ZL50233 - Zarlink Semiconductor

ZL50233 4 Channel Voice Echo Cancellor

ZL50233 4 Channel Voice Echo Cancellor Data Sheet Features • Independent multiple channels of echo cancellation; from 4 channels of 64 ms to 2 channels of 128 ms with the ability to mix channels at 128 ms or 64 ms in any combination • Independent Power Down mode for each group of 2 channels for power management • Fully compliant to ITU-T G.165, G.168 (2000.

Features

• Independent multiple channels of echo cancellation; from 4 channels of 64 ms to 2 channels of 128 ms with the ability to mix channels at 128 ms or 64 ms in any combination
• Independent Power Down mode for each group of 2 channels for power management
• Fully compliant to ITU-T G.165, G.168 (2000) and (2002) specifications
• Passed AT&T voice quality testing for carrier grade echo cancellers.
• Compatible to ST-BUS and GCI interfaces with 2 Mbps serial PCM data
• PCM coding, µ/A-Law ITU-T G.711 or sign magnitude
• Per channel Fax/Modem G.164 2100 Hz or G.165 2100 Hz phase reversal Tone Disab.