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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STA323W датащи(PDF) 6 Page - STMicroelectronics |
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STA323W датащи(HTML) 6 Page - STMicroelectronics |
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6 / 71 page  Description STA323W 6/71 1 Description The STA323W is a single-chip audio system comprising digital audio processing, digital amplifier control and a DDX-power output stage. The STA323W uses all-digital amplification to provide high-power, high-quality and high-efficiency. The STA323W power section consists of four independent half-bridges. These can be configured, by digital control, to operate in the following modes. ● Two channels, provided by two half-bridges, and a single full-bridge giving up to 2 x 10 W + 1 x 20 W of power output. ● Two channels, provided by two full-bridges, giving up to 2 x 20 W of power. ● A single, parallel, full-bridge channel capable of high-current operation and giving 1 x 40W output. The STA323W also provides a full set of digital processing features. These includes up to four programmable 28-bit biquads (EQ) per channel, and bass and treble tone control. Automodes™ enable a time-to-market advantage by substantially reducing the amount of software development needed for specific functions. These includes auto volume loudness, preset volume curves and preset EQ settings. New advanced AM radio interference reduction modes are also provided. The serial audio data input interface accepts all existing formats, including the I2S. Three channels of DDX® processing are provided. This high quality conversion from PCM audio to DDX's patented tri-state PWM switching waveform provides over 100 dB SNR and dynamic range. 1.1 Block diagram and configurations Figure 1. Block diagram Quad half-bridge power stage DDX processing crossover, volume, limiter processing Audio EQ, mix, input, channel mapping and resampling Serial data OUT1A Power down OUT1B OUT2A OUT2B EAPD FAULT TWARN Power down System timing CLK I2C System control SCL SDA LRCKI BICKI SDI_12 |
Аналогичный номер детали - STA323W_06 |
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Аналогичное описание - STA323W_06 |
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