LTC2379-18

PRODUCTION

18-Bit, 1.6Msps, Low Power SAR ADC with 101.2dB SNR

Data Sheet Product Selection Table
Part Models
10
1ku List Price
Starting From $35.32
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Part Details

  • 1.6Msps Throughput Rate
  • ±2LSB INL (Max)
  • Guaranteed 18-Bit No Missing Codes
  • Low Power: 18mW at 1.6Msps, 18μW at 1.6ksps
  • 101.2dB SNR (typ) at fIN = 2kHz
  • –120dB THD (typ) at fIN = 2kHz
  • Digital Gain Compression (DGC)
  • Guaranteed Operation to 125°C
  • 2.5V Supply
  • Fully Differential Input Range ±VREF
  • VREF Input Range from 2.5V to 5.1V
  • No Pipeline Delay, No Cycle Latency
  • 1.8V to 5V I/O Voltages
  • SPI-Compatible Serial I/O with Daisychain Mode
  • Internal Conversion Clock
  • 16-pin MSOP and 4mm × 3mm DFN Packages
LTC2379-18
18-Bit, 1.6Msps, Low Power SAR ADC with 101.2dB SNR
32k Point FFT fS = 1.6Msps, fIN = 2kHz Product Package 1 Product Package 2
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Documentation

Data Sheet 1

Reliability Data 1

User Guide 3

Application Note 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

LinearLab Tools

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

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.

Hardware Ecosystem

Parts Product Life Cycle Description
Fully Differential Amplifiers 1
LTC6362
LAST TIME BUY Precision, Low Power Rail-to-Rail Input/Output Differential Op Amp/SAR ADC Driver
Series Voltage References 1
LTC6655
PRODUCTION 0.25ppm Noise, Low Drift Precision References
Single Channel A/D Converters 1
LTC2389-18
PRODUCTION 18-Bit, 2.5Msps SAR ADC with Pin-Configurable Analog Input Range and 99.8dB SNR
Single-Ended to Differential Amplifiers 1
LT6350
RECOMMENDED FOR NEW DESIGNS Low Noise Single-Ended to Differential Converter/ADC Driver
SPI Isolators 1
LTM2893
PRODUCTION 100MHz Isolated ADC Serial Interface
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Tools & Simulations

IBIS Model 1

Evaluation Kits

eval board
schematic 1
DC1783A-E

LTC2379-18 with LTC6655-5/LT6350 Demo Board | 18-Bit, 1.6Msps, SAR ADC with 101dB SNR. Requires DC718 or DC2026

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Product Details

The LTC2380/LTC2379/LTC2378/LTC2377/LTC2376 are low power, low noise ADCs with serial outputs that can operate from a single 2.5V supply. The demo manual refers to the LTC2379-18 but applies to all parts in the family, the only difference being the maximum sample rates and the number of bits. The LTC2379-18 supports a ±5V fully differential input range with a 101dB SNR, consumes only 18mW and achieves ±2LSB INL max with no missing codes at 18-bits. The DC1783A demonstrates the DC and AC performance of the LTC2379-18 in conjunction with the DC590 QuikEval™ and DC718 PScope™ data collection boards.

eval board
schematic 2
DC1805A-E

LTC6362 with 1.6Msps 18-bit LTC2379-18 Demo Board | SAR ADC, LTC6655-5. Requires DC718 or DC2026

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Product Details

The LTC6362 is a low power, low noise differential op amp with rail-to-rail input and output swing that has been optimized to drive low power SAR ADCs. The amplifier may be configured to buffer a fully differential input signal or convert a single-ended input signal to a differential output signal.

eval board
schematic 3
schematic 4
DC1858A

Low Noise, Low Distortion Sine Wave Generator for LTC2379/LTC2369 SAR ADC Family, FOUT=2kHz

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Product Details

DC1858A Demo Board for:
LTC2379-18 18-Bit, 1.6Msps, Low Power SAR ADC with 101dB SNR
LTC2369-18 18-Bit, 1.6Msps, Pseudo- Differential Unipolar SAR ADC with 96.5dB SNR.


 
DC1783A-E
LTC2379-18 with LTC6655-5/LT6350 Demo Board | 18-Bit, 1.6Msps, SAR ADC with 101dB SNR. Requires DC718 or DC2026
DC1783A-E - Schematic
DC1805A-E
LTC6362 with 1.6Msps 18-bit LTC2379-18 Demo Board | SAR ADC, LTC6655-5. Requires DC718 or DC2026
DC1805A-A - Schematic
DC1858A
Low Noise, Low Distortion Sine Wave Generator for LTC2379/LTC2369 SAR ADC Family, FOUT=2kHz
DC1858A Demo Board DC1858A - Schematic

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