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PCM1681 - 产品图解：
PCM1681-具有 TDM 模式的 105dB SNR 8 通道音频 DAC
PCM1681-音频DAC-音频转换器-音频
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TI产品 - PCM1681介绍

PCM1681 - 具有 TDM 模式的 105dB SNR 8 通道音频 DAC

PCM1681是TI德州仪器公司的一款音频DAC产品，PCM1681是具有 TDM 模式的 105dB SNR 8 通道音频 DAC，本站介绍了PCM1681的封装应用图解、特点和优点、功能等，并给出了与PCM1681相关的TI元器件型号供参考。

PCM1681 - 具有 TDM 模式的 105dB SNR 8 通道音频 DAC - 音频DAC - 音频转换器 - 德州仪器

产品特性
  • Qualified for Automotive Applications: PCM1681-Q1
  • 24-Bit Resolution
  • Analog Performance:
    • Dynamic Range: 105 dB Typical
    • SNR: 105 dB Typical
    • THD+N: 0.002% Typical
    • Full-Scale Output: 3.75 VPP Typical
  • 4×/8× Oversampling Interpolation Filter:
    • Stop-Band Attenuation: –57 dB
    • Pass-Band Ripple: ±0.015 dB
  • Sampling Frequency: 5 kHz to 200 kHz
  • System Clock: 128 fS, 192 fS, 256 fS, 384 fS, 512 fS, 768 fS, or 1152 fS with Autodetect
  • Zero Flags for Selectable Channel Combinations
  • Flexible Mode Control:
    • SPI™/I2C™ Dual Mode for Serial Port
    • Parallel Hardware Control with 4 Functions
  • User-Programmable Functions (in SPI/I2C):
    • Flexible Audio Data Formats:
      • Right-Justified, I2S™, Left-Justified, TDM, DSP
      • 16- and 24-Bit Audio Data
    • Digital Attenuation: Mode Selectable
      • 0 dB to –63 dB, 0.5 dB/step
      • 0 dB to –100 dB, 1 dB/step
    • Soft Mute
    • Digital De-Emphasis
    • Digital Filter Roll-Off: Sharp or Slow
    • Oversampling Mode
  • User-Programmable Functions (in H/W):
    • Flexible Audio Data Formats:
      • Right-Justified, I2S, Left-Justified, TDM
      • Soft Mute
      • Digital De-Emphasis
      • Oversampling Mode
  • Power Supply Voltage: 5-V Analog, 3.3-V Digital
  • Package: 28-Lead HTSSOP PowerPAD™
  • Operation Temperature Range:
    • –40°C to 85°C for Consumer Grade
    • –40°C to 105°C for Automotive Audio Grade
2 Applications
  • Car Audio External Amplifiers
  • Car Audio AVN Applications
  • Integrated A/V Receivers
  • DVD Movie and Audio Players
  • HDTV Receivers
  • DVD Add-On Cards for High-End PCs
  • Digital Audio Workstations
  • Other Multichannel Audio Systems
产品说明

The PCM1681 and PCM1681-Q1 are CMOS monolithic integrated circuits which feature an eight-channel 24-bit audio digital-to-analog converter (DAC) and support circuitry in small 28-lead TSSOP PowerPAD packages. The DACs utilize Burr-Brown's enhanced multilevel delta-sigma (ΔΣ) architecture to achieve excellent signal-to-noise performance and a high tolerance to clock jitter.

产品器件信息
PART NUMBERPACKAGEBODY SIZE (NOM)
PCM1681HTSSOP (28)9.70 mm × 4.40 mm
PCM1681-Q1
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