
Cirrus Logic
General Description
The CS5346 integrates an analog multiplexer, program mable gain amplifier, and stereo audio analog-to-digital
converter. The CS5346 performs stereo analog-to-digital (A/D) conversion of 24-bit serial values at sample rates up to 192 kHz.
ADC Features
Multi-bit Delta Sigma Modulator
103 dB Dynamic Range
-95 dB THD+N
Stereo 6:1 Input Multiplexer
Programmable Gain Amplifier (PGA)
– ± 12 dB Gain, 0.5 dB Step Size
– Zero-crossing, Click-free Transitions
Stereo Microphone Inputs
– +32 dB Gain Stage
– Low-noise Bias Supply
Up to 192 kHz Sampling Rates
Selectable 24-bit, Left-justified or I²S Serial Audio Interface Formats
System Features
Power-down Mode
+5 V Analog Power Supply, Nominal
+3.3 V Digital Power Supply, Nominal
Direct Interface with 3.3 V to 5 V Logic Levels
Pin Compatible with CS5345*
*See Section 2. on page 7for more details.