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The NAU88C22YG is a high-performance audio codec manufactured by NUVOTON. Below are its specifications, descriptions, and features:

Specifications:

• Manufacturer: NUVOTON
• Type: Audio Codec (ADC/DAC)
• Interface: I2C control interface
• Resolution:
• ADC: 24-bit
• DAC: 24-bit
• Sampling Rate: Up to 192 kHz
• Signal-to-Noise Ratio (SNR):
• ADC: Up to 100 dB
• DAC: Up to 103 dB
• Power Supply:
• Analog: 3.3 V
• Digital: 1.8 V or 3.3 V
• Operating Temperature Range: -40°C to +85°C
• Package: QFN (Quad Flat No-Lead)

Descriptions:

The NAU88C22YG is a low-power, high-fidelity audio codec designed for portable and consumer audio applications. It integrates a high-performance stereo ADC and DAC with flexible digital interfaces, making it suitable for smartphones, tablets, and other multimedia devices.

Features:

• High-Quality Audio Processing:
• Supports 24-bit resolution for both ADC and DAC.
• Supports sample rates up to 192 kHz.
• Low Power Consumption:
• Optimized for battery-powered devices.
• Flexible Digital Interface:
• I2S, left-justified, right-justified, and DSP modes.
• Integrated Features:
• On-chip PLL for clock generation.
• Programmable gain amplifiers (PGA) for microphone inputs.
• Digital dynamic range control (DRC).
• Built-in Headphone Amplifier:
• Supports direct headphone drive.
• Wide Operating Voltage Range:
• Compatible with 1.8 V and 3.3 V digital supplies.
• Robust Design:
• Supports pop/click reduction circuitry.

This information provides a factual overview of the NAU88C22YG audio codec from NUVOTON.