DESCRIPTION
The MTC20154 is the fifth generation Analog Front End (AFE) designed for DMT based ADSL (Asynchronous Digital Subscriber Line) modems compliant with ANSI T1.413 category 2 standard. It includes one 12 bit DAC and one 13 bit ADC.It is intended to be used with the MTC20156/ MTC20147 DMT/ATM processors as part of the MTK20150/MTK20141 chipsets, but may also be used to support other xDSL signal processors.
FEATUREs
■ Fully integrated AFE for ADSL
■ Overall 12 bit resolution, 1.1MHz signal
bandwidth
■ 8.8 MS/s ADC
■ 8.8 MS/s DAC
■ THD: -60 dB @ full scale
■ 1V full scale input
■ Differential analog I/O
■ Accurate continuous-time channel filtering
■ 3rd & 4th order tunable continuous time LP
Filters
■ 64 pin TQFP package
■ 350mW power consumption
APPLICATIONs
■ ADSL Front-end for all full rate and Lite standards