AD9877 is a low-cost 3.3V CMOS MxFE™ for MCNS-DOCSIS-, DVB-, DAVIC-compliant set-top box and cable modem applications.
The AD9877 is a single-supply mixed-signal front end designed for set-top box and cable modem applications. It integrates a transmit path with an interpolation filter, a complete quadrature digital upconverter, and a 12-bit direct IF DAC (TxDAC+). The receive path includes a 12-bit ADC and two 8-bit ADCs.
| DAC Resolution | 12 Bits |
|---|---|
| DAC Sampling Frequency (N=4) | 232 MHz |
| Supply Voltage | 3.3 V |
| Operating Temperature Range | -40°C to +85°C |
It is designed for MCNS-DOCSIS-, DVB-, and DAVIC-compliant set-top box and cable modem applications.
Yes, all internally required clocks and an output system clock are generated by a phase-locked loop (PLL) from a single crystal or clock input.