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

Name: INA290A2IDCKR
Brand: Texas Instruments
SKU: INA290A2IDCKR
Availability: InStock

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
Datasheet: INA290A2IDCKR Datasheet PDF
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 Code	Yes
Date Of Intro	2020-07-04
YTEOL	15
Amplifier Type	OPERATIONAL AMPLIFIER
Architecture	VOLTAGE-FEEDBACK
Average Bias Current-Max (IIB)	30 µA
Bandwidth (3dB)-Nom	1.1MHz
Bias Current-Max (IIB) @25C	30 µA
Common Mode Voltage-Max	120V
Common-mode Reject Ratio-Min	140dB
Common-mode Reject Ratio-Nom	160dB
Frequency Compensation	YES
Input Offset Voltage-Max	20 µV
JESD-30 Code	R-PDSO-G5
JESD-609 Code	e4
Low-Bias	NO
Low-Offset	YES
Micropower	YES
Number of Functions	1
Package Body Material	PLASTIC/EPOXY
Package Equivalence Code	TSSOP5/6,.08
Package Shape	RECTANGULAR
Package Style	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel)	260
Power	NO
Programmable Power	NO
Slew Rate-Nom	2V/us
Supply Current-Max	0.6mA
Supply Voltage Limit-Max	22V
Supply Voltage-Nom (Vsup)	5V
Surface Mount	YES
Temperature Grade	AUTOMOTIVE
Terminal Finish	Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form	GULL WING
Terminal Pitch	0.65mm
Terminal Position	DUAL
Time@Peak Reflow Temperature-Max (s)	30
Unity Gain BW-Nom	1100
Voltage Gain-Nom	50
Wideband	NO
Package	SOT23 (5-Pin)

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 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 →

Compare all alternatives & request quotes →

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.

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AvailabilityIn Stock

Reference Price (USD)

From $1.6649

Buy from 1pc · Factory-direct pricing

Qty.	Unit Price	Ext. 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

Direct Contact

WhatsApp Inquiry Email RFQ

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.”

Marco Rossi

CTO, AutoDrive Systems, Italy

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

What are the key features of INA290A2IDCKR?

What is INA290A2IDCKR used for?

What are the specifications of INA290A2IDCKR?

Compliance & Regulatory

Where can I find the INA290A2IDCKR datasheet?

What are equivalent replacements for INA290A2IDCKR?

Frequently Asked Questions

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

How fast can the INA290A2IDCKR respond to changing current signals?

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

Related Guides

CSD87313DMS Synchronous Buck Power Stage Design Guide

STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection

C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC

STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security

Why Buy from FindMyChip

About Texas Instruments

More from Texas Instruments

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