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S5T8557B - 1 CHIP CODEC

Download the S5T8557B datasheet PDF. This datasheet also covers the S5T8554B variant, as both devices belong to the same 1 chip codec family and are provided as variant models within a single manufacturer datasheet.

Features

  • Complete CODEC and filtering system.
  • Meets or exceeds AT&T D3/D4 and CCITT specifications ยต-Law: S5T8554B, A-Law: S5T8557B.
  • On-chip auto zero, sample and hold, and precision voltage references.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (S5T8554B_Samsungsemiconductor.pdf) that lists specifications for multiple related part numbers.

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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.

View original datasheet text
1 CHIP CODEC INTRODUCTION The S5T8554B/7B are single-chip PCM encoders and decoders (PCM CODECs) and PCM line filters. These devices provide all the functions required to interface a full-duplex voice telephone circuit with a time-division-multiplex (TDM) system. These devices are designed to perform the transmit encoding and receive decoding as well as the transmit and receive filtering functions in PCM system. They are intended to be used at the analog termination of a PCM line or trunk. These devices provide the bandpass filtering of the analog signals prior to encoding and after decoding. These combination devices perform the encoding and decoding of voice and call progress tones as well as the signalling and supervision information.
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