PGA2311UA Datasheet

Audio Amplifiers


The PGA2311UA is a high–performance, stereo audio volume control designed for professional and high-end consumer audio systems. Using high performance operational amplifier stages internal to the PGA2311UA yields low noise and distortion, while providing the capability to drive 600Ω 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 PGA2311UA devices. PGA2311UA Features • Digitally-controlled analog volume control two independent audio channels serial control interface zero crossing detection mute function• Wide gain and attenuation range +31.5db to –95.5db with 0.5db steps• Low noise and distortion 120db dynamic range 0.0004% thd+n at 1khz (u-grade) 0.0002% thd+n at 1khz (a-grade)• Noise-free level transitions• Low interchannel crosstalk–130dbfs• Power supplies: ±5v analog, +5v digital• Available in dip-16 and sol-16 packages• Pin and software compatible with the crystal cs3310 PGA2311UA Applications • Audio amplifiers• Mixing consoles• Multi-track recorders• Broadcast studio equipment• Musical instruments• Effects processors• A/V receivers• Car audio systems


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Manufacturer information

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