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CD22357A Datasheet CMOS Single-chip/ Full-feature Pcm Codec

Manufacturer: Intersil (now Renesas)

Overview: Semiconductor February 1999 T UCT ROD ACEMEN 47 P E 7 T L 7 E P 42 OL RE 00-4 m OBS ENDED 8 1 s.

General Description

The CD22354A and CD22357A are monolithic silicongate, double-poly CMOS integrated circuits containing the band-limiting filters and the companding A/D and D/A conversion circuits that conform to the AT&T D3/D4 specifications and CCITT recommendations.

The CD22354A provides the AT&T µ-law and the CD22357A provides the CCITT A-law companding characteristic.

The primary applications for the CD22354A and CD22357A are in telephone systems.

Key Features

  • Meets or Exceeds All AT&T D3/D4 Specifications and CCITT Recommendations.
  • Complete CODEC and Filtering Systems: No External Components for Sample-and-Hold and Auto-Zero Functions. Receive Output Filter with (SIN X)/X Correction and Additional 8kHz Suppression.
  • Variable Data Clocks - From 64kHz.
  • . 2.1MHz.
  • Receiver Includes Power-Up Click Filter.
  • TTL or CMOS-Compatible Logic.
  • ESD Protection on All Inputs and.

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