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

Name: LT1490AHMS8
Brand: Analog Devices
SKU: LT1490AHMS8
Availability: InStock

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
Datasheet: LT1490AHMS8 Datasheet PDF
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?

YTEOL	0
Amplifier Type	OPERATIONAL AMPLIFIER
Architecture	VOLTAGE-FEEDBACK
Average Bias Current-Max (IIB)	0.02 µA
Common-mode Reject Ratio-Nom	72dB
Frequency Compensation	YES
Input Offset Voltage-Max	3200 µV
JESD-30 Code	S-PDSO-G8
JESD-609 Code	e0
Low-Bias	YES
Low-Offset	YES
Micropower	NO
Neg Supply Voltage Limit-Max	-22 V
Neg Supply Voltage-Nom (Vsup)	-15 V
Number of Functions	2
Package Body Material	PLASTIC/EPOXY
Package Equivalence Code	TSSOP8,.19
Package Shape	SQUARE
Package Style	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Power	NO
Programmable Power	NO
Qualification Status	Not Qualified
Slew Rate-Min	0.033V/us
Slew Rate-Nom	0.07V/us
Supply Current-Max	0.16mA
Supply Voltage Limit-Max	22V
Supply Voltage-Nom (Vsup)	15V
Surface Mount	YES
Technology	BIPOLAR
Temperature Grade	AUTOMOTIVE
Terminal Finish	Tin/Lead (Sn/Pb)
Terminal Form	GULL WING
Terminal Pitch	0.65mm
Terminal Position	DUAL
Unity Gain BW-Nom	200
Voltage Gain-Min	100000
Wideband	NO
Package	Small Outline Packages

Compliance & Regulatory

RoHS Status	Compliant
Lead-Free	Yes (Pb-Free)
Moisture Sensitivity Level	MSL 1
ECCN	EAR99
HTS Code	8542.33.00.01

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.

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AvailabilityIn Stock

Reference Price (USD)

From $4.1440

Buy from 1pc · Factory-direct pricing

Qty.	Unit Price	Ext. 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

Direct Contact

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Lead Time3-7 business days

MOQFrom 1 piece

ShippingDHL / FedEx / UPS

OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

“The anti-counterfeit verification gave us confidence we'd never had with other China suppliers.”

Rajesh Patel

Procurement Manager, VoltEdge Energy, India

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

What are the key features of LT1490AHMS8?

What is LT1490AHMS8 used for?

What are the specifications of LT1490AHMS8?

Compliance & Regulatory

Where can I find the LT1490AHMS8 datasheet?

What are equivalent replacements for LT1490AHMS8?

Frequently Asked Questions

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

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

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

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