PGA2311U/1K Datasheet PDF - TI

●Description

●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)

●• Noise-Free Level Transitions

●• Low Interchannel Crosstalk: −130 dBFS

●• Power Supplies: ±5-V Analog, +5-V Digital

●• Available in PDIP-16 and SOIC-16 Packages

●• Pin- and Software-Compatible With the Crystal CS3310

●Applications

●• Audio Amplifiers

●• Mixing Consoles

●• Multi-Track Recorders

●• Broadcast Studio Equipment

●• Musical Instruments

●• Effects Processors

●• A/V Receivers

●• Car Audio Systems