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SA572 - Programmable analog compandor

General Description

The SA572 is a dual-channel, high-performance gain control circuit in which either channel may be used for dynamic range compression or expansion.

Key Features

  • NOTE: 1. D package released in large SO (SOL) package only.
  • Independent control of attack and recovery time.
  • Improved low frequency gain control ripple.
  • Complementary gain compression and expansion with external op amp SR00694 Figure 1. Pin Configuration.
  • Wide dynamic range.
  • greater than 110dB.
  • Temperature-compensated gain control.
  • Low distortion gain cell.
  • Low noise.
  • 6µV typical.
  • Wide supply voltage rang.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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INTEGRATED CIRCUITS SA572 Programmable analog compandor Product specification IC17 Data Handbook 1998 Nov 03 Philips Semiconductors Philips Semiconductors Product specification Programmable analog compandor SA572 DESCRIPTION The SA572 is a dual-channel, high-performance gain control circuit in which either channel may be used for dynamic range compression or expansion. Each channel has a full-wave rectifier to detect the average value of input signal, a linearized, temperature-compensated variable gain cell (∆G) and a dynamic time constant buffer. The buffer permits independent control of dynamic attack and recovery time with minimum external components and improved low frequency gain control ripple distortion over previous compandors.