chip to use STMicroelectronics' proprietary BCD8 manufacturing process. As the upgrade of the BCD6S process leading to the STMicroelectronics market, BCD8 is STMicroelectronics' eighth-generation bipolar/CMOS/DMOS manufacturing technology. STMicroelectronics uses this technology to create analog, logic and high-voltage functions on a single chip to improve device performance and reduce cost. In the development of the STA370BWS device, STMicroelectronics uses the BCD8 process to integrate more sophisticated audio signal processing functions in CMOS, enabling end users to have a better listening experience. The STA370BWS also performs circuit detection at power-on to improve the security of the application equipment, prevent the PC board from being burned, and reduce the cost of repair for the equipment manufacturer.
The STA370BWS's on-chip power amplifier uses ST's FFX technology to provide a more powerful audio signal at the amplified output, which is superior to conventional digital power amplifiers. In addition, the STA370BWS's auxiliary output stage uses ST's F3XTM third-generation FFX amplifier technology to improve sound quality by suppressing non-audio signals, such as carrier waveforms that determine amplifier timing, resulting in sharper output power. A purer audio signal.
STA370BWS is the first product of ST's next-generation SoundTerminal portfolio. The existing product portfolio includes STA333BW, STA335BW, STA339BW, STA339BWS, and STA369BWS. Test samples are currently being offered to major customers.
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