NAU88L21IG
NAU88L21IG 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.
NAU88L21IG 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:
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| - | 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 ~ 1.98V, SR>48KHz /FLL Enable | |
| - | Voltage range(VDDC): 1.1V ~ 1.98V, SR<48KHz /FLL Disable | |
| - | Temperature range: -40°C ~ 85°C | |
| • | Package | |
| - | QFN-32 (4x4mm) | |
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