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TI(德州仪器) PCM1798
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  • TI(德州仪器) PCM1798
  • TI(德州仪器) PCM1798
  • TI(德州仪器) PCM1798
  • TI(德州仪器) PCM1798
  • TI(德州仪器) PCM1798
  • TI(德州仪器) PCM1798
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PCM1798

PCM1798

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123dB SNR 立体声 DAC(硬件控制)

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  • 封装 | 引脚 | 尺寸

The PCM1798 device is a monolithic CMOS integrated circuit that includes stereo digital-to-analog converters (DACs) 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 PCM1798 device provides balanced current outputs, allowing the user to optimize analog performance externally. Sampling rates up to 200 kHz are supported.

  • 24-Bit Resolution
  • Analog Performance:
    • Dynamic Range: 123 dB
    • THD+N: 0.0005%
  • Differential Current Output: 4 mAp-p
  • 8× Oversampling Digital Filter:
    • Stop-Band Attenuation: –98 dB
    • Pass-Band Ripple: ±0.0002 dB
  • Sampling Frequency: 10 kHz to 200 kHz
  • System Clock: 128, 192, 256, 384, 512, or 768 fS
    With Autodetect
  • Accepts 16- and 24-Bit Audio Data
  • PCM Data Formats: Standard, I2S, and Left-
    Justified
  • Interface Available for Optional External Digital
    Filter or DSP
  • Digital De-Emphasis
  • Digital Filter Rolloff: Sharp or Slow
  • Soft Mute
  • Zero Flag
  • Dual-Supply Operation: 5-V Analog, 3.3-V Digital
  • 5-V Tolerant Digital Inputs
  • Small 28-Lead SSOP Package
  • Pin Assignment Compatible With PCM1794
Number of DAC channels2
Analog inputs0
Analog outputs2
DAC SNR (typ) (dB)123
Sampling rate (max) (kHz)192
Control interfaceH/W
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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