Adafruit

1681  

CODECS

1681 Description

The 1681 is a high-performance audio interface IC chip designed by Adafruit Industries LLC, specifically tailored for applications requiring robust audio processing capabilities. This chip is part of the VS1053B family, known for its exceptional performance in handling MP3, WAV, OGG, and MIDI file formats. The 1681 stands out due to its comprehensive feature set and compatibility with various audio formats, making it an ideal choice for a wide range of audio-related projects and products.

1681 Features

• Voltage Specifications: The 1681 operates with a digital supply voltage ranging from 1.7V to 1.85V and an analog supply voltage between 2.5V and 3.6V. This wide voltage range ensures compatibility with various power sources and enhances its versatility in different applications.
• Data Interface: Equipped with an I2S data interface, the 1681 facilitates high-quality digital audio transmission, ensuring minimal signal loss and interference. This interface is widely used in professional audio equipment, providing a reliable and efficient connection.
• ADC/DAC Configuration: The chip features one ADC (Analog-to-Digital Converter) and one DAC (Digital-to-Analog Converter), enabling seamless conversion between analog and digital audio signals. This dual functionality supports both recording and playback applications.
• Resolution: With an 8-bit resolution, the 1681 ensures high-fidelity audio processing, delivering clear and accurate sound reproduction.
• Mounting Type: The surface-mount design of the 1681 allows for easy integration into compact and space-constrained devices, making it suitable for modern, sleek electronics.
• Compliance and Packaging: The 1681 is ROHS3 compliant, ensuring it meets stringent environmental standards. It is also packaged in bulk, which is convenient for mass production and inventory management.
• Moisture Sensitivity Level (MSL): With an MSL of 1 (unlimited), the 1681 is highly resistant to moisture, making it reliable for use in various environmental conditions without the need for special handling or storage precautions.

1681 Applications

The 1681 is well-suited for a variety of applications where high-quality audio processing is essential. Some specific use cases include:

• Portable Audio Devices: Ideal for MP3 players, portable speakers, and other handheld audio devices, the 1681 ensures high-fidelity sound reproduction and efficient power management.
• Home Audio Systems: Its compatibility with multiple audio formats and high-resolution processing makes it a perfect fit for home theater systems, soundbars, and smart speakers.
• Automotive Audio Systems: The robust design and wide voltage range make the 1681 suitable for in-car entertainment systems, where reliability and performance are critical.
• Professional Audio Equipment: The I2S interface and high-fidelity processing capabilities make the 1681 a valuable component in professional audio mixers, recording devices, and studio equipment.
• IoT and Smart Devices: The 1681 can be integrated into IoT devices that require audio capabilities, such as smart home assistants, voice-controlled devices, and wearable tech with audio functionality.

Conclusion of 1681

The 1681 from Adafruit Industries LLC is a versatile and high-performance audio interface IC chip that offers a comprehensive set of features tailored for modern audio applications. Its wide voltage range, I2S data interface, and dual ADC/DAC configuration ensure high-fidelity audio processing and compatibility with various devices. The 1681's compliance with environmental standards and robust moisture resistance further enhance its reliability and suitability for diverse applications. Whether used in portable devices, home audio systems, automotive entertainment, professional audio equipment, or IoT devices, the 1681 stands out as a reliable and efficient choice for audio processing needs.

1681 Documents

Download datasheets and manufacturer documentation for 1681