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AD7273:  3 MSPS 10-Bit ADC in TSOT and MSOP Packages

Product Details


The AD7273 is a 10-bit, high speed, low power, successive-approximation ADC. The part operates from a single 2.35V to 3.6 V power supply and features throughput rates up to 3 MSPS. The part contains a low-noise, wide bandwidth track/hold amplifier which can handle input frequencies in excess of 30 MHz.

The conversion process and data acquisition are controlled          using CS and the serial clock, allowing the devices to interface with microprocessors or DSPs. The input signal is sampled on the falling edge of CS and the conversion is also initiated at this point. The conversion rate is determined by the SCLK. There are no pipeline delays associated with the part.

The AD7273 uses advanced design techniques to achieve very low power dissipation at high throughput rates.

The reference for the part is applied externally and can be in the range of 1.2 V to VDD. This allows the widest dynamic input range to the ADC.

Applications

  • Battery-Powered Systems
  • - Personal Digital Assistants
    - Medical Instruments
    - Mobile Communications
  • Instrumentation and Control Systems
  • Data Acquisition Systems
  • High-Speed Modems
  • Optical Sensors
  • FEATURES and BENEFITS

    • Fast Throughput Rate: 3 MSPS
    • Specified for VDD of 2.35 V to 3.6 V
    • Low Power: 13.5 mW at 3 MSPS with 3 V Supplies
    • Wide Input Bandwidth: 70 dB SNR at 1 MHz Input Frequency
    • Flexible Power/Serial Clock Speed Management
    • No Pipeline Delays
    • High Speed Serial Interface SPI®/
      QSPI™/MICROWIRE™/
      DSP Compatible
    • Power Down Mode: 1 µA max
    • 8-Lead TSOT Package
    • 8-Lead MSOP Package
    • 12-Bit Version: AD7274

    Functional Block Diagram for AD7273

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    Documentation

    Title Content Type File Type
    AD7273/AD7274:3 MSPS, 10-/12-Bit ADCs in 8-Lead TSOT Data Sheet  (Rev 0, 03/2006) (pdf, 1306 kB) Data Sheets PDF
    MS-2210: Designing Power Supplies for High Speed ADC  (pdf, 327 kB) Technical Articles PDF
    8- to 18-Bit SAR ADCs ... From the Leader in High Performance Analog  (pdf, 1885 kB)
    8- to 18-Bit SAR ADCs with Sample Rates up to 3 MSPS -- The latest additions to ADI’s ADC portfolio offer unrivaled functionality in terms of channel count and power supply voltage, optimal power/speed ratios, and the smallest packages to meet the demands of any data acquisition application, including portable, industrial, medical, wireless, and communications.
    Overview PDF
    RAQs index Rarely Asked Questions HTML
    Glossary of EE Terms Glossary HTML

    Evaluation Kits & Symbols & Footprints

    Symbols and Footprints— Analog Devices offers Symbols & Footprints which are compatible with a large set of today’s CAD systems for broader and easier support.

    SampleSample & Buy

    Price, packaging, availability

    AD7273 Model Options
    Model Package Pins Temp.
    Range
    Packing,
    Qty
    Price*(100-499) Price*1000 pcs RoHS View PCN/ PDN Check Inventory/
    Purchase/Sample
    AD7273BRMZ Status: Production 8 ld MSOP 8 Ind Tube, 50 $4.46 $3.80 Y  Material Info PCN Purchase Sample
    AD7273BRMZ-REEL Status: Production 8 ld MSOP 8 Ind Reel, 3000 - $3.80 Y  Material Info PCN Purchase
    AD7273BUJZ-500RL7 Status: Production 8 ld TSOT 8 Ind Reel, 500 $4.46 $3.80 Y  Material Info PCN Purchase Sample
    AD7273BUJZ-REEL7 Status: Production 8 ld TSOT 8 Ind Reel, 3000 - $3.80 Y  Material Info PCN Purchase
    Price Table Help

    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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