The ADAV400 Rev. A is an audio codec from Analog Devices that includes an embedded SigmaDSP processor, SigmaStudio™ graphical programming tool, fully programmable audio digital signal processing (DSP), various third-party audio algorithms, scalable digital audio delay line, I2C control interface, 400 ms @ 48 kHz pool (200 ms for stereo channel), 3.3 V (analog), 1.8 V (digital core), 3.3 V (digital interface), high performance integrated analog-to-digital converters (ADCs) and digital-to-analog converters (DACs), single 3.3 V operation on-chip regulator, 1 stereo analog input (ADC), 80-lead LQFP (14 mm × 14 mm), 4 stereo analog inputs with mux-to-stereo ADC, 0°C to 70°C temperature range, 4 stereo (8-channel) analog outputs (DACs), dedicated headphone amplifier, etc.