LTC2260-12

PRODUCTION

12-Bit, 105Msps Ultralow Power 1.8V ADCs

Data Sheet Product Selection Table
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Overview

  • 70.8dB SNR
  • 85dB SFDR
  • Low Power: 124mW/103mW/87mW
  • Single 1.8V Supply
  • CMOS, DDR CMOS or DDR LVDS Outputs
  • Selectable Input Ranges: 1VP-P to 2VP-P
  • 800MHz Full-Power Bandwidth S/H
  • Optional Data Output Randomizer
  • Optional Clock Duty Cycle Stabilizer
  • Shutdown and Nap Modes
  • Serial SPI Port for Configuration
  • Pin Compatible 14-Bit and 12-Bit Versions
  • 40-Pin (6mm × 6mm) QFN Package

The LTC2261-12/LTC2260-12/LTC2259-12 are sampling 12-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 70.8dB SNR and 85dB spurious free dynamic range (SFDR). Ultralow jitter of 0.17psRMS allows undersampling of IF frequencies with excellent noise performance.

DC specs include ±0.3LSB INL (typical), ±0.1LSB DNL (typical) and no missing codes over temperature. The transition noise is a low 0.3LSBRMS.

The digital outputs can be either full-rate CMOS, double-data rate CMOS, or double-data rate LVDS. A separate output power supply allows the CMOS output swing to range from 1.2V to 1.8V.

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

Bits
LTC2260-12 12
LTC2260-14 14

Applications

  • Communications
  • Cellular Base Stations
  • Software Defined Radios
  • Portable Medical Imaging
  • Multi-Channel Data Acquisition
  • Nondestructive Testing
LTC2260-12
12-Bit, 105Msps Ultralow Power 1.8V ADCs
2-Tone FFT, fIN = 70MHz and 75MHz Product Package 1 Product Package 2 Product Package 3
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Documentation

Data Sheet 1

Reliability Data 1

User Guide 2

Technical Articles 1

Data Sheet

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

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Software Resources

Evaluation Software 1

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
LTC6406
LAST TIME BUY 3GHz, Low Noise, Rail-to-Rail Input Differential Amplifier/Driver
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
DC1370A-H

LTC2260-12 | 12-bit 105Msps ADC, CMOS Outputs, 5-170MHz, Requires DC890 and DC1075

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Product Details

DC1370A-H: Demo Board for the LTC2260-12 12-Bit, 105Msps Ultralow Power 1.8V ADCs

eval board
schematic 2
DC1369A-H

LTC2260-12 | 12-bit 105Msps ADC, LVDS Outputs, 5-170MHz, Requires DC890, LVDS_XFMR and DC1075

Buy Now View Details

Product Details

DC1369A-H: Demo Board for the LTC2260-12 12-Bit, 105Msps Ultralow Power 1.8V ADCs
DC1370A-H
LTC2260-12 | 12-bit 105Msps ADC, CMOS Outputs, 5-170MHz, Requires DC890 and DC1075
DC1370A-A - Schematic
DC1369A-H
LTC2260-12 | 12-bit 105Msps ADC, LVDS Outputs, 5-170MHz, Requires DC890, LVDS_XFMR and DC1075
DC1369A-A - Schematic

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