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Le58QL022 - Quad Low Voltage Subscriber Line Audio-Processing Circuit

Datasheet Summary

Description

The Le58QL022 Quad Low Voltage Subscriber Line AudioProcessing Circuit (QLSLAC™) devices integrate the key functions of analog line cards into high-performance, veryprogrammable, four-channel codec-filter devices.

Features

  • Low-power, 3.3 V CMOS technology with 5 V tolerant digital inputs.
  • Software and coefficient compatible to the Am79Q02/ 021/031 QSLAC device.
  • Performs the functions of four codec/filters.
  • Software programmable:.
  • SLIC input impedance.
  • Transhybrid balance.
  • Transmit and receive gains.
  • Equalization (frequency response).
  • Digital I/O pins.
  • Programmable debouncing on one input.
  • Time slot assigner.

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Datasheet Details

Part number Le58QL022
Manufacturer Zarlink
File Size 586.33 KB
Description Quad Low Voltage Subscriber Line Audio-Processing Circuit
Datasheet download datasheet Le58QL022 Datasheet
Additional preview pages of the Le58QL022 datasheet.

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Full PDF Text Transcription

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Le58QL022 Quad Low Voltage Subscriber Line Audio-Processing Circuit VE580 Series APPLICATIONS „ Codec function on telephone switch line cards FEATURES „ Low-power, 3.3 V CMOS technology with 5 V tolerant digital inputs „ Software and coefficient compatible to the Am79Q02/ 021/031 QSLAC device „ Performs the functions of four codec/filters „ Software programmable: — SLIC input impedance — Transhybrid balance — Transmit and receive gains — Equalization (frequency response) — Digital I/O pins — Programmable debouncing on one input — Time slot assigner — Programmable clock slot and PCM transmit clock edge options „ Standard microprocessor interface „ A-law, µ-law, or linear coding „ Single or Dual PCM ports available — Up to 128 channels (PCLK at 8.
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