PCM1794 不建議用於新設計
此產品將繼續向現有客戶提供。新設計應考量替代產品。
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PCM1794A 現行 132dB SNR 最高性能立體聲 DAC (硬體控制) Replacement for NRND part

產品詳細資料

Number of DAC channels 2 Analog inputs 0 Analog outputs 2 DAC SNR (typ) (dB) 132 Sampling rate (max) (kHz) 192 Control interface H/W Resolution (Bits) 24 Architecture Advanced Segment Operating temperature range (°C) -25 to 85 Rating Catalog
Number of DAC channels 2 Analog inputs 0 Analog outputs 2 DAC SNR (typ) (dB) 132 Sampling rate (max) (kHz) 192 Control interface H/W Resolution (Bits) 24 Architecture Advanced Segment Operating temperature range (°C) -25 to 85 Rating Catalog
SSOP (DB) 28 79.56 mm² 10.2 x 7.8
  • 24-Bit Resolution
  • Analog Performance:
    • Dynamic Range:
      132 dB (9 V RMS, Mono)
      129 dB (4.5 V RMS, Stereo)
      127 dB (2 V RMS, Stereo)
    • THD+N: 0.0004%
  • Differential Current Output: 7.8 mA p-p
  • 8× Oversampling Digital Filter:
    • Stop-Band Attenuation: –130 dB
    • Pass-Band Ripple: ±0.00001 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
  • Optional Interface Available to 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
  • APPLICATIONS
    • A/V Receivers
    • DVD Players
    • Musical Instruments
    • HDTV Receivers
    • Car Audio Systems
    • Digital Multitrack Recorders
    • Other Applications Requiring 24-Bit Audio

  • 24-Bit Resolution
  • Analog Performance:
    • Dynamic Range:
      132 dB (9 V RMS, Mono)
      129 dB (4.5 V RMS, Stereo)
      127 dB (2 V RMS, Stereo)
    • THD+N: 0.0004%
  • Differential Current Output: 7.8 mA p-p
  • 8× Oversampling Digital Filter:
    • Stop-Band Attenuation: –130 dB
    • Pass-Band Ripple: ±0.00001 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
  • Optional Interface Available to 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
  • APPLICATIONS
    • A/V Receivers
    • DVD Players
    • Musical Instruments
    • HDTV Receivers
    • Car Audio Systems
    • Digital Multitrack Recorders
    • Other Applications Requiring 24-Bit Audio

The PCM1794 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 PCM1794 provides balanced current outputs, allowing the user to optimize analog performance externally. Sampling rates up to 200 kHz are supported.

The PCM1794 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 PCM1794 provides balanced current outputs, allowing the user to optimize analog performance externally. Sampling rates up to 200 kHz are supported.

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類型 標題 日期
* Data sheet 24-Bit, 192- kHz Sampling, Advanced Segment, Audio Stereo DAC datasheet (Rev. C) 2006年 11月 30日

訂購與品質

內含資訊:
  • RoHS
  • REACH
  • 產品標記
  • 鉛塗層/球物料
  • MSL 等級/回焊峰值
  • MTBF/FIT 估算值
  • 材料內容
  • 認證摘要
  • 進行中持續性的可靠性監測
內含資訊:
  • 晶圓廠位置
  • 組裝地點