SRC4382 2 通道采样率转换器，具有数字音频接口接收器和发送器

• Two-Channel Asynchronous Sample Rate Converter (SRC)
  • Dynamic Range with -60dB Input (A-Weighted): 128dB typical
  • Total Harmonic Distortion and Noise (THD+N) with Full-Scale Input: -125dB typical
  • Supports Audio Input and Output Data Word Lengths Up to 24 Bits
  • Supports Input and Output Sampling Frequencies Up to 216kHz
  • Automatic Detection of the Input-to-Output Sampling Ratio
  • Wide Input-to-Output Conversion Range: 16:1 to 1:16 Continuous
  • Excellent Jitter Attenuation Characteristics
  • Digital De-Emphasis Filtering for 32kHz, 44.1kHz, and 48kHz Input Sampling Rates
  • Digital Output Attenuation and Mute Functions
  • Output Word Length Reduction
  • Status Registers and Interrupt Generation for Sampling Ratio and Ready Flags
• Digital Audio Interface Transmitter (DIT)
  • Supports Sampling Rates Up to 216kHz
  • Includes Differential Line Driver and CMOS Buffered Outputs
  • Block-Sized Data Buffers for Both Channel Status and User Data
  • Status Registers and Interrupt Generation for Flag and Error Conditions
• User-Selectable Serial Host Interface: SPI or Philips I²C™
  • Provides Access to On-Chip Registers and Data Buffers
• Digital Audio Interface Receiver (DIR)
  • PLL Lock Range Includes Sampling Rates from 20kHz to 216kHz
  • Includes Four Differential Input Line Receivers and an Input Multiplexer
  • Bypass Multiplexer Routes Line Receiver Outputs to Line Driver and Buffer Outputs
  • Block-Sized Data Buffers for Both Channel Status and User Data
  • Automatic Detection of Non-PCM Audio Streams (DTS CD/LD and IEC 61937 formats)
  • Audio CD Q-Channel Sub-Code Decoding and Data Buffer
  • Status Registers and Interrupt Generation for Flag and Error Conditions
  • Low Jitter Recovered Clock Output
• Two Audio Serial Ports (Ports A and B)
  • Synchronous Serial Interface to External Signal Processors, Data Converters, and Logic
  • Slave or Master Mode Operation with Sampling Rates up to 216kHz
  • Supports Left-Justified, Right-Justified, and Philips I²S™ Data Formats
  • Supports Audio Data Word Lengths Up to 24 Bits
• Four General-Purpose Digital Outputs
  • Multifunction Programmable Via Control Registers
• Extensive Power-Down Support
  • Functional Blocks May Be Disabled Individually When Not In Use
• Operates From +1.8V Core and +3.3V I/O Power Supplies
• Small TQFP-48 Package, Compatible with the SRC4392 and DIX4192
• APPLICATIONS
  • DIGITAL AUDIO RECORDERS AND MIXING DESKS
  • DIGITAL AUDIO INTERFACES FOR COMPUTERS
  • DIGITAL AUDIO ROUTERS AND DISTRIBUTION SYSTEMS
  • BROADCAST STUDIO EQUIPMENT
  • DVD/CD RECORDERS
  • SURROUND SOUND DECODERS AND A/V RECEIVERS
  • CAR AUDIO SYSTEMS

U.S. Patent No. 7,262,716

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I2C, I2S are trademarks of Koninklijke Philips Electronics N.V.
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