LTC2314-14

PRODUCTION

14-Bit, 4.5Msps Serial Sampling ADC in TSOT

Data Sheet Product Selection Table
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Overview

  • 4.5Msps Throughput Rate
  • Guaranteed 14-Bit No Missing Codes
  • Internal Reference: 2.048V/4.096V Span
  • Low Noise: 77.5dB SNR
  • Low Power: 6.2mA at 4.5Msps and 5V
  • Dual Supply Range: 3V/5V operation
  • Sleep Mode with < 1μA Typical Supply Current
  • Nap Mode with Quick Wake-up < 1 conversion
  • Separate 1.8V to 5V Digital I/O Supply
  • High Speed SPI-Compatible Serial I/O
  • Guaranteed Operation from –40°C to 125°C
  • 8-Lead TSOT-23 Package

The LTC2314-14 is a 14-bit, 4.5Msps, serial sampling A/D converter that draws only 6.2mA from a wide range analog supply adjustable from 2.7V to 5.25V. The LTC2314-14 contains an integrated bandgap and reference buffer which provide a low cost, high performance (20ppm/°C max) and space saving applications solution. The LTC2314-14 achieves outstanding AC performance of 77dB SINAD and –85dB THD while sampling a 500kHz input frequency. The extremely high sample rate-to-power ratio makes the LTC2314-14 ideal for compact, low power, high speed systems. The LTC2314-14 also provides both nap and sleep modes for further optimization of the device power within a system.

The LTC2314-14 has a high-speed SPI-compatible serial interface that supports 1.8V, 2.5V, 3V and 5V logic. The fast 4.5Msps throughput makes the LTC2314-14 ideally suited for a wide variety of high speed applications.

Applications

  • Communication Systems
  • High Speed Data Acquisition
  • Handheld Terminal Interface
  • Medical Imaging
  • Uninterrupted Power Supplies
  • Battery Operated Systems
  • Automotive
LTC2314-14
14-Bit, 4.5Msps Serial Sampling ADC in TSOT
5V Supply, Internal Reference, 4.5Msps, 14-bit Sampling ADC 32k Point FFT, fS = 4.5Msps, fIN = 500kHz Product Package 1
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Documentation

Data Sheet 1

Reliability Data 1

User Guide 1

Design Note 1

Technical Articles 2

Data Sheet

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

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Software Resources

Evaluation Software 3

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
Interface Transceivers & Isolators 1
LTM2883
PRODUCTION SPI/Digital or I2C μModule Isolator with Adjustable ±12.5V and 5V Regulated Power
Operational Amplifiers (Op Amps) 2
LT6236
RECOMMENDED FOR NEW DESIGNS Rail-to-Rail Output 215MHz, 1.1nV/√Hz Op Amp/ SAR ADC Driver
LT6230
PRODUCTION 215MHz, Rail-to-Rail Output, 1.1nV/√Hz, 3.5mA Op Amp Family
Voltage References 1
LTC6655
PRODUCTION 0.25ppm Noise, Low Drift Precision References
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Tools & Simulations

Linduino 3

Evaluation Kits

eval board
schematic 1
schematic 2
schematic 3
schematic 4
schematic 5
DC1563A-F

LTC2314-14 Demo Board | 14-Bit, 4.5Msps Serial SAR ADC with 20ppm/°C (Max) Internal Reference in TSOT-8 (Requires DC2026 or DC718)

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Product Details

DC1563A-F: Demo Board for the LTC2314-14 14-Bit, 4.5Msps Serial Sampling ADC in TSOT.


 
DC1563A-F
LTC2314-14 Demo Board | 14-Bit, 4.5Msps Serial SAR ADC with 20ppm/°C (Max) Internal Reference in TSOT-8 (Requires DC2026 or DC718)
DC1563A-F Demo Board DC1563A-F Demo Board DC1563A-F Demo Board DC1563A-F Demo Board DC1563A-A - Schematic

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