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ADI LTC2420CS8#PBF product image
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ADI LTC2420CS8#PBFRoHS

Manufacturer
ADI
MPN
LTC2420CS8#PBF
LCSC Part #
C580547
Packaging
SO-8
Customer #
Key Attributes
20-Bit μPower No Latency ΔΣ ADC in SO-8
Datasheetpdf iconADI LTC2420CS8#PBF
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QtyUnit PriceTotal Amount
1+$ 14.4472$ 14.45
10+$ 13.768$ 137.68
30+$ 12.593$ 377.79
100+$ 11.5661$ 1156.61
Standard Packaging100/Full Tube
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Products Specifications

All
TypeDescription
CategoryIntegrated Circuits (ICs)/Data Acquisition/Analog to Digital Converters (ADC)
ManufacturerADI
PackagingSO-8
Operating Temperature0℃~+70℃
Voltage ReferenceExternal
Clock/OscillatorBuilt-in
Clock Frequency19.2kHz;2.56kHz~307.2kHz
FeaturesBuilt-in digital filter;Auto calibration;Power-on reset;Bipolar input
InterfaceSPI
Quiescent Current (Iq)20uA
Resolution(Bits)7.5Hz;20
S/N Ratio110dB
Voltage - Supply2.7V~5.5V
Number of Channels1
ADC architectureSigma-Delta
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Introduction

AI Translation

The LTC2420 is a micropower 20-bit A/D converter with an integrated oscillator, 8ppm INL and 1.2ppm RMS noise that operates from 2.7V to 5.5V. It uses delta-sigma technology and provides a digital filter that settles in a single cycle for multiplexed applications. Through a single pin, the LTC2420 can be configured for better than 110dB rejection at 50Hz/60Hz ±2%, or it can be driven by an external oscillator for a user-defined rejection frequency in the range 1Hz to 800Hz. The internal oscillator requires no external frequency setting components. The converter accepts any external reference voltage from 0.1V to VCC. With its extended input conversion range of -12.5% VREF to 112.5% VREF, the LTC2420 smoothly resolves the offset and overrange problems of preceding sensors or signal conditioning circuits. The LTC2420 communicates through a flexible 3-wire digital interface which is compatible with SPI and MICROWIRE protocols.

Features

AI Translation
  • 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

Applications

AI Translation
  • Weight Scales
  • Direct Temperature Measurement
  • Gas Analyzers
  • Strain Gauge Transducers
  • Instrumentation
  • Data Acquisition
  • Industrial Process Control
  • 4-Digit DVMs