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  4. RF Integrated Transceivers
  5. Mixed-Signal Front Ends (MxFE)
  6. AD9867

Alternative Parts


Features and Benefits

  • 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

Product Details

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. Power-saving modes can reduce power consumption of individual functional blocks or can power down unused blocks in half-duplex applications. A serial port interface (SPI®) allows software programming of the various functional blocks. An on-chip PLL clock multiplier and synthesizer provide all the required internal clocks, as well as two external clocks from a single crystal or clock source. 

The Tx signal path consists of a bypassable 2×/4× low-pass interpolation filter and a 10-bit, 250 MSPS TxDAC. The transmit path signal bandwidth can be as high as 33.6 MHz at an input data rate of 75 MSPS. The TxDAC provides differential current outputs that can be steered directly to a differential or single-ended external load. Tx power can be digitally controlled over a 7.5 dB range in 0.5 dB steps. 

The receive path consists of a programmable amplifier (RxPGA), a tunable low-pass filter (LPF), and a 10-bit analogto-digital converter (ADC). The low noise RxPGA has a programmable gain range of −12 dB to +48 dB in 1 dB steps. Its input referred noise is less than 3.6 nV/√Hz for gain settings beyond 36 dB. An optional attenuator provides an additional 6 dB (or more) of attenuation (when combined with external series resistors). The receive path LPF cutoff frequency can either be set over a 22 MHz to 38 MHz range or simply bypassed. The 10-bit ADC achieves excellent dynamic performance over a 5 MSPS to 75 MSPS span. Both the RxPGA and the ADC offer scalable power consumption allowing power/performance optimization. 

The AD9867 provides a highly integrated solution for broadband modems. It is available in a space-saving, 64-lead LFCSP and is specified over the commercial (−40°C to +85°C) temperature range. 


  • Power-line networking
For more information on the AD9867, contact Analog Devices, Inc. at email MxFE_Support@analog.com. 

Product Lifecycle icon-not-recommended Not Recommended for New Designs

This designates products ADI does not recommend broadly for new designs.

Documentation & Resources

Design Resources

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.View our quality and reliability program and certifications for more information.

Part Number Material Declaration Reliability Data Pin/Package Drawing CAD Symbols, Footprints & 3D Models
AD89017BCPZ Material Declaration Reliability Data 64-Lead LFCSP (9mm x 9mm w/ EP)
AD89017BCPZRL Material Declaration Reliability Data 64-Lead LFCSP (9mm x 9mm w/ EP)
AD9867BCPZ Material Declaration Reliability Data 64-Lead LFCSP (9mm x 9mm x 0.75mm w/ EP)
AD9867BCPZRL Material Declaration Reliability Data 64-Lead LFCSP (9mm x 9mm x 0.75mm w/ EP)
Wafer Fabrication Data

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