The SA9023A-48TQ is a high-performance USB audio receiver chip manufactured by Savitech Corp. It's designed to bridge the gap between USB audio sources and high-fidelity audio equipment. This chip enables computers and other USB-enabled devices to output high-quality audio to amplifiers, DACs, and other audio processing units.

Applications

• USB DACs (Digital-to-Analog Converters)
• USB audio interfaces
• Headphone amplifiers
• Sound cards
• Digital audio players

Features

• USB 2.0 compliant
• Supports up to 24-bit/96kHz audio resolution
• High-performance audio playback
• Low jitter performance
• Integrated headphone amplifier
• I2S output for connection to external DACs
• SPDIF output for digital audio transmission
• 48-pin TQFP package

Benefits

• High-fidelity audio: Supports high-resolution audio formats for superior sound quality.
• Plug-and-play compatibility: USB 2.0 compliance ensures easy connection to computers and other USB devices.
• Low jitter: Minimizes timing errors for accurate audio reproduction.
• Versatile connectivity: I2S and SPDIF outputs provide flexibility in connecting to different audio devices.
• Compact design: The 48-pin TQFP package allows for integration into small form factor products.

Additional Details

The SA9023A-48TQ supports asynchronous USB audio transfer mode. It features a low-noise power supply design. The integrated headphone amplifier can drive a wide range of headphones. The I2S output supports master and slave modes. The SPDIF output is compliant with the IEC60958 standard. The chip requires minimal external components. The operating temperature range is typically 0°C to +70°C. This device provides a cost-effective solution for high-quality USB audio applications.