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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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STA559BWQS 데이터시트(PDF) 10 Page - STMicroelectronics |
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STA559BWQS 데이터시트(HTML) 10 Page - STMicroelectronics |
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10 / 66 page  Description and block diagram STA559BWQS 10/66 1 Description and block diagram 1.1 Description The STA559BWQS is an integration of digital audio processing, digital amplifier control, DDX® power-output stage and QSound QHD® technology to create a high-power single-chip DDX solution with high-quality, high-efficiency and all digital amplification. The STA559BWQS power section consists of four independent half-bridges. These can be configured via digital control to operate in different modes. 2.1 channels can be provided by two half-bridges and a single full-bridge, providing up to 2 x 0.7 W + 1 x 3 W of power output. 2 channels can be provided by two full-bridges, providing up to 2x3W of power. The IC can also be configured as a 2.1 channels with 2 x 3 W provided by the device and external power for DDX® power drive. Also provided in the STA559BWQS are a full assortment of digital processing features. This includes up to 4 programmable 28-bit biquads (EQ) per channel, and bass/treble tone control. AutoModes enable a time-to-market advantage by substantially reducing the amount of software development needed for certain functions, for instance, auto volume loudness, preset volume curves and preset EQ settings. New advanced AM radio interference reduction modes. The serial audio data input interface accepts all possible formats, including the popular I2S format. Three channels of DDX® processing are provided. This high quality conversion from PCM audio to DDX patented 3-state PWM switching waveform provides over 100 dB of SNR and dynamic range. 1.2 QSound QHD® Normally, reduced audio clarity is experienced due to the digital compression of music (and video-sound) combined with various audio processing techniques used in broadcast transmission. This is most apparent in products such as digital televisions and audio players. These devices are faced with a multitude of audio challenges, primarily associated with the small speakers, that are limited in location and cabinet housing, plus economized speaker drivers and components. As such digital televisions and audio players are ideal candidates to benefit from stereo soundfield enhancement in order to deliver a full surround-like experience. QSound QHD® and its industry recognized QXpander® technology is a field-proven stereo soundfield enhancement technology that provides a broader stereo image width with greater separation and depth for stereo signals and synthesizes a 3-D stereo soundfield. QHD® removes the small centralized audio sweet spot by creating a very wide stereo image with full immersive audio. QHD® and its QXpander® technology have been incorporated into hundreds of QSound and third party hardware and software products, with total shipments in the millions. |
유사한 부품 번호 - STA559BWQS |
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유사한 설명 - STA559BWQS |
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