LTC1864L

PRODUCTION

µPower, 3V, 16-Bit, 150ksps 1- and 2-Channel ADCs in MSOP

Data Sheet Product Selection Table
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Overview

  • 16-Bit 150ksps ADCs in MSOP Package
  • Single 3V Supply
  • Low Supply Current: 450µA (Typ)
  • Auto Shutdown Reduces Supply Current to 10µA at 1ksps
  • True Differential Inputs
  • 1-Channel (LTC1864L) or 2-Channel (LTC1865L) Versions
  • SPI/MICROWIRE™ Compatible Serial I/O
  • 16-Bit Upgrade to 12-Bit LTC1285/LTC1288
  • Pin Compatible with 12-Bit LTC1860L/LTC1861L
  • No Minimum Data Transfer Rate

The LTC1864L/LTC1865L are 16-bit A/D converters that are offered in MSOP and SO-8 packages and operate on a single 3V supply. At 150ksps, the supply current is only 450µA. The supply current drops at lower speeds because the LTC1864L/LTC1865L automatically power down between conversions. These 16-bit switched capacitor successive approximation ADCs include sample-and-holds. The LTC1864L has a differential analog input with an external reference pin. The LTC1865L offers a software-selectable 2-channel MUX and an external reference pin on the MSOP version.

The 3-wire, serial I/O, small MSOP or SO-8 package and extremely high sample rate-to-power ratio make these ADCs ideal choices for compact, low power, high speed systems.

These ADCs can be used in ratiometric applications or with external references. The high impedance analog inputs and the ability to operate with reduced spans down to 1V full scale allow direct connection to signal sources in many applications, eliminating the need for external gain stages.

Applications

  • High Speed Data Acquisition
  • Portable or Compact Instrumentation
  • Low Power Battery-Operated Instrumentation
  • Isolated and/or Remote Data Acquisition
LTC1864L
µPower, 3V, 16-Bit, 150ksps 1- and 2-Channel ADCs in MSOP
Single 3V Supply, 150ksps, 16-Bit Sampling ADC Supply Current vs Sampling Frequency Product Package 1 Product Package 2 Product Package 3 Product Package 4
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Documentation

Data Sheet 1

Reliability Data 1

User Guide 1

Data Sheet

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

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Software Resources

Evaluation Software 2

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
Analog to Digital Converters (ADCs) 3
LTC2381-16
PRODUCTION 16-Bit, 250ksps, Low Power SAR ADC with Serial Interface
LTC2376-16
PRODUCTION 16-Bit, 250ksps, Low Power SAR ADC with 97dB SNR
LTC2364-16
PRODUCTION 16-Bit, 250ksps, Pseudo-Differential Unipolar SAR ADC with 94.7dB SNR
Interface Transceivers & Isolators 1
LTM2883
PRODUCTION SPI/Digital or I2C μModule Isolator with Adjustable ±12.5V and 5V Regulated Power
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Tools & Simulations

Linduino 3

Evaluation Kits

eval board
schematic 1
DC547A

LTC1864LAIMS8 | 3V, 16-Bit, 150ksps µpower ADC with Serial Interface and Differential Input in MS-8 Package (Requires DC718 Controller)

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Product Details

DC547A: Demo Board for LTC1864L µPower, 3V, 16-Bit, 150ksps 1- and 2-Channel ADCs in MSOP.
DC547A
LTC1864LAIMS8 | 3V, 16-Bit, 150ksps µpower ADC with Serial Interface and Differential Input in MS-8 Package (Requires DC718 Controller)
DC547A - Schematic

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