The NAU88L24 is an ultra-low power high performance audio codec designed for smartphone, tablet PC, and other portable devices that supports both analog and digital audio functions. It includes one I2S/PCM interface, one digital mixer, two high quality DACs, two high quality ADCs, two mono differential or one stereo differential analog microphone inputs, four analog single-ended microphone inputs, four digital PDM microphone inputs, one single ended stereo auxilary or one differenital mono inputs, one differential headset mic input, one stereo 2.9W class D loudspeaker amplifier driver for 4Ω loads and 5V supply, and one stereo class G headphone amplifier with advanced headset detection.

Featuers:

• DAC: Headphone Playback SNR = 103dB (48KHz, 0dB Gain, RL= 32Ω, A-weighted)
• ADC: Microphone Recording SNR = 100dB (48KHz, 0dB Gain, A-weighted)
• 1 Digital I2S/PCM/TDM
• Dynamic Range Compressor (DRC)
• 5 Band Parametric Equalizer
• 1 Headset Microphone, 4 Analog or 4 Digital PDM MIC input supports
• Stereo 970mW Class D Loudspeaker @ 4.2V, 8?, 1% THD+N (or 2.9W @ 5.0V, 4Ω, 10% THD+N)
• Class G Headphone Amplifier(27mW @ 32Ω, 1% THD+N)
• Sampling rate from 8K to 96 KHz
• Jack Insertion and Ejection Detection
• MIC Presence Detection
• Up to 8 Distinct Button Detection with Long / Short Button Press Supports
• Speaker Impedance Detection
• Headphone Crosstalk Detection / Suppressio