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.
● 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
