• 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

• A/V Receivers
• DVD Players
• Musical Instruments
• HDTV Receivers
• Car Audio Systems
• Digital Multitrack Recorders
• Other Applications Requiring 24-Bit Audio

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.

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