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.
CIRRUS ROCKS® CIRRUS® ENGINEERED TO ROCK® INNOVATION THAT ROCKS® POPGUARD®
Technology
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) | 3.3 or 5 |
| Digital Power Supply (V) | 3.3-5 |
| Logic Power Supply (V) | 1.5-5.0 |
| Operational Power Consumption (mW) | |
| Output Level (Vrms) | 1 |
| Package | 24 TSSOP |
