AD9643

14-Bit, 170/210/250 MSPS, 1.8 V Dual Analog-to-Digital Converter (ADC)
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Product Details

The AD9643 is a dual 14-bit, analog-to-digital converter (ADC) with sampling speeds up to 250 MSPS. The AD9643 is designed to support communications applications where low cost, small size, wide bandwidth and versatility are desired.

The dual ADC core features a multistage, differential pipelined architecture with integrated output error correction logic. Each ADC features wide bandwidth inputs supporting a variety of user-selectable input ranges. An integrated voltage reference eases design considerations. A duty cycle stabilizer is provided to compensate for variations in the ADC clock duty cycle, allowing the converters to maintain excellent performance.

The ADC output data are routed directly to the two external 14- bit LVDS output ports and formatted either as interleaved or channel multiplexed.

Flexible power-down options allow significant power savings, when desired.

Programming for setup and control are accomplished using a 3- wire SPI-compatible serial interface.

The AD9643 is available in a 64-lead LFCSP and is specified over the industrial temperature range of −40°C to +85°C.

APPLICATIONS
  • Communications
  • Diversity radio systems
  • Multimode digital receivers (3G)
    TD-SCDMA, WiMax, WCDMA,
    CDMA2000, GSM, EDGE, LTE
  • I/Q demodulation systems
  • Smart antenna systems
  • General-purpose software radios
  • Ultrasound equipment
  • Broadband data applications

PRODUCT HIGHLIGHTS

  1. Integrated dual, 14-bit, 170/210/250 MSPS ADC.
  2. Operation from a single 1.8V supply and a separate digital output driver supply accommodating LVDS outputs.
  3. Proprietary differential input maintains excellent SNR performance for input frequencies up to 300 MHz.
  4. SYNC input allows synchronization of multiple devices.
  5. 3-pin, 1.8V SPI port for register programming and register readback.
  6. Pin compatibility with the AD9613 allowing a simple migration down from 14 bits to 12 bits.

Product Lifecycle

checked Recommended for New Designs

This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.

Evaluation Kits

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AD-FMCOMMS1-EBZ Circuit Diagram

Product Details

The AD-FMCOMMS1-EBZ high-speed analog module is designed to showcase the latest generation high-speed data converters. The AD-FMCOMMS1-EBZ provides the analog front-end for a wide range of compute-intensive FPGA-based radio applications.

The AD-FMCOMMS1-EBZ is an analog front end hardware platform that addresses a broad range of research, academic, industrial and defense applications. The AD-FMCOMMS1-EBZ enables RF applications from 400MHz to 4 GHz. The module is customizable to a wide range of frequencies by software without any hardware changes, providing options for GPS or IEEE 1588 Synchronization, and MIMO configurations.

When combined with the Xilinx ZYNQ® Software-Defined Radio Kit, AD-FMCOMMS1-EBZ enables a variety of wireless communications functions at the physical layer, from baseband to RF. With up to 4 GB of flash storage space, 512 MB of RAM, Gigabit Ethernet interface (depending on the base platform) and a Linux image built specifically for the AD-FMCOMMS1-EBZ, you can get everything you need for a easy out of the box experience. The platform offers enough flexibility for many applications, and supports streaming data, and standard web interfaces to analyze transmitted RF data.


Applications

  • Electronic test and measurement equipment
  • General-purpose software radios
  • Radar systems
  • Ultra wideband satellite receivers
  • Point to point communication systems

Documentation

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Tools & Simulations

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VisualAnalog

IBIS Models

Design Tools

Reference Designs

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Product Recommendations

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AD9643 Companion parts

Recommended Clock Drivers

Recommended Driver Amplifiers

  • For a fully differential input and output DVGA in digital communications systems , we recommend the ADL5202 or the AD8376 .
  • For differential RF/IF , we recommend the ADL5562 .
  • For DC-coupled inputs , we recommend the ADA4927-2 or the ADA4938-2 .

Design Resources

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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.

AD9643 Material Declaration
PCN-PDN Information Quality And Reliability Symbols and Footprints

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The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.


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Evaluation Boards Pricing displayed is based on 1-piece.
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.