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Cirrus Logic introduces new CS4351 DAC with integrated line drivers

Cirrus Logic introduced a family of its new high-performance DACs — CS4351. The novelties are designed for modern DVD players, professional audio and car sound systems. The main difference is integrated amplifier and filter stages enabling to omit additional circuitry and directly drive the outputs of audio products. Due to this CS4351 saves about 20% on peripheral buffering costs without signal quality reduction.

CS4351 family key specs:

  • Advanced multi-bit Delta-Sigma modulator
  • 24-bit conversion
  • Up to 192 kHz sample rates
  • 108 dB dynamic range
  • -95 dB THD+N
  • Integrated line driver
    • 2 VRMS output into 5 kΩ AC load
  • Digital volume control with soft ramp
    • 119 dB attenuation
    • 1/2 dB step size
    • Zero crossing click-free transitions
  • Automatic sample rate detection
  • ATAPI mixing
  • Low clock-jitter sensitivity
  • Popguard technology for control of clicks and pops
  • +3.3 V, +9 V to +12 V power supply
  • Direct interface with 3.3 V to 1.8 V logic
  • Package: 20-pin TSSOP

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