LTC2433-1

PRODUCTION

Differential Input 16-Bit No Latency Delta Sigma ADC

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Overview

  • 16-Bit Differential ADC in a Tiny MSOP
  • Low Supply Current: 200µA, 4µA in Autosleep
  • Rail-to-Rail Differential Input/Reference
  • 0.12LSB INL, No Missing Codes
  • 0.16LSB Full-Scale Error and 5µV Offset
  • 1.45µV RMS Noise, Independent of VREF
  • Very Low Transition Noise: <0.02LSB
  • Operates with a Reference as Low as 100mV with 16-Bit Resolution
  • Internal Oscillator—No External Components Required
  • 87dB Min, Simultaneous 50Hz and 60Hz Notch Filter
  • Single Supply 2.7V to 5.5V Operation
  • Pin Compatible with the 20/24-Bit LTC2431/LTC2411
  • Available in 10-Lead MSOP Package

The LTC2433-1 is a differential input micropower 16-bit No Latency ∆ΣTM analog-to-digital converter with an integrated oscillator. It provides 0.12LSB INL and 1.45µV RMS noise independent of VREF. It uses delta-sigma technology and provides single conversion settling of the digital filter. Through a single pin, the LTC2433-1 can be configured for better than 87dB input differential mode rejection at 50Hz and 60Hz ±2%, or it can be driven by an external oscillator for a user defined rejection frequency. The internal oscillator requires no external frequency setting components.

The converter accepts any external differential reference voltage from 0.1V to VCC for flexible ratiometric and remote sensing measurement configurations. The fullscale differential input range is from – 0.5 • VREF to 0.5 • VREF. The reference common mode voltage, VREFCM, and the input common mode voltage, VINCM, may be independently set anywhere between GND and VCC. The DC common mode input rejection is better than 140dB.

The LTC2433-1 communicates through a flexible 3-wire digital interface which is compatible with SPI and MICROWIRE protocols.

Applications

  • Direct Sensor Digitizer
  • Weight Scales
  • Direct Temperature Measurement
  • Gas Analyzers
  • Strain-Gage Transducers
  • Instrumentation
  • Data Acquisition
  • Industrial Process Control
LTC2433-1
Differential Input 16-Bit No Latency Delta Sigma ADC
Minimum Resolvable Signal vs VREF Product Package 1
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Documentation

Data Sheet 1

Reliability Data 1

User Guide 1

Application Note 1

Design Note 1

Technical Articles 1

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
Matched Resistors & Transistors 1
LT5400
RECOMMENDED FOR NEW DESIGNS Quad Matched Resistor Network
Oscillators 1
LTC6991
PRODUCTION TimerBlox: Resettable, Low Frequency Oscillator
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Evaluation Kits

eval board
schematic 1
DC745A

LTC2433-1CMS | 16-Bit Differential ADC in MS10 Package (Requires DC590)

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Product Details

DC745A: Demo Board for the LTC2433-1 Differential Input 16-Bit No Latency Delta Sigma ADC.


 
DC745A
LTC2433-1CMS | 16-Bit Differential ADC in MS10 Package (Requires DC590)
DC745A - Schematic

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