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  2. A/D Converters (ADC)
  3. High Speed A/D Converters >10 MSPS
  4. Standard High Speed A/D Converters
  5. LTC2173-14

Data Sheet
JP
User Guides
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IBIS Models
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Overview

Features and Benefits

  • 4-Channel Simultaneous Sampling ADC
  • 73.1dB SNR
  • 88dB SFDR
  • Low Power: 558mW/450mW/376mW Total, 140mW/113mW/94mW per Channel
  • Single 1.8V Supply
  • Serial LVDS Outputs: 1 or 2 Bits per Channel
  • Selectable Input Ranges: 1VP-P to 2VP-P
  • 800MHz Full Power Bandwidth S/H
  • Shutdown and Nap Modes
  • Serial SPI Port for Configuration
  • Pin Compatible 14-Bit and 12-Bit Versions
  • 52-Pin (7mm × 8mm) QFN Package

Product Details

The LTC2175-14/LTC2174-14/LTC2173-14 are 4-channel, simultaneous sampling 14-bit A/D converters designed for digitizing high frequency, wide dynamic range signals. They are perfect for demanding communications applications with AC performance that includes 73.1dB SNR and 88dB spurious free dynamic range (SFDR). Ultralow jitter of 0.15psRMS allows undersampling of IF frequencies with excellent noise performance.

DC specs include ±1LSB INL (typ), ±0.3LSB DNL (typ) and no missing codes over temperature. The transition noise is a low 1.2LSBRMS.

The digital outputs are serial LVDS to minimize the number of data lines. Each channel outputs two bits at a time (2-lane mode). At lower sampling rates there is a one bit per channel option (1-lane mode). The LVDS drivers have optional internal termination and adjustable output levels to ensure clean signal integrity.

The ENC+ and ENC– inputs may be driven differentially or single-ended with a sine wave, PECL, LVDS, TTL, or CMOS inputs. An internal clock duty cycle stabilizer allows high performance at full speed for a wide range of clock duty cycles.


 Bits
LTC2173-12 12
LTC2173-14 14

Applications

  • Communications
  • Cellular Base Stations
  • Software Defined Radios
  • Portable Medical Imaging
  • Multichannel Data Acquisition
  • Nondestructive Testing

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Product Lifecycle icon-recommended Production

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

Evaluation Kits (1)

Documentation & Resources

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  • Data Sheets (1)
  • Reliability Data (1)
  • User Guides (1)
  • Product Selector Card (2)
  • Technical Articles (1)
    • Document Type

    Tools & Simulations

    IBIS Models

    Product Recommendations

    LTC2173-14 Companion Parts

    Recommended µModule Receiver

    Recommended ADC Drivers

    Recommended Related Parts

    Recommended Suggested Oscillator

    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
    LTC2173CUKG-14#PBF Material Declaration Reliability Data 52-Lead QFN (7mm x 8mm x 0.75mm w/ EP)
    LTC2173CUKG-14#TRPBF Material Declaration Reliability Data 52-Lead QFN (7mm x 8mm x 0.75mm w/ EP)
    LTC2173IUKG-14#PBF Material Declaration Reliability Data 52-Lead QFN (7mm x 8mm x 0.75mm w/ EP)
    LTC2173IUKG-14#TRPBF Material Declaration Reliability Data 52-Lead QFN (7mm x 8mm x 0.75mm w/ EP)
    Wafer Fabrication Data R538 Reliability Data

    Support & Discussions

    LTC2173-14 Contact ADI Technical Support »
    LTC2173-14 Ask your question »
    LTC2173-14 Contact ADI Technical Support » LTC2173-14 Ask your question »

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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.

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