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Home » NEWEST Products » New by Category » Semiconductors » Audio ICs » TAS5548/58 8-Channel HD Audio Processors - TI
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Texas Instruments TAS5548/58 8-Channel HD Audio Processors
Texas Instruments TAS5548/58 8-Channel HD Audio Processors

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TI TAS5548/58 8-Channel HD Audio Processors

Texas Instruments TAS5548 and TAS5558 HD-compatible audio processors are 8-channel digital pulse width modulators (PWMs) with digital audio processing and sample rate converters that provide both advanced performance and a high level of system integration. TI TAS5548 and TAS5558 are designed to interface seamlessly with most digital audio decoders. The devices support DTS-HD specification for Blu-ray HTiB applications. The sample rate converters consist of two separate modules that handle 4 channels each. TAS5548 and TAS5558 can support two different input sampling rates. These TI devices can drive 8 channels of H-bridge power stages. They also provide a high-performance, differential output to drive an external, differential-input, analog headphone amplifier.

TAS5548/58 Shared 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
  • Audio Input/Output
    • Up to Five Synchronous Serial Audio Inputs (10 Channels)
    • Up to One Synchronous Serial Audio Outputs (2 Channels)
    • I2S Master Mode When Used With External Crystal
    • 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
  • Audio Processing
    • Volume Control Range 18dB to –127dB (Master and Eight Channel Volume)
    • Bass and Treble Tone Controls With ±18dB Range, Selectable Corner Frequencies
    • Configurable Loudness Compensation
  • PWM Processing
    • >105dB Dynamic Range
    • THD+N < 0.1% (0–40 kHz)
    • 20Hz–40kHz, Flat Noise Floor for 32KHz-192KHz

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