INA290A2IDCKR Texas Instruments Integrated Circuit (SOT23 (5-Pin)) In Stock

The INA290A2IDCKR is an ultra-precise current sense amplifier from Texas Instruments supporting a 120V common-mode voltage range with 140dB CMRR and 1.1MHz bandwidth, packaged in a compact 5-pin SC70 for -40°C to 125°C industrial power monitoring applications.

ACTIVEIntegrated CircuitVerified Jul 2026
Package / Visual Reference
INA290A2IDCKRSOT23 (5-Pin)
Quick Facts
Manufacturer
Texas Instruments
Package
SOT23 (5-Pin)
Pin Count
5
Lifecycle
ACTIVE
Category
Integrated Circuit
Price
From $1.6649(MOQ 500)
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 INA290A2IDCKR?

  • Ultra-precise current sense amplifier
  • 120V max common-mode voltage range
  • 140 dB min common-mode rejection ratio (CMRR)
  • 1.1 MHz nominal bandwidth
  • 30 µA max input bias current
  • Compact 5-pin SC70 (SOT23) package
  • -40°C to 125°C operating temperature range

What is INA290A2IDCKR used for?

The INA290A2IDCKR is designed for high-side and low-side current sensing in industrial power monitoring, motor drive protection, and battery management systems operating at high common-mode voltages. Its 120V common-mode range and 140 dB CMRR enable accurate current measurement in noisy, high-voltage environments. The compact 5-pin SC70 package and -40°C to 125°C rating suit it for space-constrained automotive and industrial electronics.

What are the specifications of INA290A2IDCKR?

Pbfree CodeYes
Date Of Intro2020-07-04
YTEOL15
Amplifier TypeOPERATIONAL AMPLIFIER
ArchitectureVOLTAGE-FEEDBACK
Average Bias Current-Max (IIB)30 µA
Bandwidth (3dB)-Nom1.1MHz
Bias Current-Max (IIB) @25C30 µA
Common Mode Voltage-Max120V
Common-mode Reject Ratio-Min140dB
Common-mode Reject Ratio-Nom160dB
Frequency CompensationYES
Input Offset Voltage-Max20 µV
JESD-30 CodeR-PDSO-G5
JESD-609 Codee4
Low-BiasNO
Low-OffsetYES
MicropowerYES
Number of Functions1
Package Body MaterialPLASTIC/EPOXY
Package Equivalence CodeTSSOP5/6,.08
Package ShapeRECTANGULAR
Package StyleSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel)260
PowerNO
Programmable PowerNO
Slew Rate-Nom2V/us
Supply Current-Max0.6mA
Supply Voltage Limit-Max22V
Supply Voltage-Nom (Vsup)5V
Surface MountYES
Temperature GradeAUTOMOTIVE
Terminal FinishNickel/Palladium/Gold (Ni/Pd/Au)
Terminal FormGULL WING
Terminal Pitch0.65mm
Terminal PositionDUAL
Time@Peak Reflow Temperature-Max (s)30
Unity Gain BW-Nom1100
Voltage Gain-Nom50
WidebandNO
PackageSOT23 (5-Pin)

Compliance & Regulatory

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

Where can I find the INA290A2IDCKR datasheet?

INA290A2IDCKR Datasheet Download

Official datasheet from Texas Instruments

What are equivalent replacements for INA290A2IDCKR?

Compatible alternatives and drop-in replacements for INA290A2IDCKR:

INA290A2IDCKTTexas Instruments Operational

Amplifier, 1 Func, 20uV Offset-Max, 1.1MHz Band Width, PDSO5

View Part →
INA290A2QDCKRQ1Texas Instruments Operational

Amplifier, 1 Func, 20uV Offset-Max, BICMOS, PDSO5

View Part →

Frequently Asked Questions

What common-mode voltage range and rejection performance does the INA290A2IDCKR current sense amplifier offer?

The INA290A2IDCKR supports a common-mode voltage range up to 120V with a minimum common-mode rejection ratio of 140 dB, enabling precise current sensing even in high-voltage, noisy industrial power systems.

How fast can the INA290A2IDCKR respond to changing current signals?

This current sense amplifier delivers a 1.1 MHz nominal bandwidth with a low 30 µA maximum input bias current, allowing it to track fast-changing load currents in motor drive and power monitoring circuits.

Across what temperature range and package size is the INA290A2IDCKR qualified to operate?

The INA290A2IDCKR is qualified for operation from -40°C to 125°C and is housed in a compact 5-pin SC70 package, making it suitable for automotive and industrial designs with limited board space.

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About Texas Instruments

Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.

AvailabilityIn Stock
Reference Price (USD)
From $1.6649
Buy from 1pc · Factory-direct pricing
Qty.Unit PriceExt. Price
500+$1.7700$885.00
1000+$1.7100$1710.00
3000+$1.6900$5070.00
6000+$1.6649$9989.22
pcs
Unit price: $1.7700 · Total: $885.00

In Stock · 24h Response · Worldwide Shipping

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

Response within 24 hours · Worldwide shipping

Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.

MR
Marco Rossi
CTO, AutoDrive Systems, Italy