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TAS5548DCAR bảng dữ liệu(PDF) 1 Page - Texas Instruments |
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TAS5548DCAR bảng dữ liệu(HTML) 1 Page - Texas Instruments |
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1 / 116 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) 10ch 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 SDOUT/SDIN5 SDIN1 SDIN2 SCLK LRCLK SDIN2-1 SDIN2-2 SCLKO /SCLKIN_2 LRCLKO / LRCKIN_2 AVDD_PWM AVSS AVSS_PWM DVDD1 DVDD2 DVSS1 DVSS2 /PDN PWM_HPM_L&R PWM_HPP_L&R /BKND_ERR PWM_x_1 through 8 VALID /MUTE Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TAS5548 SLES270A – NOVEMBER 2012 – REVISED APRIL 2015 TAS5548 8-Channel HD Compatible Audio Processor with ASRC and PWM Output 1 Features – Adjustable Modulation Limit 1 • General Features 2 Applications – 8ch Asynchronous Sample Rate Converter Interface Seamlessly with Most Digital Audio – 8 Channel Audio Processing for 32-192 kHz Decoders (ARSC to 96kHz) – 4 Channel Native Audio Processing at 192kHZ 3 Description – 30 kHz Audio Bandwidth for DTS-HD The TAS5548 is an 8-channel Digital Pulse Width Compatibility Modulator (PWM) with Digital Audio Processing and Sample Rate Converter that provides both advanced – Energy Manager for Overall System Power performance and a high level of system integration. Control TAS5548 is designed to support DTS-HD – Power Supply Volume Control specification Blu-ray HTiB applications. The ASRC • Audio Input or Output consists of two separate modules which handle 4 channels each. Therefore, it is possible to support up – Up to Five Synchronous Serial Audio Inputs to two different input sampling rates. (10 Channels) Texas Instruments Power Stages are designed to – Up to One Synchronous Serial Audio Outputs work seamlessly with the TAS5548. The TAS5548 (2 Channels) also provides a high-performance, differential output – I2S Master Mode When Used With External to drive an external, differential-input, analog Crystal headphone amplifier. – Slave Mode 32-192KHz With Auto/Manual The TAS5548 supports AD, BD, and ternary Sample Rate Detection modulation operating at a 384-kHz switching rate for – Eight Differential PWM Output That can 48-, 96-, and 192-kHz data. The external crystal used Support AD or BD Modulation must be 12.288 MHz. The TAS5548 also features power-supply-volume-control (PSVC), which – Two Differential PWM Headphone Outputs improves dynamic range at lower power level and – I2S Out for External Wireless Sub can be used as part of a Class G power supply when – PWM Output Supports Single Ended (S.E.) or used with closed-loop PWM input power stages. Bridge Tied Load (BTL) Device Information(1) • Audio Processing PART NUMBER PACKAGE BODY SIZE (NOM) – Volume Control Range 18 dB to –127 dB TAS5548 HTSSOP (56) 14.00 mm x 6.10 mm (Master and Eight Channel Volume) (1) For all available packages, see the orderable addendum at – Bass and Treble Tone Controls With ±18-dB the end of the datasheet. Range, Selectable Corner Frequencies – Configurable Loudness Compensation Block Diagram – Two Dynamic Range Compressors With Two Thresholds, Two Offsets, and Three Slopes – Seven Biquads Per Channel • PWM Processing – >105-dB Dynamic Range – THD+N < 0.1% (0–40 kHz) – 20-Hz–40-kHz, Flat Noise Floor for 32KHz - 192KHz – Flexible Automute Logic With Programmable Threshold and Duration for Noise-Free Operation – Power-Supply Volume Control (PSVC) in High- Performance Applications 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
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