AD5011

PRELIMINARY TECHNICAL DATA a Preliminary Technical Data FEATURES Integrated front End for Single Pair or Two Pair HDSL Systems Meets ETSI Specifications Supports 1168 kbps and 2.32 Mbps Programmable Filtering Supports Adaptive HDSL Transmit and Receive Signal Path Functions Receive Hybrid Amplifier, PGA, ADC and Adaptable Filter Transmit DAC, Adaptable Filter and Differential Outputs Normal Loopback Serial Interface to Digital Transceivers Single 3 V Power Supply 2 Pair/1 Pair ETSI Compatible HDSL Analog Front End AD5011 GENERAL DESCRIPTION The AD5011 is an analog front end for two pair or single pair HDSL applications that use 1168 kbps or 2.32 Mbps data rates. The device integrates all the transmit and receive functional blocks. A standard serial interface is used to communicate with the DAC and ADC. The filters in both the transmit and receive paths are programmable which allows adaptive HDSL to be performed also. The part is available in a 48-pin LQFP package and is specified for a temperature range of -40 oC to +85 oC. FUNCTIONAL BLOCK DIAGRAM V DR IV E T x-D E CO U P T xD A T A T xS YN C T xC LK 1 4-B it D A C 6 P ole A da ptive B esse l Filte r PGA 0 dB -6 dB L in e D rive r D RV -O U T P D RV -O U T N A DC C LK S CL K S DO DR C AP -T C AP -B R EF -CO M V RE F C M -L V L -6 dB -3 dB 0 dB +3 d B +6 d B A DC B uffer 4 P ole A da ptive B utterw orth Filter H YBIN-2 B H YBIN-2 A H YBIN-1 A H YBIN-1 B 1 2-B it A D C PGA H ybrid S P IC LK T FS DT DR R ES E T B P ...