器件名称:
MT93L00AV
功能描述:
Multi-Channel Voice Echo Canceller
文件大小:
639.43KB 共39页
简 介:
MT93L00A Multi-Channel Voice Echo Canceller Data Sheet Not recommended for new designs. Use the ZL38065, 32 channel VEC with enhanced algorithm. March 2005 Ordering Information MT93L00AB MT93L00AV 100-Pin LQFP 208-Ball LBGA 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 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 2 Mbps serial PCM PCM coding, /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 Fast reconvergence on echo path changes Non-Linear Processor with high quality subjective performance -40° C to +85 ° C 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 1.8 V Logic core operation with 5 V 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 VDD2 (1.8 V) VDD1 (3.3 V) VSS ……
