+/-5V Stereo Audio Volume Control - PGA2311


+/-5V Stereo Audio Volume Control


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

View more

Parametrics Compare all products in Volume Control

Special Features
Dynamic Range (dB)
Gain and Attenuation (dB)
Voltage Swing (Vpp)
Interchannel Crosstalk @ 1 kHz (dBFS)
THD + N @ 1 kHz (%)
Power Supply (V)
Operating Temperature Range (C)
PGA2311 PGA2310 PGA2320 PGA4311
Two Independent Audio Channels     Two Independent Audio Channels     Two Independent Audio Channels     Four Independent Audio Channels    
120     120     120     120    
+31.5dB to -95.5dB with 0.5dB     +31.5dB to -95.5dB with 0.5dB steps     +31.5dB to -95.5dB with 0.5dB steps     +31.5 to -95.5 with 0.5dB steps    
7.5     27     28     7.5    
-130     -126     -126     -130    
0.0002     0.0004     0.0003     0.0002    
+/-5     +/-15     +/-15     +/-5    
16SOIC     28SOIC    
-40 to 85     -40 to 85     -40 to 85     -40 to 85    

Related end equipment

  • Audio Amplifiers
  • Mixing Consoles
  • Multi-Track Recorders
  • Broadcast Studio Equipment
  • Musical Instruments
  • Effects Processors
  • A/V Receivers
  • Car Audio Systems

All trademarks are the property of their respective owners.

Featured tools and software