AD9873 Datasheet (Analog Devices) - Analog Front End Converter for Set-Top Box/ Cable Modem

AD9873, Analog Front End Converter for Set-Top Box/ Cable Modem

Analog Front End Converter for Set-Top Box, Cable Modem AD9873 FUNCTIONAL BLOCK DIAGRAM AD9873 COS Tx IQ Tx Tx SYNC INTERPOLATOR FILTER SIN 3 PLL SERIAL ITF PROFILE 4 2 CONTROL FUNCTIONS DDS 12 12 CA INV SINC 12 DAC Tx SDELTA0 SDELTA1 REF CLK 8 ADC IIN Rx IQ Rx IF Rx SYNC 8 Rx 10 ADC QIN A

AD9873 Features

* Low-Cost 3.3 V CMOS Analog Front End Converter for MCNS-DOCSIS, DVB, DAVIC-Compliant Set-Top Box, Cable Modem Applications 232 MHz Quadrature Digital Upconverter DC to 65 MHz Output Bandwidth 12-Bit Direct IF D/A Converter (TxDAC+ ®) Programmable Reference Clock Multiplier (PLL) Direct Digital Synth