NAU88L21YG

NAU88L21YG is an ultra-low power high performance audio codec that supports both analog and digital audio functions. It includes one I²S/PCM interface, one digital microphone interface, one digital mixer, two high quality DAC and ADC, and one stereo class G headphone amplifier.

NAU88L21YG advanced on-chip signal processing engine includes dynamic range compressor (DRC), programmable biquad filter, as well as an integrated frequency locked loop (FLL) to support selections of input clocks.

Applications

• Gaming controller
• Wireless Headset
• Smart Remote Controller

Key Features

• ADC Feature
  • SNR (A-weighted): 103dB @ 0dB Mic gain
  • THD+N: -93dB @ 0dB Mic gain
  • Dynamic Range Compressor
• DAC Feature
  • Class G Headphone Amplifier (28mW @ 32Ω, 1% THD+N)
  • SNR (A-weighted): 105dB @ 0dB gain
  • THD+N: -88dB @ 20mW, RL=32ohm
• Audio Input
  • Digital Audio Interface: I²S / PCM Input
  • Microphone Input:
• 2 x Mono Differential Analog Mic Input
• 1 x Stereo Differential Analog Mic Input
• 2 x Single-end Mic Input
• 1 x Stereo Digital Mic Input
• Sample rates: 8~192kHz
• Advance/Control Feature
  • Headset Detection
  • Jack Insertion and Ejection Detection
  • Distinct Keys Detection
  • I²C Control Interface
• Operating Characteristics
  • Voltage range(VDDC): 1.61V to 1.98V, SR>48KHz /FLL Enable
  • Voltage range(VDDC): 1.1 V to 1.98 V, SR<48KHz /FLL Disable
  • Temperature range: -40°C to 85°C
• Package
  • QFN-32 (5x5mm)

Technical Documents

• For more details, please visit Nuvoton Official Website: GO