Smart Home Audio

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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.

Target 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
  - QFN-32 (5x5mm)

For more details and documents, please link to Nuvoton Official Website GO

Volume discounts

QuantityDiscountYou Save
1008%Up to$11.04
Part No.NAU88L21YG
Sample Rate (KHz)8 to 192
Operating Voltage (V)1.71V to 3.6V, 2.5V to 3.6V
Development ToolsNAU88L21-DEMO
PackageQFN32 (5x5)
#of - ADC 2
#of - DAC 2
SNR (dB) - ADC98
SNR (dB) - DAC100
THD (dB) - ADC-91
THD (dB) - DAC-85
Audio FormatI2S(TDM) PCM(Timeslot)
SPKVDD/MICBIAS/Analog/digital/Digital I/O(V)NA / 2.5 to 3.6/ 1.6 to 2.0/ 1.61 to 1.98/ 1.6 to 3.6

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