192 kHz Stereo, 1 Vrms D/A Converter with Volume Control

The CS4349 stereo audio DAC includes an integrated volume control and 1VRMS single-ended output drive capability at 3.3V. The CS4349 supports analog outputs and digital audio interface formats including both PCM and TDM. It supports 24-bit resolution and up to 192 kHz sampling rates with 101dB dynamic range performance. The system includes digital interpolation, 5th order multi-bit Delta Sigma modulation, digital de-emphasis, channel mixing, analog filtering and Cirrus Logic’s proprietary Popguard® (optional) and automatic sample-rate detection technologies.

Features

  • Automatic sample rate range detection
  • Popguard technology for control of clicks and pops
  • Supports all standard serial audio formats including time-division multiplexed (TDM)
  • SPI™ and I²C® modes
    • 127.5 dB attenuation
    • 1/2 dB step size
    • Zero crossing click-free transitions

Parametric Specifications

Channel(s) Out 2
Resolution (bits) 24
Dynamic Range (dB) 109
THD+N (dB) -91
Sample Rate (kHz) 192
Analog Power Supply (V) 1.5-3.5-5
Output Level (Vrms) 2
Package 24 TSSOP

Technical Documents

CS4349 Product Data Sheet

Apr 4, 2013, DS782F2 : 1702 Kb

Design Resources

CDB4349 Evaluation Board Data Sheet

Jun 24, 2008, DS782DB1 : 1266 Kb

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Comprehensive Solutions