INA125U Texas Instruments Integrated Circuit (Small Outline Packages) In Stock

Name: INA125U
Brand: Texas Instruments
SKU: INA125U
Availability: InStock

INA125U is a precision instrumentation amplifier with 0.25mV offset voltage, 100dB CMRR, 0.15MHz bandwidth, and integrated voltage reference. Ideal for bridge sensor, thermocouple, and medical measurement applications. From $4.34, in stock, worldwide shipping.

ACTIVEIntegrated CircuitVerified May 2026

Package / Visual Reference

INA125USmall Outline Packages

Quick Facts

Manufacturer: Texas Instruments
Package: Small Outline Packages
Pin Count: 16
Lifecycle: ACTIVE
Datasheet: INA125U Datasheet PDF
Category: Integrated Circuit
Price: From $4.3429(MOQ 1)
Temp Range: -40.0°C to 85.0°C
RoHS: Compliant
Lead Time: 3–7 business days
Shipping: DHL Express · Worldwide

What are the key features of INA125U?

100dB minimum CMRR for superior common-mode noise rejection in harsh environments
Integrated precision voltage reference eliminates external components in bridge sensor designs
Ultra-low 0.25mV input offset voltage ensures accurate signal amplification
Wide supply voltage range supports flexible system power architectures
16-Pin SOIC (Small Outline) package enables compact PCB layouts

What is INA125U used for?

The INA125U is widely used in precision measurement systems such as Wheatstone bridge sensors for pressure, strain, and force transducers. It is also employed in thermocouple signal conditioning circuits, medical instrumentation, and industrial process control where high CMRR and low offset are critical. Its integrated reference voltage makes it especially suited for single-supply data acquisition designs.

What are the specifications of INA125U?

Pbfree Code	Yes
YTEOL	15
Amplifier Type	INSTRUMENTATION AMPLIFIER
Average Bias Current-Max (IIB)	0.025 µA
Bandwidth (3dB)-Nom	0.15MHz
Bias Current-Max (IIB) @25C	0.025 µA
Common-mode Reject Ratio-Min	100dB
Input Offset Current-Max (IIO)	0.0000025 µA
Input Offset Voltage-Max	250 µV
JESD-30 Code	R-PDSO-G16
Neg Supply Voltage Limit-Max	-18 V
Neg Supply Voltage-Nom (Vsup)	-15 V
Non-linearity-Max	0.004%
Number of Functions	1
Package Body Material	PLASTIC/EPOXY
Package Equivalence Code	SOP16,.25
Package Shape	RECTANGULAR
Package Style	SMALL OUTLINE
Packing Method	TUBE
Peak Reflow Temperature (Cel)	260
Qualification Status	Not Qualified
Slew Rate-Nom	0.2V/us
Supply Current-Max	0.525mA
Supply Voltage Limit-Max	18V
Supply Voltage-Nom (Vsup)	15V
Surface Mount	YES
Technology	CMOS
Temperature Grade	INDUSTRIAL
Terminal Form	GULL WING
Terminal Pitch	1.27mm
Terminal Position	DUAL
Time@Peak Reflow Temperature-Max (s)	30
Voltage Gain-Max	10000
Voltage Gain-Min	4
Voltage Gain-Nom	10
Package	Small Outline Packages

Compliance & Regulatory

RoHS Status	Compliant
Lead-Free	Yes (Pb-Free)
Moisture Sensitivity Level	MSL 3
ECCN	EAR99
HTS Code	8542.33.00.01
Country of Origin	Malaysia

Where can I find the INA125U datasheet?

INA125U Datasheet Download

Official datasheet from Texas Instruments

What are equivalent replacements for INA125U?

Compatible alternatives and drop-in replacements for INA125U:

INA125UATexas Instruments Instrumentation

Amplifier, 1 Func, 250uV Offset-Max, 0.15MHz Band Width, CMOS, PDSO16

View Part →

Compare all alternatives & request quotes →

Frequently Asked Questions

What is the input offset voltage of the INA125U?

The INA125U has a maximum input offset voltage of 250 µV (0.25mV), making it suitable for precision instrumentation applications where signal accuracy is critical.

What applications is the INA125U designed for?

The INA125U is designed for bridge sensor amplification (pressure, strain, load cells), thermocouple signal conditioning, medical instrumentation, and industrial data acquisition systems requiring high accuracy and low noise.

What is the CMRR specification of the INA125U?

The INA125U features a minimum CMRR of 100dB (typical 78dB in the product description), ensuring excellent rejection of common-mode interference in noisy industrial or medical environments.

What package does the INA125U come in and where can I buy it?

The INA125U comes in a 16-Pin SOIC (Small Outline Integrated Circuit) package. It is available from FindMyChip starting at $4.34, with worldwide shipping and fast quote turnaround.

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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 $4.3429

Buy from 1pc · Factory-direct pricing

Qty.	Unit Price	Ext. Price
1+	$10.8573	$10.86
10+	$6.3100	$63.10
25+	$5.8200	$145.50
38+	$4.7048	$178.78
107+	$4.3429	$464.69

pcs

Unit price: $10.8573 · Total: $10.86

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

INA125U Texas Instruments Integrated Circuit (Small Outline Packages) In Stock

What are the key features of INA125U?

What is INA125U used for?

What are the specifications of INA125U?

Compliance & Regulatory

Where can I find the INA125U datasheet?

What are equivalent replacements for INA125U?

Frequently Asked Questions

What is the input offset voltage of the INA125U?

What applications is the INA125U designed for?

What is the CMRR specification of the INA125U?

What package does the INA125U come in and where can I buy it?

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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