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  5. LTC2335-18

Data Sheet
JP
User Guides
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Evaluation Code
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Overview

Features and Benefits

  • 1Msps Throughput
  • ±3LSB INL (Maximum, ±10.24V Range)
  • Guaranteed 18-Bit, No Missing Codes
  • Differential, Wide Common Mode Range Inputs
  • 8-Channel Multiplexer with SoftSpan Input Ranges:
    • ±10.24V, 0V to 10.24V, ±5.12V, 0V to 5.12V
    • ±12.5V, 0V to 12.5V, ±6.25V, 0V to 6.25V
  • 96.7dB Single-Conversion SNR (Typical)
  • −109dB THD (Typical) at fIN = 2kHz
  • 118dB CMRR, 125dB Active Crosstalk (Typical)
  • Rail-to-Rail Input Overdrive Tolerance
  • Programmable Sequencer with No-Latency Control
  • Guaranteed Operation to 125°C
  • Integrated Reference and Buffer (4.096V)
  • SPI CMOS (1.8V to 5V) and LVDS Serial I/O
  • No Pipeline Delay, No Cycle Latency
  • 180mW Power Dissipation (Typical)
  • 48-Lead (7mm × 7mm) LQFP Package

Product Details

The LTC2335-18 is an 18-bit, low noise 8-channel multiplexed successive approximation register (SAR) ADC with differential, wide common mode range inputs. Operating from a 5V low voltage supply, flexible high voltage supplies, and using the internal reference and buffer, this SoftSpan™ ADC can be configured on a conversion-by-conversion basis to accept ±10.24V, 0V to 10.24V, ±5.12V, or 0V to 5.12V signals on any channel. Alternately, the ADC may be programmed to cycle through a sequence of channels and ranges without further user intervention.

The wide input common mode range and 118dB CMRR of the LTC2335-18 analog inputs allow the ADC to directly digitize a variety of signals, simplifying signal chain design. This input signal flexibility, combined with ±3LSB INL, no missing codes at 18 bits, and 96.7dB SNR, makes the LTC2335-18 an ideal choice for many high voltage applications requiring wide dynamic range.

The LTC2335-18 supports pin-selectable SPI CMOS (1.8V to 5V) and LVDS serial interfaces.

Applications

  • Programmable Logic Controllers
  • Industrial Process Control
  • Power Line Monitoring
  • Test and Measurement

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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.

Evaluation Kits (1)

Documentation & Resources

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  • Data Sheets (1)
  • Reliability Data (1)
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  • Product Selector Card (1)
  • Press Releases (1)
    • Document Type

    Software & Systems Requirements

    Evaluation Code

    ZIP
    33.00K

    DC2412A CPLD Source Code

    Evaluation Software

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

    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
    LTC2335CLX-18#PBF Material Declaration Reliability Data 48-Lead LQFP (7mm x 7mm)
    LTC2335HLX-18#PBF Material Declaration Reliability Data 48-Lead LQFP (7mm x 7mm)
    LTC2335ILX-18#PBF Material Declaration Reliability Data 48-Lead LQFP (7mm x 7mm)
    Wafer Fabrication Data R549 Reliability Data

    PCN-PDN Information

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    Select Model for PCN Information
    • LTC2335CLX-18#PBF Production
    • LTC2335HLX-18#PBF Production
    • LTC2335ILX-18#PBF Production

    Support & Discussions

    LTC2335-18 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.

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