LTC2430
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LTC2430

20-Bit No Latency ∆Σ ADCs with Differential Input and Differential Reference

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Info: : PRODUCTION tooltip
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Part Details
Part Models 4
1ku List Price Starting From $4.68
Features
  • Low Supply Current (200µA in Conversion Mode and 4µA in Autosleep Mode)
  • Differential Input and Differential Reference with GND to VCC Common Mode Range
  • 3ppm INL, No Missing Codes
  • 10ppm Full-Scale Error and 1ppm Offset
  • 0.56ppm Noise, 20.8 ENOBs
  • No Latency: Digital Filter Settles in a Single Cycle. Each Conversion Is Accurate, Even After an Input Step
  • Single Supply 2.7V to 5.5V Operation
  • Internal Oscillator—No External Components Required
  • 110dB Min, 50Hz/60Hz Notch Filter
  • Pin Compatible with 24-Bit LTC2410/LTC2411
Additional Details
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The LTC2430/LTC2431 are 2.7V to 5.5V micropower 20-bit differential ∆Σ analog-to-digital converters with an integrated oscillator, 3ppm INL and 0.56ppm RMS noise. They use delta-sigma technology and provide single cycle settling time for multiplexed applications. Through a single pin, the LTC2430/LTC2431 can be configured for better than 110dB differential mode rejection at 50Hz or 60Hz ±2%, or they can be driven by an external oscillator for a user-defined rejection frequency. The internal oscillator requires no external frequency setting components.

The converters accept 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 –0.5VREF to 0.5VREF. The reference common mode voltage, VREFCM, and the input common mode voltage, VINCM, may be independently set anywhere within GND to VCC. The DC common mode input rejection is better than 120dB.

The LTC2430/LTC2431 communicate through a flexible 3-wire digital interface that is compatible with SPI and MICROWIRE protocols.

 

Applications

  • Direct Sensor Digitizer
  • Weight Scales
  • Direct Temperature Measurement
  • Gas Analyzers
  • Strain Gauge Transducers
  • Instrumentation
  • Data Acquisition
  • Industrial Process Control
  • DVMs and Meters
Part Models 4
1ku List Price Starting From $4.68

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
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Product Lifecycle

PCN

Oct 11, 2022

- 22_0235

Epoxy Change from Henkel 8290 to 8290A for GN Package

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PRODUCTION

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PRODUCTION

LTC2430IGN#PBF

PRODUCTION

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PRODUCTION

Apr 6, 2022

- 22_0066

Laser Top Mark for 16QSOP Assembled in ADPG [PNG]

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LTC2430CGN#TRPBF

PRODUCTION

LTC2430IGN#PBF

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Filter by Model

reset

Reset Filters

Part Models

Product Lifecycle

PCN

Oct 11, 2022

- 22_0235

arrow down

Epoxy Change from Henkel 8290 to 8290A for GN Package

LTC2430CGN#PBF

PRODUCTION

LTC2430CGN#TRPBF

PRODUCTION

LTC2430IGN#PBF

PRODUCTION

LTC2430IGN#TRPBF

PRODUCTION

Apr 6, 2022

- 22_0066

arrow down

Laser Top Mark for 16QSOP Assembled in ADPG [PNG]

LTC2430CGN#PBF

PRODUCTION

LTC2430CGN#TRPBF

PRODUCTION

LTC2430IGN#PBF

PRODUCTION

LTC2430IGN#TRPBF

PRODUCTION

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