The NAU8220 is a high quality 2Vrms analog input and output line driver. This device includes an integrated charge pump enabling true ground referenced inputs and outputs and full 5.6Vpp output levels, while operating from only a single 3.3V positive supply voltage.

Additionally, the NAU8220 includes pop/click elimination features and high immunity to power supply and other system noise. This enables fast and efficient system integration while minimizing external component costs.

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• Operating voltage: 3.0-3.6V
• Full 2Vrms output using only 3.3Vdc supply
• True Ground Referenced analog outputs
• Low cost, small footprint package
• Automatic pop/click elimination and output muting for power-on
• 108dB SNR A-weighted performance
• >90dB THD+N
• 114dB Mute Attenuation
• < 1mV Output Offset
• 110dB channel separation at 1kHz
• Low external parts count
• High system noise immunity
• Packages: Pb free 14-pin SOP and TSSOP
• Operating temperature range: -40 to +85°C
• ±8 kV HBM protection on line outputs