LTC1740
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LTC1740

14-Bit, 6Msps, Sampling ADC

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Part Details
Part Models 4
1ku List Price Starting From $22.40
Features
  • 6Msps Sample Rate
  • 79dB S/(N + D) and 91dB SFDR at 2.5MHz fIN
  • Single 5V Supply or ±5V Supplies
  • Integral Nonlinearity Error: <1LSB
  • Differential Nonlinearity: < 0.5LSB
  • 80MHz Full-Power Bandwidth Sampling
  • ±2.5V and ±1.25V Bipolar Input Ranges
  • 2.5V Signal Ground Available
  • Out-of-Range Indicator
  • True Differential Inputs with 75dB CMRR
  • Power Dissipation: 245mW
  • 36-Pin SSOP Package (0.209 Inch Width)
Additional Details
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The LTC1740 is a 6Msps, 14-bit sampling A/D converter that draws only 245mW from either a single 5V or dual ±5V supplies. This easy-to-use device includes a high dynamic range sample-and-hold and a programmable precision reference.

The LTC1740 has a flexible input circuit that allows differential full-scale input ranges of ±2.5V and ±1.25V with the internal reference, or any full-scale input range up to ±2.5V with an external reference. The input common mode voltage is arbitrary, though a 2.5V reference is provided for single supply applications.

DC specifications include 1LSB typical INL, 0.5LSB typical DNL and no missing codes over temperature. Outstanding AC performance includes 79dB S/(N + D) and 91dB SFDR at an input frequency of 2.5MHz.

The unique differential input sample-and-hold can acquire single-ended or differential input signals up to its 80MHz bandwidth. The 75dB common mode rejection allows users to eliminate ground loops and common mode noise by measuring signals differentially from the source. A separate output logic supply allows direct connection to 3V components.

Applications

  • Telecommunications
  • Multiplexed Data Acquisition Systems
  • High Speed Data Acquisition
  • Spectral Analysis
  • Imaging Systems
Part Models 4
1ku List Price Starting From $22.40

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Documentation

Documentation

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

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Nov 18, 2019

- 19_0266

Laser Top Mark for SSOP36/44/48 Packages assembled in ADPG and UTAC

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- 19_0266

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Laser Top Mark for SSOP36/44/48 Packages assembled in ADPG and UTAC

LTC1740CG#PBF

PRODUCTION

LTC1740CG#TRPBF

PRODUCTION

LTC1740IG#PBF

PRODUCTION

LTC1740IG#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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