AD9484

8-Bit, 500 MSPS, 1.8 V Analog-to-Digital Converter
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Product Details

The AD9484 is an 8-bit, monolithic, sampling analog-to-digital converter (ADC) optimized for high performance, low power, and ease of use. The part operates at up to a 500 MSPS conversion rate and is optimized for outstanding dynamic performance in wideband carrier and broadband systems. All necessary functions, including a sample-and-hold and voltage reference, are included on the chip to provide a complete signal conversion solution. The VREF pin can be used to monitor the internal reference or provide an external voltage reference (external reference mode must be enabled through the SPI port).

The ADC requires a 1.8 V analog voltage supply and a differential clock for full performance operation. The digital outputs are LVDS (ANSI-644) compatible and support twos complement, offset binary format, or Gray code. A data clock output is available for proper output data timing.

Fabricated on an advanced BiCMOS process, the AD9484 is available in a 56-lead LFCSP, and is specified over the industrial temperature range (−40°C to +85°C). This product is protected under U.S. and international patents.

APPLICATIONS

  • Wireless and wired broadband communications
  • Cable reverse path
  • Communications test equipment
  • Low cost digital oscilloscopes
  • Satellite subsystems
  • Power amplifier linearization
PRODUCT HIGHLIGHTS

  1. High Performance.
    Maintains 47 dBFS SNR at 500 MSPS with a 250 MHz input.
  2. Ease of Use.
    LVDS output data and output clock signal allow interface to current FPGA technology. The on-chip reference and sample and hold provide flexibility in system design. Use of a single 1.8 V supply simplifies system power supply design.
  3. Serial Port Control.
    Standard serial port interface supports various product functions, such as data formatting, disabling the clock duty cycle stabilizer, power-down, gain adjust, and output test pattern generation.
  4. Pin compatible with AD9434, 12-bit 500Msps and AD9230, 12-bit 250Msps ADCs.

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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Product Recommendations

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AD9484 Companion parts

Recommended Clock Drivers

Recommended Driver Amplifiers

  • For differential RF/IF , we recommend the ADL5562 .
  • For DC-coupled inputs , we recommend the ADA4927-1 .

Recommended IF Digital Variable Gain Amplifier

  • For a fully differential input and output DVGA in digital communications systems , we recommend the ADL5201, ADL5202 or the ADL5240 .

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.

AD9484 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.