LTC2387-18
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LTC2387-18

18-Bit, 15Msps SAR ADC

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Part Details
Part Models 4
1ku List Price Starting From $34.79
Features
  • 15Msps Throughput Rate
  • No Pipeline Delay, No Cycle Latency
  • 95.7dB SNR (Typ) at fIN = 1MHz
  • 102dB SFDR (Typ) at fIN = 1MHz
  • Nyquist Sampling Up to 7.5MHz Input
  • Guaranteed 18-Bit, No Missing Codes
  • ±3LSB INL (Max)
  • 8.192VP-P Differential Inputs
  • 5V and 2.5V Supplies
  • Internal 20ppm/°C (Max) Reference
  • Serial LVDS Interface
  • 125mW Power Dissipation
  • 32-Pin (5mm × 5mm) QFN Package
Additional Details
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The LTC2387-18 is a low noise, high speed, 18-bit 15Msps successive approximation register (SAR) ADC ideally suited for a wide range of applications. The combination of excellent linearity and wide dynamic range makes the LTC2387-18 ideal for high speed imaging and instrumentation applications. No latency operation provides a unique solution for high speed control loop applications. The very low distortion at high input frequencies enables communications applications requiring wide dynamic range and significant signal bandwidth.

To support high speed operation while minimizing the number of data lines, the LTC2387-18 features a serial LVDS digital interface. The LVDS interface has one-lane and two-lane output modes, allowing the user to optimize the interface data rate for each application.

Applications

  • High Speed Data Acquisition
  • Imaging
  • Communications
  • Control Loops
  • Instrumentation
  • ATE
Part Models 4
1ku List Price Starting From $34.79

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Documentation

Documentation

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

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Feb 20, 2022

- 21_0269

Addition of Alternate Assembly Site ASE Taiwan for Select LFCSP Products

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- 21_0269

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Addition of Alternate Assembly Site ASE Taiwan for Select LFCSP Products

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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.

 

DC2290 CPLD Source Code

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Evaluation Kit

Evaluation Kits 2

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DC2290A-A

LTC2387-18 Demo Board | 18-Bit, 15Msps SAR ADC (Requires DC718 and ADC Driver Board)

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DC2290A-A

LTC2387-18 Demo Board | 18-Bit, 15Msps SAR ADC (Requires DC718 and ADC Driver Board)

LTC2387-18 Demo Board | 18-Bit, 15Msps SAR ADC (Requires DC718 and ADC Driver Board)

Product Detail

Demonstration circuit 2290A features the LTC2387 family. With up to 15Msps, these differential input, single channel, 18-/16-Bit, serial, high speed successive approximation register (SAR) ADCs are available in a 32-Pin QFN package. The LTC2387 family has an internal 20ppm/°C reference and a serial LVDS interface. The demo manual refers to the LTC2387 but applies to all members of the family, the only difference being the sample rate and the number of bits. The DC2290A demonstrates the AC performance of the LTC2387 in conjunction with the DC718 data collection board. Differential amplifier demo boards are available separately that provide amplification of low level differential signals if required. Alternatively, by connecting the DC2290A into a customer application the performance of the LTC2387 can be evaluated directly in that circuit.

reference details image

DC2588A-A

LTC2387-18 Demo Board | 18-Bit, 15Msps SAR ADC Using ADA4899-1 ADC Driver (Requires DC718)

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DC2588A-A

LTC2387-18 Demo Board | 18-Bit, 15Msps SAR ADC Using ADA4899-1 ADC Driver (Requires DC718)

LTC2387-18 Demo Board | 18-Bit, 15Msps SAR ADC Using ADA4899-1 ADC Driver (Requires DC718)

Product Detail

Demonstration circuit 2588A features the LTC2387 family driven by a pair of ADA4899-1 driver amplifiers. With up to 15Msps, these differential input, single channel, 18-/16- Bit, serial, high speed successive approximation register (SAR) ADCs are available in a 32-Pin QFN package. The LTC2387 family has an internal 20ppm/°C reference and a serial LVDS interface. The demo manual refers to the LTC2387 but applies to all members of the family, the only difference being the sample rate and the number of bits.

Tools & Simulations

Tools & Simulations 4

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

To launch ready-to-run LTspice demonstration circuits for this part:

Step 1: Download and install LTspice on your computer.

Step 2: Click on the link in the section below to download a demonstration circuit.

Step 3: If LTspice does not automatically open after clicking the link below, you can instead run the simulation by right clicking on the link and selecting “Save Target As.” After saving the file to your computer, start LTspice and open the demonstration circuit by selecting ‘Open’ from the ‘File’ menu.

Reference Designs

Reference Designs 1

Figure 1. CN0577 Simplified Block Diagram

Analog Front End and Digital Interface for Serial LVDS SAR ADCs

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CN0577

Analog Front End and Digital Interface for Serial LVDS SAR ADCs

CN0577

Circuits from the lab

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Analog Front End and Digital Interface for Serial LVDS SAR ADCs

Features and Benefits

  • 18-Bit Resolution, 15 MSPS Data Acquisition System
  • Arbitrary Voltage Inputs Supported
  • All Clocking and Power Requirements are Onboard
  • FMC Connector for FPGA Interfacing
View Detailed Reference Design external link

Design & Integration Tools

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