Products > Integrated Circuits (ICs) > Amplifier ICs > LT1490AHMS8#PBF

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Lead Acid Rectangular 12V 0.8Ah Secondary

Manufacturer : Analog Devices, Inc
Package/Case : MSOP-8
Product Categories : Operational Amplifiers (Op Amps) ; Rail-to-Rail Op Amps
Datasheet: LT1490AHMS8#PBF Datasheet (PDF)
RoHs Status: Pb-free Halide free
In-stock: 400


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LT1490AHMS8#PBF Product Details

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 150Ω 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 LT1490AHMS8#PBF dual op amp is available in the 8-pin MSOP, PDIP and SO packages. For space limited applications LT1490AHMS8#PBF is available in a 3mm × 3mm × 0.8mm, dual fine pitch leadless package (DFN). The quad LT1491A is available in the 14-pin SO, PDIP and 5mm × 3mm × 0.8mm DFN packages.


  • 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


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

LT1490AHMS8#PBF Pinout
(Picture: Pinout)

LT1490AHMS8#PBF Block Diagram
(Picture: Diagram)

Technical Parameters

  • Amplifier Type
  • General Purpose
  • Number of Circuits
  • 2
  • Output Type
  • Rail-to-Rail
  • Slew Rate
  • 0.07V/??s
  • Gain Bandwidth Product
  • 200kHz
  • Current Input Bias
  • 1nA
  • Voltage Input Offset
  • 250??V
  • Current Supply
  • 50??A
  • Current Output / Channel
  • 25mA
  • Voltage Supply, Single/Dual (??)
  • 2V ~ 44V, ??1V ~ 22V
  • Operating Temperature
  • -40??C ~ 125??C
  • Mounting Type
  • Surface Mount
  • Package / Case
  • 8-TSSOP, 8-MSOP (0.118, 3.00mm Width)
  • Supplier Device Package
  • 8-MSOP

LT1490AHMS8#PBF Datasheet

  • LT1490A Technical Documentation/Data sheet

LT1490AHMS8#PBF Equivalent Parts

For the LT1490AHMS8#PBF component, you may consider these replacement and alternative parts.

Models Manufacturer Package/Case Description
LT1490AIS8#PBF ADI SOP8 LINEAR TECHNOLOGY LT1490AIS8#PBF Operational Amplifier, Dual, 2 Amplifier, 200kHz, 0.07V/μs, 2V to 44V, SOIC, 8Pins
LT1490ACS8#PBF ADI SOIC-8 LINEAR TECHNOLOGY LT1490ACS8#PBF Operational Amplifier, Dual, 2 Amplifier, 180kHz, 0.06V/μs, 2V to 44V, SOIC, 8Pins
LT1490AIMS8#PBF ADI MSOP-8 Operational Amplifier, Dual, 2 Amplifier, 200 kHz, 0.06 V/μs, ± 1.25V to ± 22V, MSOP, 8 Pins

LT1490AHMS8#PBF Related Products

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Analog Devices, Inc

Analog Devices, Inc. was founded by two MIT graduates, Ray Stata and Matthew Lorber in 1965. The same year, the company released its first product, the model 101 op amp, which was a hockey-puck sized module used in test and measurement equipment. In 1967, the company published the first issue of its...
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