LTC2248
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LTC2248

14-Bit, 65Msps Low Power 3V ADCs

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IBIS Model LTC2249 - IBIS Model Download 40.00KB
Part Models 4
1ku List Price Starting From $33.12
Features
  • Sample Rate: 65Msps/40Msps/25Msps
  • Single 3V Supply (2.7V to 3.4V)
  • Low Power: 205mW/120mW/75mW
  • 74.3dB SNR
  • 90dB SFDR
  • No Missing Codes
  • Flexible Input: 1VP-P to 2VP-P Range
  • 575MHz Full Power Bandwidth S/H
  • Clock Duty Cycle Stabilizer
  • Shutdown and Nap Modes
  • Pin Compatible Family
    • 125Msps: LTC2253 (12-Bit), LTC2255 (14-Bit)
    • 105Msps: LTC2252 (12-Bit), LTC2254 (14-Bit)
    • 80Msps: LTC2229 (12-Bit), LTC2249 (14-Bit)
    • 65Msps: LTC2228 (12-Bit), LTC2248 (14-Bit)
    • 40Msps: LTC2227 (12-Bit), LTC2247 (14-Bit)
    • 25Msps: LTC2226 (12-Bit), LTC2246 (14-Bit)
    • 10Msps: LTC2225 (12-Bit), LTC2245 (14-Bit)
  • 32-Pin (5mm × 5mm) QFN Package
Additional Details
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The LTC2248/LTC2247/LTC2246 are 14-bit 65Msps/40Msps/25Msps, low power 3V A/D converters designed for digitizing high frequency, wide dynamic range signals. The LTC2248/LTC2247/LTC2246 are perfect for demanding imaging and communications applications with AC performance that includes 74.3dB SNR and 90dB SFDR for signals at the Nyquist frequency.

DC specs include ±1LSB INL (typ), ±0.5LSB DNL (typ) and no missing codes over temperature. The transition noise is a low 1LSBRMS.

A single 3V supply allows low power operation. A separate output supply allows the outputs to drive 0.5V to 3.6V logic.

A single-ended CLK input controls converter operation. An optional clock duty cycle stabilizer allows high performance at full speed for a wide range of clock duty cycles.

Applications

  • Wireless and Wired Broadband Communication
  • Imaging Systems
  • Ultrasound
  • Spectral Analysis
  • Portable Instrumentation
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Documentation View All Documentation
IBIS Model LTC2249 - IBIS Model Download 40.00KB
Part Models 4
1ku List Price Starting From $33.12
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LTC2248

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Data Sheet

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UPDATED 08/31/2007
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LTC2248/LTC2247/LTC2246: 14-Bit, 65/40/25Msps Low Power 3V ADCs Data Sheet

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UPDATED 05/16/2017
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LTC2248/LTC2247/LTC2246: 14 ビット、65 ／ 40 ／ 25 Msps 低消費電力 3 V ADC データシート

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User Guide

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UPDATED 01/12/2012
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UPDATED 03/26/2018
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Documentation

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 Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
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LTC2248CUH#TRPBF 32-Lead QFN (5mm x 5mm x 0.75mm w/ EP) external-link
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LTC2248IUH#PBF 32-Lead QFN (5mm x 5mm x 0.75mm w/ EP) external-link
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  • Reliablity Data external-link
LTC2248IUH#TRPBF 32-Lead QFN (5mm x 5mm x 0.75mm w/ EP) external-link
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Feb 20, 2022

- 21_0269

Addition of Alternate Assembly Site ASE Taiwan for Select LFCSP Products

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Addition of Alternate Assembly Site ASE Taiwan for Select LFCSP Products

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Software & Part Ecosystem

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

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    PScope
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    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.

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    Evaluation Kits 2

    reference details image

    DC782A-B

    LTC2248IUH | High Speed ADC, VDD = +3.0V, 65Msps, 14-Bit 1MHz < AIN < 70MHz, Requires DC718

    reference details image

    DC782A-R

    LTC2248IUH | High Speed ADC, VDD = +3.0V, 65Msps, 14-Bit 70MHz < AIN < 170MHz, Requires DC718

    Evaluation Kits2

    evaluation kit item images

    DC782A-B

    LTC2248IUH | High Speed ADC, VDD = +3.0V, 65Msps, 14-Bit 1MHz < AIN < 70MHz, Requires DC718
    evaluation kit item images

    DC782A-R

    LTC2248IUH | High Speed ADC, VDD = +3.0V, 65Msps, 14-Bit 70MHz < AIN < 170MHz, Requires DC718

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