LTC2252

PRODUCTION

12-Bit, 105Msps Low Power 3V ADCs

Data Sheet Product Selection Table
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Overview

  • Sample Rate: 125Msps/105Msps
  • Single 3V Supply (2.85V to 3.4V)
  • Low Power: 395mW/320mW
  • 70.2dB SNR
  • 88dB SFDR
  • No Missing Codes
  • Flexible Input: 1VP-P to 2VP-P Range
  • 640MHz 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

The LTC2253/LTC2252 are 12-bit 125Msps/105Msps, low power 3V A/D converters designed for digitizing high frequency, wide dynamic range signals. The LTC2253/LTC2252 are perfect for demanding imaging and communications applications with AC performance that includes 70.1dB SNR and 85dB SFDR for signals at the Nyquist frequency.

DC specs include ±0.3LSB INL (typ), ±0.15LSB DNL (typ) and no missing codes over temperature. The transition noise is a low 0.32LSBRMS.

A single 3V supply allows low power operation. A separate output supply allows the outputs to drive 0.5V to 3.3V 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
LTC2252
12-Bit, 105Msps Low Power 3V ADCs
LTC2253: SNR vs Input Frequency, –1dB, 2V Range, 125Msps Product Package 1
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Documentation

Data Sheet 1

Reliability Data 1

User Guide 1

Data Sheet

This is the most up-to-date revision of the Data Sheet.

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Software Resources

Evaluation Software 2

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.

LinearLab Tools

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

Hardware Ecosystem

Parts Product Life Cycle Description
Differential Amplifiers 1
LTC6400-14
LAST TIME BUY 2.4GHz Low Noise, Low Distortion Differential ADC Driver for 300MHz IF
Phase-Locked Loop (PLL) Synthesizers 1
LTC6946
LAST TIME BUY Ultralow Noise and Spurious 0.37GHz to 6.39GHz Integer-N Synthesizer with Integrated VCO
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Tools & Simulations

IBIS Model 1

Evaluation Kits

eval board
schematic 1
DC782A-V

LTC2252IUH | High Speed ADC, VDD = +3.0V, 105Msps, 12-Bit 10MHz < AIN < 170MHz, Requires DC718

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Product Details

DC782A-V: Demo Board for the LTC2252 12-Bit, 105Msps Low Power 3V ADCs.


 
DC782A-V
LTC2252IUH | High Speed ADC, VDD = +3.0V, 105Msps, 12-Bit 10MHz < AIN < 170MHz, Requires DC718
DC782A-A - Schematic

Latest Discussions

2 Years Ago
Clock LTC2252 via a rf transformer(single ended to single ended)
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