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Overview

Features and Benefits

  • 2.5Msps Throughput Rate
  • ±1LSB INL (Max)
  • Guaranteed 16-Bit, No Missing Codes
  • Pin-Configurable Analog Input Range:
    • ±4.096V Fully Differential
    • 0V to 4.096V Pseudo-Differential Unipolar
    • ±2.048V Pseudo-Differential Bipolar
  • 96.0dB (Fully Differential)/93.5dB (Pseudo Differential) SNR (Typ) at fIN = 2kHz
  • –116dB (Fully Differential)/–112dB (Pseudo Differential) THD (Typ) at fIN = 2kHz
  • Guaranteed Operation to 125°C
  • Single 5V Supply
  • Internal 20ppm/°C (Max) Reference
  • Internal Reference Buffer
  • 162.5mW Power Dissipation at 2.5Msps
  • No Pipeline Delay, No Cycle Latency
  • 1.8V to 5V I/O Voltages
  • Parallel and Serial I/O Interface
  • 48-pin 7mm × 7mm LQFP and QFN Packages

Product Details

The LTC2389-16 is a low noise, high speed 16-bit successive approximation register (SAR) ADC. Operating from a single 5V supply, the LTC2389-16 supports pinconfigurable fully differential (±4.096V), pseudo-differential unipolar (0V to 4.096V), and pseudo-differential bipolar (±2.048V) analog input ranges, allowing it to interface with multiple signal chain formats without requiring additional level translation or signal conditioning. The LTC2389-16 achieves ±1LSB INL (maximum), no missing codes at 16-bits, and 96.0dB (fully differential)/ 93.5dB (pseudo differential) SNR (typical).

The LTC2389-16 includes a precision internal 4.096V reference, with a guaranteed 0.5% initial accuracy and a ±20ppm/°C (maximum) temperature coefficient, as well as an internal reference buffer. Fast 2.5Msps throughput with no cycle latency in the parallel interface modes makes the LTC2389-16 ideally suited for a wide variety of high speed applications. An internal oscillator sets the conversion time, easing external timing considerations. The LTC2389-16 dissipates only 162.5mW at 2.5Msps, while both nap and sleep power-down modes are provided to further reduce power consumption during inactive periods.

Applications

  • Medical Imaging
  • High Speed, Wide Dynamic Range Data Acquisition
  • Industrial Process Control
  • Instrumentation
  • ATE

Product Categories

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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.

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Documentation & Resources

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  • Product Selector Card (4)
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    Software & Systems Requirements

    Evaluation Software

    LinearLab Tools
    A collection of Matlab and Python programs that provide direct access to Linear Technology’s data converter evaluation boards.

    PScope
    The PScope System is a USB-based product demonstration and data acquisition system for use with high performance ADCs and signal chain receiver family. PScope allows users to evaluate the SNR, SFDR, THD, as well as other key parameters, quickly and easily.

    Product Recommendations

    LTC2389-16 Companion Parts

    Recommended ADC Drivers

    Recommended External Voltage References

    Recommended Related Parts

    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.

    LTC2389-16 Material Declaration
    Quality And Reliability
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    PCN-PDN Information

    Select Model
    • LTC2389CLX-16#PBF Production
    • LTC2389HLX-16#PBF Production
    • LTC2389ILX-16#PBF Production

    Support & Discussions

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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.