LTC2420

PRODUCTION

20-Bit µPower No Latency ∆Σ™ ADC in SO-8

Data Sheet Product Selection Table
Part Models
4
1ku List Price
Starting From $5.30
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Part Details

  • 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
LTC2420
20-Bit µPower No Latency ∆Σ™ ADC in SO-8
Total Unadjusted Error (3V Supply) Product Package 1
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Documentation

Data Sheet 1

Reliability Data 1

User Guide 2

Application Note 2

Technical Articles 1

Data Sheet

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

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Hardware Ecosystem

Parts Product Life Cycle Description
I²C Isolators 1
LTM2883
PRODUCTION SPI/Digital or I2C μModule Isolator with Adjustable ±12.5V and 5V Regulated Power
Precision Resistor Network 1
LT5400
RECOMMENDED FOR NEW DESIGNS Quad Matched Resistor Network
TimerBlox 1
LTC6991
PRODUCTION TimerBlox: Resettable, Low Frequency Oscillator
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Evaluation Kits

eval board
schematic 1
DC344A

LTC2420CS8 | 20 Bit Delta Sigma ADC with Turbo Mode (with Diskette, Requires Win95/98)

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Product Details

DC344A: Demo Board for the LTC2420 20-Bit µPower No Latency Delta-Sigma ADC in SO-8

eval board
schematic 2
schematic 3
schematic 4
EVAL-LTC2420-EBZ

Evaluating the LTC2420 20-Bit, μPower, No Latency, ΔΣ ADC

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Features and Benefits

  • Fully featured evaluation board for the LTC2420
  • QuikEval evaluation software compatible

Product Details

The EVAL-LTC2420-EBZ is a fully featured evaluation board that evaluates the LTC2420, a 20-bit, μPower, no latency, ΔΣ analog-to-digital converter (ADC).

The EVAL-LTC2420-EBZ uses QuikEval evaluation software to provide an intuitive graphical user interface (GUI) that configures and controls the LTC2420 using the serial peripheral interface (SPI).

The LTC2420 is used for various data acquisition applications such as weigh scales or gas analyzers. The LTC2420 accepts any external reference voltage from 0.1 V to VCC and can be configured to reject 50 Hz or 60 Hz interference.

For full specifications on the LTC2420, see the LTC2420 data sheet, which must be consulted with the user guide when using the EVAL-LTC2420-EBZ.
DC344A
LTC2420CS8 | 20 Bit Delta Sigma ADC with Turbo Mode (with Diskette, Requires Win95/98)
DC344A - Schematic
EVAL-LTC2420-EBZ
Evaluating the LTC2420 20-Bit, μPower, No Latency, ΔΣ ADC
EVAL-LTC2420-EBZ Evaluation Board EVAL-LTC2420-EBZ Evaluation Board - Top View EVAL-LTC2420-EBZ Evaluation Board - Bottom View

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