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TI(德州仪器) DSD1793
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  • TI(德州仪器) DSD1793
  • TI(德州仪器) DSD1793
  • TI(德州仪器) DSD1793
  • TI(德州仪器) DSD1793
  • TI(德州仪器) DSD1793
  • TI(德州仪器) DSD1793
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DSD1793

DSD1793

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113dB SNR 立体声音频 DAC(软件控制)

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  • 封装 | 引脚 | 尺寸

The DSD1793 is a monolithic CMOS integrated circuit that includes stereo digital-to-analog converters and support circuitry in a small 28-lead SSOP package. The data converters use TI’s advanced-segment DAC architecture to achieve excellent dynamic performance and improved tolerance to clock jitter. The DSD1793 provides balanced voltage outputs, allowing the user to optimize analog performance externally. The DSD1793 accepts the PCM and DSD audio data formats, providing easy interfacing to audio DSP and decoder chips. The DSD1793 also interfaces with external digital filter devices (DF1704, DF1706, PMD200). Sampling rates up to 200 kHz are supported. A full set of user-programmable functions is accessible through an I2C-compatible serial port.

  • Supports Both DSD and PCM Formats
  • 24-Bit Resolution
  • Analog Performance:
    • Dynamic Range: 113 dB
    • THD+N: 0.001%
    • Full-Scale Output: 2.1 V rms (at Postamplifier)
  • Differential Voltage Output: 3.2 V p-p
  • 8× Oversampling Digital Filter:
    • Stop-Band Attenuation: –82 dB
    • Pass-Band Ripple: ±0.002 dB
  • Sampling Frequency: 10 kHz to 200 kHz
  • System Clock: 128, 192, 256, 384, 512, or 768 fS With Autodetect
  • Accepts 16-, 20-, and 24-Bit Audio Data
  • PCM Data Formats: Standard, I2S, and Left-Justified
  • DSD Format Interface Available
  • Optional Interface to External Digital Filter or DSP Available
  • I2C-Compatible Serial Port
  • User-Programmable Mode Controls:
    • Digital Attenuation: 0 dB to –120 dB, 0.5 dB/Step
    • Digital De-Emphasis
    • Digital Filter Rolloff: Sharp or Slow
    • Soft Mute
    • Zero Detect Mute in PCM Format
    • Zero Flags for Each Output in PCM and DSD Formats
  • Dual Supply Operation:
    • 5-V Analog, 3.3-V Digital
  • 5-V Tolerant Digital Inputs
  • Small 28-Lead SSOP Package
  • APPLICATIONS
    • A/V Receivers
    • SACD Players
    • DVD Players
    • HDTV Receivers
    • Car Audio Systems
    • Digital Multitrack Recorders
    • Other Applications Requiring 24-Bit Audio

Number of DAC channels2
Analog inputs0
Analog outputs2
DAC SNR (typ) (dB)113
Sampling rate (max) (kHz)192
Control interfaceI2C
Resolution (Bits)24
ArchitectureAdvanced Segment
Operating temperature range (°C)-25 to 85
RatingCatalog
SSOP (DB)2879.56 mm² 10.2 x 7.8
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