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MT9315

Features: • Contains two echo cancellers: 112ms acoustic echo canceller + 16ms line echo canceller• Works with low cost voice codec. ITU-T G.711 or signed mag m/A-Law, or linear 2's comp• Each port may operate in different format.• Advanced NLP design - full duplex speech w...

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SeekIC No. : 004430289 Detail

MT9315: Features: • Contains two echo cancellers: 112ms acoustic echo canceller + 16ms line echo canceller• Works with low cost voice codec. ITU-T G.711 or signed mag m/A-Law, or linear 2's comp...

MT9315 Data Sheet

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Part Number:
MT9315
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2025/12/15

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Product Details

Description



Features:

• Contains two echo cancellers: 112ms acoustic
  echo canceller + 16ms line echo canceller
• Works with low cost voice codec. ITU-T G.711
  or signed mag m/A-Law, or linear 2's comp
• Each port may operate in different format.
• Advanced NLP 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
• Offset nulling of all PCM channels
• Serial micro-controller interface
• ST-BUS or variable-rate SSI PCM interfaces
• User gain control provided for speaker path
  (-24dB to +21dB in 3dB steps)
• AGC on speaker path
• Handles up to 0 dB acoustic echo return loss
  and 0dB line ERL
• Transparent data transfer and mute options
• 20 MHz master clock operation
• Low power mode during PCM Bypass


Application

• Full duplex speaker-phone for digital telephone
• Echo cancellation for video conferencing
• Handsfree in automobile environment
• Full duplex speaker-phone for PCA


Pinout

Connection Diagram


Specifications

  Parameter Symbol Min Max Units
1 Supply Voltage VDD-VSS -0.3 7 V
2 Input Voltage Vi VSS-0.3 VDD+ 0.3 V
3 Output Voltage Swing Vo VSS-0.3 VDD+ 0.3 V
4 Continuous Current on any digital pin Ii/o   ±20 mA
5 Storage Temperature TST -65 150 °C
6 Package Power Dissipation PD(5v)   500 mW



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