General Description
The CS4271 is a high-performance, integrated audio CODEC. The CS4271 performs stereo analog-to-digital (A/D) and digital-to-analog (D/A) conversion of up to 24-bit serial values at sample rates up to 192 kHz.

D/A Features
● High Performance
    – 114 dB Dynamic Range
    – -100 dB THD+N
● Up to 192 kHz Sampling Rates
● Differential Analog Architecture
● Volume Control with Soft Ramp
    – 1 dB Step Size
    – Zero Crossing Click-free Transitions
● Selectable Digital Filters
    – Fast and Slow Roll Off
● ATAPI Mixing Functions
● Selectable Serial Audio Interface Formats
    – Left Justified up to 24-bit
    – I2S up to 24-bit
    – Right Justified 16-, 18-, 20-, and 24-Bit
● Control Output for External Muting
● Selectable 50/15 µs De-emphasis

A/D Features
● High Performance
    – 108 dB Dynamic Range
    – -98 dB THD+N
● Up to 192 kHz Sampling Rates
● Single-Ended Analog Architecture
● Multi-bit Delta Sigma Conversion
● High-pass Filter or DC Offset Calibration
● Low-Latency Digital Anti-alias Filtering
● Automatic Dithering of 16-bit Data
● Selectable Serial Audio Interface Formats
    – Left Justified up to 24-bit
    – I2S up to 24-bit

System Features
● Direct Interface with 5V to 2.5V Logic Levels
● Internal Digital Loopback
● On-chip Oscillator
● Stand-Alone or Control Port Functionality
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