PCM1681 - Texas Instruments

PCM1681 Eight-Channel Audio Digital-to-Analog Converter

The PCM1681 and PCM1681-Q1 are CMOS monolithic integrated circuits which feature an eightchannel 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.

Features

•1 Qualified for Automotive Applications: PCM1681Q1
• 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 Function.