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ZL38001QDG1 +BOM

Advanced noise reduction technology for crystal-clear conversation

ZL38001QDG1 General Description

Telecom IC Telecom Circuit 48-TQFP

Microchip Technology, Inc Inventory

Key Features

  • Contains two echo cancellers: 112 ms acoustic echo canceller + 16 ms line echo canceller
  • Works with low cost voice codec (ITU-T G.711 or signed mag µ/A-Law, or linear 2's comp)
  • Advanced Non-Linear Processor design - Full duplex speech with no switched loss on audio paths
  • Fast re-convergence time: tracks changing echo environment quickly
  • Adaptation algorithm converges even during Double-Talk
  • Designed for exceptional performance in high background noise environments
  • Provides protection against narrow-band signal divergence
  • Howling prevention stops uncontrolled oscillation in high loop gain conditions
  • Handles up to 0 dB acoustic echo return loss
  • User gain control for speaker path (-24 dB to +48 dB)
  • 18 dB gain to compensate for High ERL environments
  • Offset nulling of all PCM channels
  • Serial micro-controller interface
  • ST-BUS, GCI, or variable-rate SSI PCM interfaces
  • 20 MHz master clock operation
  • Low power mode during PCM Bypass
  • 2.7 V to 3.6 V supply voltage; 5 V-tolerant inputs
Microchip Technology, Inc Original Stock

Application

  • Handsfree in automobile applications

Specifications

Mount Surface Mount Number of Pins 48
Max Operating Temperature 85 °C Min Operating Temperature -40 °C
Number of Circuits 1 Operating Supply Current 20 mA
Operating Supply Voltage 3.3 V

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