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.

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

• Package
- QFN-32 (5x5mm)