PGA2311

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community PGA2311 SBOS218D – DECEMBER 2001 – REVISED MAY 2016 PGA2311 Stereo Audio Volume Control 1 Features 1 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 3 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. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) PGA2311 SOIC (16) PDIP (16) 7.5 mm × 10.30 mm 6.35 mm × 19.30 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. 2 Applications Audio...