The AD1981BJSTZ is a high-quality integrated audio codec from Analog Devices Inc., which belongs to the SoundMAX® line of audio products. This codec is designed to deliver a superior audio experience for a wide range of applications, including desktop and portable computers, workstations, and multimedia systems.

Key Features:

• High Performance: The AD1981BJSTZ provides high-quality audio fidelity, ensuring clear and crisp sound reproduction. Its full-duplex operation supports simultaneous record and playback for Internet communications applications.
• AC'97 2.3 Compatible: This codec is compliant with the AC'97 2.3 specification, ensuring compatibility with a broad range of audio software and hardware.
• Integrated Stereo Headphone Amplifiers: The device includes built-in headphone amplifiers that can drive 32-ohm loads, providing a rich and dynamic listening experience for end-users.
• Power Management: Advanced power management features are incorporated to support various low-power modes, making the AD1981BJSTZ suitable for battery-powered devices.
• Multiple Codec Extensions: It supports multiple codec extensions for enhanced audio functionality, including variable sample rates and bit depths.

Applications:

• Desktop and laptop computers
• Workstations
• Portable electronic devices
• Multimedia systems

Technical Specifications:

• Package: 48-Lead LQFP (AD1981BJSTZ)
• Supply Voltage: 3.3V typical
• Analog I/O: Stereo line-level inputs and outputs
• Digital Interface: S/PDIF output interface
• Operating Temperature Range: 0°C to 70°C

The AD1981BJSTZ from Analog Devices Inc. represents a blend of performance, power efficiency, and versatility, making it an ideal audio codec solution for manufacturers and designers who require reliable and high-quality audio capabilities in their products.