LTC2420 - 20-Bit µPower No Latency Delta-Sigma ADC in SO-8

  • 20-Bit ADC in SO-8 Package
  • 8ppm INL, No Missing Codes at 20 Bits
  • 4ppm Full-Scale Error
  • 0.5ppm Offset
  • 1.2ppm Noise
  • Digital Filter Settles in a Single Cycle. Each Conversion Is Accurate, Even After an Input Step
  • Fast Mode: 16-Bit Noise, 12 Bits TUE at 100sps
  • Internal Oscillator—No External Components Required
  • 110dB Min, 50Hz/60Hz Notch Filter
  • Reference Input Voltage: 0.1V to VCC
  • Live Zero—Extended Input Range Accommodates 12.5% Overrange and Underrange
  • Single Supply 2.7V to 5.5V Operation
  • Low Supply Current (200µA) and Auto Shutdown
  • Pin Compatible with 24-Bit LTC2400
Typical Application

  • Weight Scales
  • Direct Temperature Measurement
  • Gas Analyzers
  • Strain-Gage Transducers
  • Instrumentation
  • Data Acquisition
  • Industrial Process Control
  • 4-Digit DVMs
Order Information
Part NumberPackageTempPrice(1-99)Price (1k)*
Demo Boards
Part NumberDescriptionPrice
DC344ALTC2420CS8 | 20 Bit Delta Sigma ADC with Turbo Mode (with Diskette, Requires Win95/98)$50.00
Application Note
Reliability Data
Product Selector Card
LT Journal
Related Product
LTC2420 - 20-Bit µPower No Latency Delta-Sigma ADC in SO-8
AN96 - Delta Sigma ADC Bridge Measurement Techniques
R380 Reliability Data
No Latency Delta-Sigma™ ADCs
May 2001 No Latency Delta-Sigma ADC Techniques for Optimized Performance
LTC2420 Footprints and Symbols