The PCM1609A is a CMOS, monolithic integrated circuit that features eight 24-bit audio digital-to-analog converters (DACs) and support circuitry in a small LQFP-48 package. The DACs use Texas Instruments' enhanced multilevel, delta-sigma architecture that employs fourth-order noise shaping and 8-level amplitude quantization to achieve excellent signal-to-noise performance and a high tolerance to clock jitter.

The PCM1609A accepts industry-standard audio data formats with 16- to 24-bit audio data. Sampling rates up to 200 kHz are supported. A full set of user-programmable functions is accessible through a 4-wire serial control port that supports register write and read functions.

• 24-Bit Resolution
• Analog Performance:
  • Dynamic Range: 105 dB, Typical
  • SNR: 105 dB, Typical
  • THD+N: 0.002%, Typical
  • Full-Scale Output: 3.1 Vp-p, Typical
• 4×/8× Oversampling Interpolation Filter:
  • Stop-Band Attenuation: -55 dB
  • Pass-Band Ripple: ±0.03 dB
• Sampling Frequency: 5 kHz to 200 kHz
• Accepts 16-, 18-, 20-, and 24-Bit Audio Data
• Data Formats: Standard, I2S, and Left-Justified
• System Clock: 128 fS, 192 fS, 256 fS, 384 fS, 512 fS, or 768 fS
• User-Programmable Functions:
  • Digital Attenuation: 0 dB to -63 dB, 0.5 dB/Step
  • Soft Mute
  • Zero Flags Can Be Used As General- Purpose Logic Output
  • Digital De-Emphasis
  • Digital Filter Rolloff: Sharp or Slow
• Dual-Supply Operation:
  • 5-V Analog
  • 3.3-V Digital
• 5-V Tolerant Digital Logic Inputs
• Package: LQFP-48
• APPLICATIONS
  • Integrated A/V Receivers
  • DVD Movie and Audio Players
  • HDTV Receivers
  • Car Audio Systems
  • DVD Add-On Cards for High-End PCs
  • Digital Audio Workstations
  • Other Multichannel Audio Systems

FilterPro is a trademark of Texas Instruments. All other trademarks are the property of their respective owners.

• Number of DAC channels (#)
• 8
• Analog inputs
• 0
• Analog outputs
• 8
• DAC SNR (Typ) (dB)
• 105
• Sampling rate (Max) (kHz)
• 192
• Control interface
• SPI
• Resolution (Bits)
• 24
• Architecture
• Multilevel Delta-Sigma

PCM1609A的完整型号有：PCM1609APT、PCM1609APTR，以下是这些产品的关键参数及官网采购报价：

PCM1609APT，工作温度：-25 to 85，封装：LQFP (PT)-48，包装数量MPQ：250个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网PCM1609APT的批量USD价格：4.957（1000+）

PCM1609APTR，工作温度：-25 to 85，封装：LQFP (PT)-48，包装数量MPQ：1000个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网PCM1609APTR的批量USD价格：4.751（1000+）

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