LTC1747
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LTC1747

12-Bit, 80Msps Low Noise ADC

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Part Details
Part Models 4
1ku List Price Starting From $23.13
Features
  • Sample Rate: 80Msps
  • 72dB SNR and 85dB SFDR (3.2V Range)
  • 70.5dB SNR and 87dB SFDR (2V Range)
  • Pin Compatible with 14-Bit 80Msps LTC1748
  • No Missing Codes
  • Single 5V Supply
  • Power Dissipation: 1.4W
  • Selectable Input Ranges: ±1V or ±1.6V
  • 240MHz Full Power Bandwidth S/H
  • Pin Compatible Family
    • 25Msps: LTC1746 (14-Bit), LTC1745 (12-Bit)
    • 50Msps: LTC1744 (14-Bit), LTC1743 (12-Bit)
    • 65Msps: LTC1742 (14-Bit), LTC1741 (12-Bit)
    • 80Msps: LTC1748 (14-Bit), LTC1747 (12-Bit)
  • 48-Pin TSSOP Package
Additional Details
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The LTC1747 is an 80Msps, sampling 12-bit A/D converter designed for digitizing high frequency, wide dynamic range signals. Pin selectable input ranges of ±1V and ±1.6V along with a resistor programmable mode allow the LTC1747’s input range to be optimized for a wide variety of applications.

The LTC1747 is perfect for demanding communications applications with AC performance that includes 72dB SNR and 85dB spurious free dynamic range. Ultralow jitter of 0.15psRMS allows undersampling of IF frequencies with excellent noise performance. DC specs include ±1.5 LSB INL and ±0.8LSB DNL over temperature.

The digital interface is compatible with 5V, 3V, 2V and LVDS logic systems. The ENC and ENC inputs may be driven differentially from PECL, GTL and other low swing logic families or from single-ended TTL or CMOS. The low noise, high gain ENC and ENC inputs may also be driven by a sinusoidal signal without degrading performance. A separate output power supply can be operated from 0.5V to 5V, making it easy to connect directly to any low voltage DSPs or FIFOs.

The TSSOP package with a flow-through pinout simplifies the board layout.

Applications

  • Telecommunications
  • Receivers
  • Cellular Base Stations
  • Spectrum Analysis
  • Imaging Systems
Part Models 4
1ku List Price Starting From $23.13

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
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Product Lifecycle

PCN

Feb 14, 2019

- 19_0009

Assembly Site Transfer of Select 48L TSSOP Products from Amkor to ATEC Philippines

LTC1747CFW#PBF

PRODUCTION

LTC1747CFW#TRPBF

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LTC1747IFW#PBF

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Filter by Model

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Part Models

Product Lifecycle

PCN

Feb 14, 2019

- 19_0009

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Assembly Site Transfer of Select 48L TSSOP Products from Amkor to ATEC Philippines

LTC1747CFW#PBF

PRODUCTION

LTC1747CFW#TRPBF

PRODUCTION

LTC1747IFW#PBF

PRODUCTION

LTC1747IFW#TRPBF

PRODUCTION

Software & Part Ecosystem

Software & Part Ecosystem

 

LinearLab Tools

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

 

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 Kit

Evaluation Kits 2

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DC520B-E

LTC1747CFW | 12-Bit/80Msps Low Noise ADC, Ain < 40MHz (Requires DC718 Controller)

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DC520B-F

LTC1747CFW | 12-Bit/80Msps Low Noise ADC, Ain > 40MHz (Requires DC718 Controller)

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