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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TAS5548 датащи(PDF) 3 Page - Texas Instruments |
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TAS5548 датащи(HTML) 3 Page - Texas Instruments |
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3 / 120 page  Serial Audio Receiver 2x Stereo Serial Audio Receiver 2x Stereo Serial Audio Transciever Stereo 4ch ASRC 4ch ASRC Fixed Flow Digital Audio Processor (DAP) 10 ch input 8ch Processor 8ch Output Mixer Clocks (Osc, PLL etc) 12. 288 8ch PWM Generator + Headphone (PWM) Bypass MCU I2C Control Power Supply Volume Control (PSVC) Energy Manager (EMO) Power TAS5548 www.ti.com SLES270 – NOVEMBER 2012 1.2 Overview Figure 1-1. Functional Block Diagram The TAS5548 is an 8 channel Digital Pulse Width Modulator (PWM) with Digital Audio Processing and Sample Rate Converter that provides both advanced performance and a high level of system integration. The TAS5548 is designed to interface seamlessly with most digital audio decoders. TAS5548 is designed to support DTS-HD specification Blu-ray HTiB applications. The ASRC consists of two separate modules which handle 4 channels each. Therefore it is possible to support up to two different input sampling rates The TAS5548 can drive eight channels of H-bridge power stages. Texas Instruments Power Stages are designed to work seamlessly with the TAS5548. The TAS5548 supports either the single-ended or bridge- tied-load configuration. The TAS5548 also provides a high-performance, differential output to drive an external, differential-input, analog headphone amplifier. The TAS5548 supports AD, BD, and ternary modulation operating at a 384-kHz switching rate for 48-, 96-, and 192-kHz data. The 8× oversampling combined with the fourth-order noise shaper provides a broad, flat noise floor and excellent dynamic range from 20 Hz to 32 kHz. The TAS5548 can be both an I2S Master or I2S Slave. The external crystal is used to drive the DAP processor, and can be used to drive the I2S Clocks, out of the device. The TAS5548 accepts master clock rates of 64, 128, 192, 256, 384, 512, and 768 fS. The TAS5548 accepts a 64-fS bit clock. External Crystal used must be 12.288MHz. TAS5548 also features power-supply-volume-control (PSVC) improves dynamic range at lower power level and can be used as part of a Class G Power Supply when used with closed loop PWM input power stages. Copyright © 2012, Texas Instruments Incorporated Description 3 Submit Documentation Feedback Product Folder Links: TAS5548 |
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