LTC2311-16

PRODUCTION

16-Bit, 5Msps Differential Input ADC with Wide Input Common Mode Range

Data Sheet (Rev. B) Product Selection Table
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Overview

  • 5Msps Throughput Rate
  • ±3LSB INL (Typ), ±8LSB INL Guaranteed
  • Guaranteed 16-Bit, No Missing Codes
  • 8VP-P Differential Inputs with Wide Input Common Mode Range
  • 81dB SNR (Typ) at fIN = 2.2MHz
  • –90dB THD (Typ) at fIN = 2.2MHz
  • Guaranteed Operation –40°C to 125°C
  • Single 3.3V or 5V Supply
  • Low Drift (20ppm/°C Max) 2.048V or 4.096V Internal Reference with 1.25V External Reference Input
  • 1.8V to 2.5V I/O Voltages
  • CMOS or LVDS SPI-Compatible Serial I/O
  • Power Dissipation 50mW at VDD = 5V (Typ)
  • Small 16-Lead (4mm × 5mm) MSOP Package

The LTC2311-16 is a low noise, high speed 16-bit successive approximation register (SAR) ADC with differential inputs and wide input common mode range. Operating from a single 3.3V or 5V supply, the LTC2311- 16 has an 8VP-P differential input range, making it ideal for applications which require a wide dynamic range with high common mode rejection. The LTC2311-16 achieves ±3LSB INL typical, no missing codes at 16 bits and 81dB SNR typical.

The LTC2311-16 has an onboard low drift (20ppm/°C max) 2.048V or 4.096V temperature-compensated reference and provides an external 1.25V buffered reference input. The LTC2311-16 also has a high speed SPI-compatible serial interface that supports CMOS or LVDS. The fast 5Msps throughput with one-cycle latency makes the LTC2311-16 ideally suited for a wide variety of high speed applications. The LTC2311-16 dissipates only 50mW with a 5V supply and offers nap and sleep modes to reduce the power consumption to 5μW for further power savings during inactive periods.

Applications

  • High Speed Data Acquisition Systems
  • Communications
  • Remote Data Acquisition
  • Imaging
  • Optical Networking
  • Automotive
  • Multiphase Motor Control
LTC2311-16
16-Bit, 5Msps Differential Input ADC with Wide Input Common Mode Range
DIFFERENTIAL INPUTS NO CONFIGURATION REQUIRED 32k Point FFT fSMPL = 5Msps, fIN = 2.2MHz Product Package 1
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Documentation

Data Sheet 1

Reliability Data 1

User Guide 1

Technical Articles 1

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Software Resources

Evaluation Software 2

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
Analog to Digital Converters (ADCs) 1
LTC2385-16
PRODUCTION 16-Bit, 5Msps SAR ADC
Operational Amplifiers (Op Amps) 2
LT1818
PRODUCTION 400MHz, 2500V/μs, 9mA Single Operational Amplifiers
LT6200
PRODUCTION 165MHz, Rail-to-Rail Input and Output, 0.95nV/√Hz Low Noise, Op Amp Family
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Tools & Simulations

LTspice 1

Models for the following parts are available in LTspice:

  • LTC2311-12
  • LTC2311-14
  • LTC2311-16
LTspice

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.

Evaluation Kits

eval board
schematic 1
schematic 2
schematic 3
schematic 4
schematic 5
DC2425A-A

LTC2311-16 Demo Board | 16-Bit, 5Msps True Differential Input Serial SAR ADC (Requires DC890)

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Product Details

Demonstration circuit 2425A features the LTC2311 family. With up to 5Msps, these differential, single channel, 16-bit, serial, high speed successive approximation register (SAR) ADCs are available in a 16-lead MSOP package. The LTC2311 family has an internal 20ppm/°C maximum drift reference and an SPI-compatible serial interface that supports CMOS and LVDS logic. Note the demo board is configured for CMOS operation by default; see the note under JP3 for LVDS operation. The demo manual refers to the LTC2311, but applies to all members of the family, the only difference being the sample rate and/or the number of bits.
DC2425A-A
LTC2311-16 Demo Board | 16-Bit, 5Msps True Differential Input Serial SAR ADC (Requires DC890)
DC2425A-A Demo Board DC2425A-A Demo Board DC2425A-A Demo Board DC2425A-A Demo Board DC2425A - Demo Board Image

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