مدار مجتمع (آی سی) آی‌سی صوتی ویژه

Product Attributes

Introduction

The PGA2311 device is a high-performance, stereo audio volume control designed for professional and high-end consumer audio systems. The PGA2311 uses an internal high-performance operational amplifier to yield low noise and distortion. The PGA2311 also provides the capability to drive 660-Ω loads directly without buffering. The 3-wire serial control interface allows for connection to a wide variety of host controllers, in addition to support for daisy-chaining of multiple PGA2311 devices.

Features

• Digitally-Controlled Analog Volume Control: Two Independent Audio Channels Serial Control Interface Zero Crossing Detection Mute Function
• Wide Gain and Attenuation Range: +31.5 dB to −95.5 dB with 0.5-dB Steps
• Low Noise and Distortion: 120-dB Dynamic Range 0.0004% THD+N at 1 kHz (U-Grade) 0.0002% THD+N at 1 kHz (A-Grade)

Applications

• Audio Amplifiers
• Mixing Consoles
• Multi-Track Recorders
• Broadcast Studio Equipment
• Musical Instruments
• Effects Processors
• A/V Receivers
• Car Audio Systems