SigmaDSP Stereo, Low Power, 96 kHz, 24-Bit Audio Codec with Integrated PLL Features: SigmaDSP 28-/56-bit 50 MIPS digital audio processor Fully programmable with SigmaStudio graphical tool 24-bit stereo audio ADC and DAC: >98 dB SNR Sampling rates from 8 kHz to 96 kHz Low power: 7 mW record, 7 mW playback, 48 kHz at 1.8 V 6 analog input pins, configurable for single-ended or differential inputs Flexible analog input/output mixers Stereo digital microphone input PLL supporting input clocks from 8 MHz to 27 MHz Analog outputs: 2 differential stereo, 2 single-ended stereo, 1 mono headphone output driver Analog automatic level control (ALC) Microphone bias reference voltage Analog and digital I/O: 1.8 V to 3.65 V I2C and SPI control interfaces Digital audio serial data I/O: stereo and time-division multiplexing (TDM) modes Software-controllable clickless mute Software power-down GPIO pins for digital controls and outputs 32-lead, 5 mm × 5 mm LFCSP −40°C to +85°C operating temperature range