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TAS5558DCAR HTSSOP-56
TI
  • TAS5558DCAR
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TAS5558DCAR

8-Channel HD Compatible Audio Processor with SRC and PWM Output

Manufacturer :
Texas Instruments, Inc
Package/Case :
HTSSOP-56
Product Categories :
Audio Special Purpose
Datasheet:
TAS5558DCAR PDF
RoHs Status:
Green
Marking Code:
TAS5558
In-stock:
6265

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TAS5558DCAR Product Details

The TAS5558DCAR 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. TAS5558DCAR 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 TAS5558DCAR also provides a high-performance, differential output to drive an external, differential-input, analog headphone amplifier.

The TAS5558DCAR 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 TAS5558DCAR 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.

Feature

  • General
    • 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

TAS5558DCAR Block Diagram
(Picture: Diagram)

Technical Parameters

Product Lifecycle Status Active Case/Package HTSSOP-56
Packaging Reel RoHS Compliant
Mounting Style Surface Mount Lead Free Status Lead Free
Number of Pins 56 ECCN Code EAR99

TAS5558DCAR Documents

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