PGA2320

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+/-15V Stereo Audio Volume Control with low gain error (0.1)

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Product details

Parameters

Number of channels (#) 2 Power supply (V) +/-15 Gain & attenuation (dB) +31.5 to -95.5 with 0.5dB steps THD + N @ 1 kHz (%) 0.0003 Interchannel crosstalk @ 1 kHz (dBFS) -126 Gain error (gain=31.5dB) (dB) ±0.1 Dynamic range (dB) 120 Voltage swing with max supply (Vpp) 28.28 Load capacitance (pF) 1000 Operating temperature range (C) -40 to 85 open-in-new Find other Volume control ICs

Package | Pins | Size

SOIC (DW) 16 77 mm² 7.52 x 10.28 open-in-new Find other Volume control ICs

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
      0.0003% THD+N at 1kHz
  • LOW INTERCHANNEL CROSSTALK: –126dBFS
  • NOISE-FREE LEVEL TRANSITIONS
  • POWER SUPPLIES: ±15V Analog, +5V Digital
  • AVAILABLE IN SOL-16 PACKAGE
  • PIN-FOR-PIN COMPATIBLE WITH THE PGA2310
  • 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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Description

The PGA2320 is a high-performance, stereo audio volume control designed for professional and high-end consumer audio systems. The ability to operate from ±15V analog power supplies enables the PGA2320 to process input signals with large voltage swings, thereby preserving the dynamic range available in the overall signal path. Using high performance operational amplifier stages internal to the PGA2320 yields low noise and distortion, while providing the capability to drive 600 loads directly without buffering. The three-wire serial control interface allows for connection to a wide variety of host controllers, in addition to support for daisy-chaining of multiple PGA2320 devices.

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Technical documentation

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Type Title Date
* Datasheet PGA2320: Stereo Audio Volume Control datasheet (Rev. B) Dec. 14, 2004

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