TAS5558DCAR by Texas Instruments | Processor Misc | Avnet ASIA
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TAS5558DCAR

Texas Instruments

8-Channel HD Compatible Audio Processor 56-Pin HTSSOP T/R

Manufacturer Part #: TAS5558DCAR

Alternate Part #: TAS5558DCAR


legend RoHS Compliant

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Information

The TAS5558 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. TAS5558 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.

Texas Instruments Power Stages are designed to work seamlessly with the TAS5558. The TAS5558 also provides a high-performance, differential output to drive an external, differential-input, analog headphone amplifier.

The TAS5558 supports AD, BD, and ternary modulation operating at a 384-kHz switching rate for 48-, 96-, and 192-kHz data. The external crystal used must be 12.288 MHz. The TAS5558 also features power-supply-volume-control (PSVC), which 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.

Key Features

  • General Features
    • 8ch Asynchronous Sample Rate Converter
    • 8 Channel Audio Processing for 32-192 kHz
      (ARSC to 96kHz)
    • 4 Channel Native Audio Processing at 192kHZ
    • 30 kHz Audio Bandwidth for DTS-HD
      Compatibility
    • Energy Manager for Overall System Power
      Control
    • Power Supply Volume Control
  • Audio Input or Output
    • Up to Five Synchronous Serial Audio Inputs
      (10 Channels)
    • Up to One Synchronous Serial Audio Outputs
      (2 Channels)
    • Trimmed Internal Oscillator for Clock Auto
      Detection and Limp Mode
    • Slave Mode 32-192KHz With Auto/Manual
      Sample Rate Detection
    • Eight Differential PWM Output That can
      Support AD or BD Modulation
    • Two Differential PWM Headphone Outputs
    • I2S Out for External Wireless Sub
    • PWM Output Supports Single Ended (S.E.) or
      Bridge Tied Load (BTL)
  • Audio Processing
    • Volume Control Range 18 dB to –127 dB
      (Master and Eight Channel Volume)
    • Bass and Treble Tone Controls With ±18-dB
      Range, Selectable Corner Frequencies
    • Configurable Loudness Compensation
    • Two Dynamic Range Compressors With Two
      Thresholds, Two Offsets, and Three Slopes
    • Seven Biquads Per Channel
    • Coefficient Banking and Auto Bank Switch
  • 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
    • Adjustable Modulation Limit
  • Technical Attributes

    Description
    Value
    Find similar Parts
    Lead Finish
    Gold Over Nickel Palladium
    Screening Level
    Industrial
    Product Dimensions
    14.1(Max) x 6.2(Max) x 1.05(Max)
    Mounting
    Surface Mount
    Max Processing Temp
    260
    Pin Count
    56
    Supplier Package
    HTSSOP
    Operating Temperature
    -40 to 85 °C
    MSL Level
    3

    ECCN / UNSPSC

    Description
    Value
    ECCN:
    EAR99
    SCHEDULE B:
    8542310000"
    HTSN:
    8542310000"
    UNSPSC:
    32101600
    UNSPSC VERSION:
    V15.1101
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