LT1490AHMS8 Analog Devices Integrated Circuit (Small Outline Packages) In Stock

Analog Devices LT1490AHMS8 is a dual general-purpose rail-to-rail input/output operational amplifier rated for ±22 V (44 V single-supply) operation in an automotive-grade 8-pin MSOP package. It features 72 dB CMRR and low 20 nA bias current, suitable for battery-powered and automotive sensor circuits.

OBSOLETEIntegrated CircuitVerified Jun 2026
Package / Visual Reference
LT1490AHMS8Small Outline Packages
Quick Facts
Manufacturer
Analog Devices
Package
Small Outline Packages
Pin Count
8
Lifecycle
OBSOLETE
Category
Integrated Circuit
Price
From $4.1440(MOQ 1)
Temp Range
-40.0°C to 125.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

What are the key features of LT1490AHMS8?

  • Rail-to-rail input and output swing on supplies up to ±22 V (44 V single supply) for maximum dynamic range in automotive signal chains
  • Dual-channel op-amp with 20 nA maximum input bias current enabling accurate interfacing with high-impedance sensors and resistive dividers
  • 8-pin MSOP package (3 mm × 3 mm) with automotive-grade qualification and 72 dB common-mode rejection ratio for EMI-resistant designs

What is LT1490AHMS8 used for?

The LT1490AHMS8 is designed for automotive sensor signal conditioning, precision instrumentation, and battery-management analog front-ends operating from wide supply voltages up to 44 V. Its rail-to-rail I/O capability and low 20 nA bias current make it effective for resistive bridge amplifiers, 4–20 mA current-loop receivers, and low-power monitoring circuits in industrial and automotive electronic control units.

What are the specifications of LT1490AHMS8?

YTEOL0
Amplifier TypeOPERATIONAL AMPLIFIER
ArchitectureVOLTAGE-FEEDBACK
Average Bias Current-Max (IIB)0.02 µA
Common-mode Reject Ratio-Nom72dB
Frequency CompensationYES
Input Offset Voltage-Max3200 µV
JESD-30 CodeS-PDSO-G8
JESD-609 Codee0
Low-BiasYES
Low-OffsetYES
MicropowerNO
Neg Supply Voltage Limit-Max-22 V
Neg Supply Voltage-Nom (Vsup)-15 V
Number of Functions2
Package Body MaterialPLASTIC/EPOXY
Package Equivalence CodeTSSOP8,.19
Package ShapeSQUARE
Package StyleSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
PowerNO
Programmable PowerNO
Qualification StatusNot Qualified
Slew Rate-Min0.033V/us
Slew Rate-Nom0.07V/us
Supply Current-Max0.16mA
Supply Voltage Limit-Max22V
Supply Voltage-Nom (Vsup)15V
Surface MountYES
TechnologyBIPOLAR
Temperature GradeAUTOMOTIVE
Terminal FinishTin/Lead (Sn/Pb)
Terminal FormGULL WING
Terminal Pitch0.65mm
Terminal PositionDUAL
Unity Gain BW-Nom200
Voltage Gain-Min100000
WidebandNO
PackageSmall Outline Packages

Compliance & Regulatory

RoHS StatusCompliant
Lead-FreeYes (Pb-Free)
Moisture Sensitivity LevelMSL 1
ECCNEAR99
HTS Code8542.33.00.01

Where can I find the LT1490AHMS8 datasheet?

LT1490AHMS8 Datasheet Download

Official datasheet from Analog Devices

What are equivalent replacements for LT1490AHMS8?

No known alternates. Submit an RFQ and our team can suggest alternatives.

Frequently Asked Questions

What supply voltage range does the LT1490AHMS8 support, and how does rail-to-rail I/O benefit automotive sensor designs?

The LT1490AHMS8 operates from supplies up to ±22 V (44 V total), with a rail-to-rail input and output range that allows the output to swing within millivolts of both supply rails. This maximizes the usable dynamic range in 12 V or 24 V automotive sensor applications where supply variation of ±20% is common, reducing the need for level-shifting circuits.

How does the 20 nA input bias current of the LT1490AHMS8 affect accuracy when amplifying a 1 MΩ resistive bridge sensor?

With a maximum input bias current of 20 nA and a 1 MΩ source resistance, the LT1490AHMS8 introduces at most 20 mV of bias-induced offset voltage — well within the error budget of most industrial bridge sensor front-ends. This low bias current allows the amplifier to be used with high-impedance pH sensors, thermistor bridges, or strain gauge circuits without additional buffer stages.

For a 24 V industrial 4–20 mA current-loop transmitter, when would LT1490AHMS8 be chosen over a standard single-supply op-amp?

The LT1490AHMS8 is preferred in 4–20 mA loop transmitters when the supply rail exceeds 36 V or when rail-to-rail output swing is needed to drive a current source transistor directly from a 24 V bus. Its ±22 V rating covers 24 V loop supplies with margin, and the dual-channel 8-pin MSOP package enables both the input buffer and output driver stages to fit in a footprint under 20 mm².

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About Analog Devices

Analog Devices (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits used in virtually all types of electronic equipment.

AvailabilityIn Stock
Reference Price (USD)
From $4.1440
Buy from 1pc · Factory-direct pricing
Qty.Unit PriceExt. Price
1+$6.7200$6.72
16+$4.4800$71.68
57+$4.1440$236.21
pcs
Unit price: $6.7200 · Total: $6.72

In Stock · 24h Response · Worldwide Shipping

Lead Time3-7 business days
MOQFrom 1 piece
ShippingDHL / FedEx / UPS
OriginChina (Authorized)

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