
Analog Devices
GENERAL DESCRIPTION
The AD9867 is a mixed-signal front-end (MxFE) IC for transceiver applications requiring Tx and Rx path functionality with data rates up to 75 MSPS. Its flexible digital interface, power-saving modes, and high Tx-to-Rx isolation make the part well suited for half-duplex and full-duplex applications. The digital interface is extremely flexible allowing simple interfaces to digital back ends.
FEATURES
Low cost, 3.3 V CMOS MxFE® for broadband modems
10-bit digital-to-analog converter (DAC)
2×/4× interpolation filter
250 MSPS DAC update rate
10-bit, 75 MSPS ADC
Low noise RxPGA
Dual channel muxed input
6 dB input overload attenuator
−12 dB to +48 dB (without attenuator)
Third-order programmable low-pass filter
Flexible digital datapath interface
Half-duplex and full-duplex operation
Programmable delay Tx driver disable signal
Various power-down/reduction modes
Internal clock multiplier (PLL)
2 auxiliary programmable clock outputs
64-lead LFCSP
APPLICATIONS
Power-line networking