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  2. RF and Microwave
  3. RF Integrated Transmitters, Receivers, and Transceivers
  4. RF Integrated Transceivers
  5. Mixed-Signal Front Ends (MxFE)
  6. AD9863


Features and Benefits

  • Receive path includes dual 12-bit, 50 MSPS analog-to-digital converters with internal or external reference
  • Transmit path includes dual 12-bit, 200 MSPS digital-to-analog converters with 1×, 2×, or 4× interpolation and programmable gain control
  • Internal clock distribution block includes a programmable phase-locked loop and timing generation circuitry, allowing single-reference clock operation
  • 24-pin flexible I/O data interface allows various interleaved or noninterleaved data transfers in half-duplex mode and interleaved data transfers in full-duplex mode
  • Configurable through register programmability or optionally limited programmability through mode pins
  • Independent Rx and Tx power-down control pins
  • 64-lead LFCSP package (9 mm × 9 mm footprint)

Product Details

The AD9863 is a member of the MxFE family—a group of integrated converters for the communications market. The AD9863 integrates dual 12-bit analog-to-digital converters (ADC) and dual 12-bit digital-to-analog converters (TxDAC®). The AD9863 ADCs are optimized for ADC sampling of 50 MSPS and less. The dual TxDACs operate at speeds up to 200 MHz and include a bypassable 2× or 4× interpolation filter. The AD9863 is optimized for high performance, low power, and small form factor to provide a cost-effective solution for the broadband communications market.

The AD9863 uses a single input clock pin (CLKIN) or two independent clocks for the Tx path and the Rx path. The ADC and TxDAC clocks are generated within a timing generation block that provides user programmable options such as divide circuits, PLL multipliers, and switches.

A flexible, bidirectional 24-bit I/O bus accommodates a variety of custom digital back ends or open market DSPs.

In half-duplex systems, the interface supports 24-bit parallel transfers or 12-bit interleaved transfers. In full-duplex systems, the interface supports a 12-bit interleaved ADC bus and a 12-bit interleaved TxDAC bus. The flexible I/O bus reduces pin count, also reducing the required package size on the AD9863 and the device to which it connects.

The AD9863 can use either mode pins or a serial programmable interface (SPI) to configure the interface bus, operate the ADC in a low power mode, configure the TxDAC interpolation rate, and control ADC and TxDAC power-down. The SPI provides more programmable options for both the TxDAC path (for example, coarse and fine gain control and offset control for channel matching) and the ADC path (for example, the internal duty cycle stabilizer and twos complement data format).

The AD9863 is packaged in a 64-lead LFCSP (low profile, fine pitched, chip scale package). The 64-lead LFCSP footprint is only 9 mm × 9 mm and is less than 0.9 mm high, fitting into such tightly spaced applications as PCMCIA cards.


  • Broadband access
  • Broadband LAN
  • Communications (modems)

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

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

Evaluation Kits (2)

Tools & Simulations

IBIS Models

AD9863 IBIS Models

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
AD9863BCPZ-50 Material Declaration Reliability Data 64-Lead LFCSP (9mm x 9mm x 0.75mm w/ EP)
AD9863BCPZRL-50 Material Declaration Reliability Data 64-Lead LFCSP (9mm x 9mm x 0.75mm w/ EP)
Wafer Fabrication Data

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Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.