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Part Number: MT93L00A
Description: The MT93L00 Voice Echo Canceller implements a cost effective solution for telephony voice-band echo ca...
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MT93L00A
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DataSheet
General Description
MT93L00A General Description
The MT93L00 Voice Echo Canceller implements a cost effective solution for telephony voice-band echo cancellation conforming to ITU-T G.168 requirements. The MT93L00 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 MT93L00 supports ITU-T G.165 and G.164 tone disable requirements.
MT93L00A Maximum Ratings
| 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 |
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.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
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
MT93L00A Connection Diagram
MT93L00A
PDF/DataSheet Download
- Datasheet: MT93L00A
- File Size: 493175 KB
- Manufacturer: Zarlink
- Click here to Download
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