The PCM1808 is a low-cost, single-chip stereo analog-to-digital converter (ADC) manufactured by Burr-Brown (Texas Instruments). It's designed for consumer audio applications requiring high-quality audio capture. This ADC features a delta-sigma modulator with integrated filters to provide excellent audio performance.

Applications:

• Audio Interfaces: Used in USB audio interfaces for converting analog audio to digital signals.
• Sound Cards: Integrated into sound cards for audio recording.
• Portable Audio Recorders: Employed in portable audio recorders to capture high-quality audio.
• Home Theater Systems: Utilized in home theater systems for audio input.
• Automotive Audio Systems: Incorporated into automotive audio systems for voice recognition and audio recording.

Features:

• Stereo ADC: Provides two channels of analog-to-digital conversion.
• Delta-Sigma Modulator: Uses a delta-sigma modulator for high-resolution audio conversion.
• Integrated Filters: Features integrated digital filters for noise shaping and anti-aliasing.
• Sampling Rates: Supports sampling rates up to 96 kHz.
• Low Power Consumption: Designed for low-power operation.
• I2S Interface: Uses the I2S (Inter-IC Sound) interface for digital audio output.

Benefits:

• High-Quality Audio: Provides high-quality audio conversion for demanding audio applications.
• Low Noise: The delta-sigma modulator and integrated filters minimize noise and distortion.
• Simplified Design: Requires minimal external components, simplifying circuit design.
• Low Power Consumption: Suitable for battery-powered applications.
• Cost-Effective Solution: Offers a cost-effective solution for audio ADC applications.

Additional Details:

The PCM1808 typically comes in a small surface-mount package such as a TSSOP. Detailed specifications including THD+N (Total Harmonic Distortion + Noise), SNR (Signal-to-Noise Ratio), and dynamic range are usually available in the product datasheet from Texas Instruments. Always refer to the official datasheet for the most accurate and up-to-date information. The device requires external analog circuitry for input buffering and filtering in some applications.