AD9683

14-Bit, 170 MSPS/250 MSPS, JESD204B, Analog-to-Digital Converter
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Product Details

The AD9683 is a 14-bit ADC with sampling speeds of up to 250 MSPS. The AD9683 is designed to support communications applications where low cost, small size, wide bandwidth, and versatility are desired.

The ADC core features a multistage, differential pipelined architecture with integrated output error correction logic. The ADC core 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 converter to maintain excellent performance. The JESD204B high speed serial interface reduces board routing requirements and lowers pin count requirements for the receiving device.

The ADC output data is routed directly to the JESD204B serial output lane. These outputs are at CML voltage levels. Data can be sent through the lane at the maximum sampling rate of 250 MSPS which results in a lane rate of 5 Gbps. Synchronization inputs (SYNCINB± and SYSREF±) are provided.

Flexible power-down options allow significant power savings, when desired. Programmable overrange level detection is supported via the dedicated fast detect pins.

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

The AD9683 is available in a 32-lead LFCSP and is specified over the industrial temperature range of −40°C to +85°C. This product is protected by a U.S. patent.

PRODUCT HIGHLIGHTS

  1. Integrated 14-bit, 170 MSPS/250 MSPS ADC.
  2. The configurable JESD204B output block supports lane rates up to 5 Gbps.
  3. An on-chip, phase-locked loop (PLL) allows users to provide a single ADC sampling clock; the PLL multiplies the ADC sampling clock to produce the corresponding JESD204B data rate clock.
  4. Support for an optional RF clock input to ease system board design.
  5. Proprietary differential input maintains excellent SNR performance for input frequencies of up to 400 MHz.
  6. Operation from a single 1.8 V power supply.
  7. Standard serial port interface (SPI) that supports various product features and functions such as controlling the clock DCS, power-down, test modes, voltage reference mode, over range fast detection, and serial output configuration.


APPLICATIONS

  • Communications
  • Diversity radio systems
  • Multimode digital receivers (3G)
    TD-SCDMA, WiMAX, WCDMA, CDMA2000, GSM, EDGE, LTE
  • DOCSIS 3.0 CMTS upstream receive paths
  • HFC digital reverse path receivers
  • Smart antenna systems
  • Electronic test and measurement equipment
  • Radar receivers
  • COMSEC radio architectures
  • IED detection/jamming systems
  • General-purpose software radios
  • Broadband data applications
  • Ultrasound Equipment

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.

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AD9683 Companion Parts

Recommended Clock Drivers

Recommended Driver Amplifiers

  • For a fully differential input and output DVGA in digital communications systems , we recommend the ADL5201 or the AD8375 .
  • For differential RF/IF , we recommend the ADL5562 .
  • For DC-coupled inputs , we recommend the ADA4927-1 or the ADA4938-1 .

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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.

AD9683 Material Declaration
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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.