NAU8810YG

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1. DESCRIPTION

The NAU8810YG a cost effective low power wideband Monophonic audio CODEC. It is suitable for a wide range of audio applications, including voice telephony. Supported functions include a 5-band Graphic Equalizer, Automatic Level Control (ALC) with noise gate, PGA, standard I2S or PCM audio interface, optional PCM time slot assignment, and a full fractional-N on-chip PLL. This device includes one differential microphone input, and multiple variable gain control stages in the audio paths. Both a Mono headset/line-level output and a high power differential BTL speaker driver output are provided. The analog input path includes a PGA enabling dynamic range optimization of a wide range of input sources with programmable gain from -12dB to +35.25dB. In addition to a digital high pass filter to remove DC offset voltages, the ADC also features programmable voice band digital filtering. Audio data is communicated via the audio interface that supports multiple I2S and PCM data formats. The DAC converter path includes filtering, and mixing, programmable-gain amplifiers, and soft muting. The 2-Wire digital control interface has an independent supply voltage to enable easy integration into multiple supply voltage systems. The NAU88U10 operates at supply voltages from 2.5V to 3.6V, and the digital core can operate at a voltage as low as 1.71V to conserve power. The NAU8810 is specified for operation from -40°C to +85°C, and is available with automotive AEC-Q100 qualification. 

2. FEATURES

    1. 24-bit signal processing linear Audio CODEC

        - Audio DAC: 93dB SNR and -84dB THD

        - Audio ADC: 91dB SNR and -79dB THD

        - Support variable sample rates from 8 - 48kHz

    2. Analog I/O

        - Integrated programmable Microphone Amplifier

        - Integrated BTL Speaker Driver 1 W (8Ω / 5V)

        - Earphone / Speaker / Line-Output Mixing / Routing

        - Integrated Headset Driver 40mW (16Ω / 3.3V)

        - Low Noise bias supply voltage for microphone

        - On-chip full fractional-N PLL

    3. Interfaces

        - I²S digital interface PCM time slot assignment

        - 2-Wire serial control Interface (I2C style; /Write capable)

    4. Low Power, Low Voltage

        - Analog Supply: 2.5V to 3.6V

        - Digital Supply: 1.71V to 3.6V

        - Nominal Operating Voltage: 3.3V

    5. Additional features

       - 5-band Graphic Equalizer

       - Programmable ALC

       - ADC Notch Filter

       - Programmable High Pass Filter

       - Digital ADC/DAC Passthrough

       - Mono data output on both channels

       - Automotive AEC-Q100 grade 3 & TS16949 qualification, tested to a higher reliability standard

       - Temperature: –40°C to +85°C

    6. Applications

       - All types of wired/wireless telephony

       - Security Systems

       - Mobile Telephone Hands-free Kits

       - Residential & Consumer Intercoms

3. Pin configuration

4. Packing specification