ZL38065

www.DataSheet4U.com ZL38065 32 Channel Voice Echo Canceller Data Sheet Features Independent multiple channels of echo cancellation; from 32 channels of 64 ms to 16 channels of 128 ms with the ability to mix channels at 128 ms or 64 ms in any combination Fully compliant to ITU-T G.165, G.168 (2000) and (2002) specifications Passed all AT&T voice quality tests for carrier grade echo canceller systems. Unparalleled in-system tunability Sub 50 ms initial convergence times under many typical network conditions Fast reconvergence on echo path changes Patented Advanced Non-Linear Processor with high quality subjective performance Superior noise matching algorithm 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 Disable Per channel echo canceller parameters control Transparent data transfer and mute Protection against narrow band signal divergence and instability in high echo environments Ordering Information ZL38065QCG ZL38065GDG ZL38065QCG1 ZL38065GDG2 100 208 100 208 Pin LQFP Ball LBGA Pin LQFP* Ball LBGA** Trays, Trays, Trays, Trays, Bake Bake Bake Bake & & & & Drypack Drypack Drypack Drypack January 2006 *Pb Free Matte Tin **Pb Free Tin/Silver/Copper -40°C to +85 °C +9 dB to -12 dB level adjusters (3 dB steps) at all signal ports Offset nulling of all PCM channels Independent Power Down mode for each group of 2 channels for power management Compatible to ST-BUS and...