LTC1856

PRODUCTION

8-Channel, ±10V Input 16-Bit, 100ksps ADC Converter with Shutdown

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Overview

  • Single 5V Supply
  • Sample Rate: 100ksps
  • 8-Channel Multiplexer with ±30V Protection
  • ±10V Bipolar Input Range
    • Single Ended or Differential
  • ±3LSB INL for the LTC1856, ±1.5LSB INL for the LTC1855, ±1LSB INL for the LTC1854
  • Power Dissipation: 40mW (Typ)
  • SPI/MICROWIRE Compatible Serial I/O
  • Power Shutdown: Nap and Sleep
  • SINAD: 87dB (LTC1856)
  • Operates with Internal or External Reference
  • Internal Synchronized Clock
  • 28-Pin SSOP Package

The LTC1854/LTC1855/LTC1856 are 8-channel, low power, 12-/14-/16-bit, 100ksps, analog-to-digital converters (ADCs). These ADCs operate from a single 5V supply and the 8-channel multiplexer can be programmed for single-ended inputs, pairs of differential inputs, or combinations of both. In addition, all channels are fault protected to ±30V. A fault condition on any channel will not affect the conversion result of the selected channel.

An on-board precision reference minimizes external components. Power dissipation is 40mW at 100ksps and lower in two power shutdown modes (27.5mW in Nap mode and 40µW in Sleep mode.) DC specifications include ±3LSB INL for the LTC1856, ±1.5LSB INL for the LTC1855 and ±1LSB for the LTC1854.

The internal clock is trimmed for 5µs maximum conversion time and the sampling rate is guaranteed at 100ksps. A separate convert start input and data ready signal (BUSY) ease connections to FIFOs, DSPs and microprocessors.

Applications

  • Industrial Process Control
  • Multiplexed Data Acquisition Systems
  • High Speed Data Acquisition for PCs
  • Digital Signal Processing

LTC1856
8-Channel, ±10V Input 16-Bit, 100ksps ADC Converter with Shutdown
100kHz, 12-Bit/14-/16-Bit Sampling ADC LTC1856 Typical INL Curve Product Package 1
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Documentation

Data Sheet

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

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Software Resources

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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
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Tools & Simulations


Evaluation Kits

eval board
DC682A

LTC1859CG Demo Board | 8-Channel, 16-Bit, 100ksps SoftSpan ADC (requires DC2026)

Product Details

DC682A: Demo Board for the LTC1859 8-Channel, 16-Bit, 100ksps SoftSpan A/D Converters with Shutdown.


 


DC682A
LTC1859CG Demo Board | 8-Channel, 16-Bit, 100ksps SoftSpan ADC (requires DC2026)
DC682A Demo Board DC682A Demo Board DC682A Demo Board DC682A Demo Board DC682A - Schematic

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