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NAU8822LYG
NAU8822LYG is a low power, high quality CODEC for portable and general purpose audio applications. In addition to precision 24-bit stereo ADCs and DACs, this device integrates a broad range of additional functions to simplify implementation of complete audio system solutions.
The NAU8822LYG includes drivers for speaker, headphone, and differential or stereo line outputs, and integrates preamps for stereo differential microphones, significantly reducing external component requirements. A fractional PLL is also available to accurately generate any audio sample rate for the CODEC using any commonly available system clock from 8MHz through 33MHz.
Target Applications:
| • | Wired/Wireless telephony | |
| • | Security System | |
| • | Mobile Telephone Hands-free Kit | |
| • | Residential & Consumer Intercom | |
Key Features:
| • | ADC Feature | |
| - | SNR (A-weighted): 89dB @ 0dB gain | |
| - | THD+N: -78dB @ 0dB gain | |
| • | DAC Feature | |
| - | Integrated Headset Driver 40mW (16Ω / 3.3V) | |
| - | Integrated BTL Speaker Driver 1 W (8Ω / 5V) | |
| - | SNR (A-weighted): 89dB @ 0dB gain | |
| - | THD+N: -84dB @ 20mW, RL=32ohm | |
| • | Audio Input | |
| - | Digital Audio Interface: I2S / PCM Input | |
| - | Integrated programmable Microphone Amplifier | |
| - | Low noise bias supply voltage for microphone | |
| - | Sample rates: 8~192KHz | |
| • | Advance/Control Feature | |
| - | 5-band Graphic Equalizer | |
| - | Programmable ALC | |
| - | ADC Notch Filter | |
| - | Programmable High Pass Filter | |
| - | I2C Control Interface | |
| • | Operating Characteristics | |
| - | Voltage range(VDDC/B): 1.65V ~ 3.6V | |
| - | Voltage range(VDDA): 2.5V ~ 3.6V | |
| - | Temperature range: -40°C ~ 85°C | |
| • | Package | |
| - | QFN-32 (5x5mm) | |