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MT93L00A

Features: • Independent multiple channels of echo cancellation; from 32 channels of 64ms to 16 channels of 128ms with the ability to mix channels at 128ms or 64ms in any combination• Independent Power Down mode for each group of 2 channels for power management• ITU-T G.165 and G....

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MT93L00A: Features: • Independent multiple channels of echo cancellation; from 32 channels of 64ms to 16 channels of 128ms with the ability to mix channels at 128ms or 64ms in any combination• Ind...

MT93L00A Data Sheet

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Part Number:
MT93L00A
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: 2024/11/26

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Product Details

Description



Features:

• Independent multiple channels of echo
  cancellation; from 32 channels of 64ms to 16
  channels of 128ms with the ability to mix
  channels at 128ms or 64ms in any combination
• Independent Power Down mode for each group
  of 2 channels for power management
• ITU-T G.165 and G.168 compliant
• Field proven, high quality performance
• Compatible to ST-BUS and GCI interface at
  2Mb/s serial PCM
• PCM coding,  m/A-Law ITU-T G.711 or sign magnitude
• Per channel Fax/Modem G.164 2100Hz or
  G.165 2100Hz phase reversal Tone Disable
• Per channel echo canceller parameters control
• Transparent data transfer and mute
• Fast reconvergence on echo path changes
• Non-Linear Processor with high quality
  subjective performance
• Protection against narrow band signal divergence
• Offset nulling of all PCM channels
• 10 MHz or 20 MHz master clock operation
• 3.3 V pads and 1.8V Logic core operation with
  5-Volt tolerant inputs
• No external memory required
• Non-multiplexed microprocessor interface
• IEEE-1149.1 (JTAG) Test Access Port
• Applications
• Voice over IP network gateways
• Voice over ATM, Frame Relay
• T1/E1/J1 multichannel echo cancellation
• Wireless base stations
• Echo Canceller pools
• DCME, satellite and multiplexer systems


Pinout

Connection Diagram


Specifications

Parameter Symbol Min Max Units
1 Core Supply Voltage VDD_CORE -0.5 2.5 V
2 I/O Supply Voltage VDD_IO -0.5 5.0 V
3 Input Volta VI_3 VSS-0.5 VDD + 0.5 V
4 Input Voltage (5V tolerant inputs) VI_5 VSS-0.5 7.0 V
5 Continuous Current at digital outputs LO 20 mA
6 Package power dissipation PD 2 W
7 Storage temperature TS -55 +125 °C



Description

The MT93L00A Voice Echo Canceller implements a cost effective solution for telephony voice-band echo cancellation conforming to ITU-T G.168 requirements. The MT93L00A architecture contains 16 groups of two echo cancellers (ECA and ECB) which can be configured to provide two channels of 64 milliseconds or one channel of 128 milliseconds echo cancellation. This provides 32 channels of 64 milliseconds to 16 channels of 128 milliseconds echo cancellation or any combination of the two configurations. The MT93L00A supports ITU-T G.165 and G.164 tone disable requirements.




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