AD1886AJST-REEL

Overview

The AD1886AJST-REEL is an AC'97 2.2 compliant stereo codec manufactured by Analog Devices Inc., housed in a 48-terminal LQFP package. It features 16-bit stereo full-duplex digital-to-analog and analog-to-digital conversion with greater than 90 dB dynamic range. The device supports variable sample rates from 7040 Hz to 48 kHz, split power supplies (3.3 V digital/5 V analog), and includes a stereo headphone amplifier. It provides four analog line-level stereo inputs, two mono inputs, and a microphone input with a built-in 20 dB preamp.

Feature Summary

• AC'97 2.2 Compliant Interface
• Variable Sample Rate Audio Support
• Stereo Headphone Amplifier
• Multibit Delta-Sigma Converter Architecture

Applications

• Desktop PC Audio Systems
• Notebook Computer Audio Subsystems
• Telephony Speakerphone Integration

Procurement Notes

Verify the component matches the exact part number AD1886AJST-REEL. Confirm the manufacturer is Analog Devices Inc. Check for physical damage or ESD exposure before installation. Ensure the ordering suffix corresponds to the reel packaging format specified in the datasheet.

Selection Notes

Select this component for applications requiring AC'97 2.2 compliance and high-quality audio processing. Consider the split power supply requirements and the 48-terminal LQFP package size. Evaluate the need for integrated headphone amplification and SPDIF output capabilities during system design.

Part Context

This component belongs to the AD1886A series of AC'97 codecs. It is designed for desktop and notebook computer audio applications. The device integrates multiple audio inputs and outputs into a single chip solution.

Replacement Considerations

Check for backward compatibility with AD1819 and AD1819A through specific register aliasing. Verify pinout and electrical specifications against potential substitute parts.