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ADI LT1490ACDD#PBF product image
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ADI LT1490ACDD#PBF

Manufacturer
ADI
MPN
LT1490ACDD#PBF
LCSC Part #
C579748
Packaging
DFN-8-EP(3x3)
Customer #
Key Attributes
2 500uV 60V/ms 98dB 8nA DFN-8-EP(3x3) Instrumentation, Op Amps, Buffer Amps RoHS
DatasheetADI LT1490ACDD#PBF
RoHS Compliance1 documents available
Every Order Guarantee
100% Authentic · 30-Day Return or Replacement

Products Specifications

All
TypeDescription
CategoryIntegrated Circuits (ICs)/Linear/Amplifiers/Instrumentation, Op Amps, Buffer Amps
ManufacturerADI
PackagingDFN-8-EP(3x3)
Output Current-
Number of Channels2
Vos - Input Offset Voltage500uV
Slew Rate60V/ms
Input Offset Current(Ios)-
Operating Temperature0℃~+70℃
Common Mode Rejection Ratio(CMRR)98dB
Ib - Input Bias Current8nA
Input Offset Voltage Drift(Vos TC)6uV/℃
Quiescent Current-
Gain Bandwidth Product-
FeaturesEnable/shutdown function;Built-in compensation
Input Voltage Noise Density50nV/√Hz@1kHz
Rail to Rail-
Single Supply2.5V~12.5V
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Introduction

AI Translation

The LT1490A/LT1491A are dual and quad op amps with a low input offset voltage of 500μV max. The LT1490A/LT1491A operate on all single and split supplies with a total voltage of 2V to 44V, drawing only 40μA of quiescent current per amplifier. These amplifiers are reverse supply protected; they draw virtually no current for reverse supply up to 18V. The input range of the LT1490A/LT1491A includes both supplies and the output swings to both supplies. Unlike most micropower op amps, the LT1490A/LT1491A can drive heavy loads; their rail-to-rail outputs drive 20mA. The LT1490A/LT1491A are unity-gain stable and drive all capacitive loads up to 10,000pF when optional 0.22μF and 150 compensation is used. The LT1490A/LT1491A have a unique input stage that operates and remains high impedance when above the positive supply. The inputs take 44V both differential and common mode even when operating on a 3V supply. Built-in resistors protect the inputs for faults below the negative supply up to 15V. There is no phase reversal of the output for inputs 15V below V- or 44V above V-, independent of V+ The LT1490A dual op amp is available in the 8-pin MSOP, PDIP and SO packages. For space limited applications LT1490A is available in a 3mmx3mmx0.8mm, dual fine pitch leadless package (DFN). The quad LT1491A is available in the 14-pin SO, PDIP and 5mmx3mmx0.8mm DFN packages.

Features

AI Translation
  • Low Input Offset Voltage: 500μV
  • Max Output Swings to 10mV Max from V-
  • Rail-to-Rail Input and Output
  • Micropower: 50μA /Amplifier Max
  • Over-The-Top Input Common Mode Range Extends 44V Above V-, Independent of V+
  • Specified on 3V, 5V and ±15V Supplies
  • High Output Current: 20mA
  • Output Drives 10,000pF with Output Compensation
  • Reverse Battery Protection to 18V
  • No Supply Sequencing Problems
  • High Voltage Gain: 1500V/mV
  • High CMRR: 98dB
  • No Phase Reversal
  • Gain Bandwidth Product: 200kHz
  • Tiny 3mm×3mm×0.8mm DFN Package

Applications

AI Translation
  • Battery- or Solar-Powered Systems
  • Portable Instrumentation
  • Sensor Conditioning
  • Supply Current Sensing
  • Battery Monitoring
  • Micropower Active Filters
  • 4mA to 20mA Transmitters