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
