INA129UAlternatives & Equivalent Parts

About INA129U

INA129U is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Small Outline Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.

Specification Comparison

ParameterINA129USourceINA129UAINA129UG4INA2128UINA128UAINA128UG4INA2128UA
ManufacturerTexas InstrumentsTexas InstrumentsTexas InstrumentsTexas InstrumentsTexas InstrumentsTexas InstrumentsTexas Instruments
Package TypeSmall Outline PackagesSOIC-8Small Outline PackagesSmall Outline PackagesSmall Outline PackagesSmall Outline PackagesSmall Outline Packages
Pin Count888168816
Temperature Range-40.0°C ~ 85.0°C-40.0°C ~ 85.0°C-40.0°C ~ 85.0°C-40.0°C ~ 85.0°C-40.0°C ~ 125.0°C-40.0°C ~ 85.0°C-40.0°C ~ 85.0°C
Price$3.6672$6.2500$3.6672$11.0396$7.1600$10.1712$9.6000
Electrical Parameters
Pbfree CodeYesYesYesYesYes
YTEOL1501515015
Amplifier TypeINSTRUMENTATION AMPLIFIERINSTRUMENTATION AMPLIFIERINSTRUMENTATION AMPLIFIERINSTRUMENTATION AMPLIFIERINSTRUMENTATION AMPLIFIERINSTRUMENTATION AMPLIFIER
Average Bias Current-Max (IIB)0.005 µA0.005 µA0.005 µA0.01 µA0.005 µA0.01 µA
Bandwidth (3dB)-Nom1.3 MHz1.3 MHz1.3 MHz1.3 MHz1.3 MHz1.3 MHz
Bias Current-Max (IIB) @25C0.005 µA0.005 µA0.005 µA0.005 µA0.005 µA
Common-mode Reject Ratio-Min120 dB80 dB120 dB120 dB120 dB120 dB
Input Offset Current-Max (IIO)0.005 µA0.005 µA0.005 µA0.01 µA0.005 µA0.01 µA
Input Offset Voltage-Max50 µV550 µV50 µV50 µV50 µV50 µV
JESD-30 CodeR-PDSO-G8R-PDSO-G8R-PDSO-G16R-PDSO-G8R-PDSO-G8R-PDSO-G16
JESD-609 Codee4e4e4e4e4e4
Neg Supply Voltage Limit-Max-18 V-18 V-18 V-18 V-18 V-18 V
Neg Supply Voltage-Nom (Vsup)-15 V-15 V-15 V-15 V-15 V-15 V
Non-linearity-Max0.002%0.002%0.002%0.004%0.002%0.004%
Number of Functions112112
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY
Package Equivalence CodeSOP8,.25SOP8,.25SOP16,.4SOP8,.25SOP8,.25SOP16,.4
Package ShapeRECTANGULARRECTANGULARRECTANGULARRECTANGULARRECTANGULARRECTANGULAR
Package StyleSMALL OUTLINESMALL OUTLINESMALL OUTLINESMALL OUTLINESMALL OUTLINESMALL OUTLINE
Packing MethodTUBETUBETUBETUBETUBE
Peak Reflow Temperature (Cel)260260260260260260
Qualification StatusNot QualifiedNot QualifiedNot QualifiedNot QualifiedNot QualifiedNot Qualified
Slew Rate-Nom4 V/us4 V/us1.2 V/us4 V/us4 V/us1.2 V/us
SubcategoryInstrumentation AmplifierInstrumentation AmplifierInstrumentation AmplifierInstrumentation AmplifierInstrumentation Amplifier
Supply Current-Max0.75 mA0.75 mA1.5 mA0.75 mA0.75 mA1.5 mA
Supply Voltage Limit-Max18 V18 V18 V18 V18 V18 V
Supply Voltage-Nom (Vsup)15 V15 V15 V15 V15 V15 V
Surface MountYESYESYESYESYESYES
TechnologyBIPOLARBIPOLARBIPOLARBIPOLARBIPOLARBIPOLAR
Temperature GradeINDUSTRIALINDUSTRIALINDUSTRIALAUTOMOTIVEINDUSTRIALINDUSTRIAL
Terminal FinishNickel/Palladium/Gold (Ni/Pd/Au)NICKEL PALLADIUM GOLDNickel/Palladium/Gold (Ni/Pd/Au)Nickel/Palladium/Gold (Ni/Pd/Au)Nickel/Palladium/Gold (Ni/Pd/Au)Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal FormGULL WINGGULL WINGGULL WINGGULL WINGGULL WINGGULL WING
Terminal Pitch1.27 mm1.27 mm1.27 mm1.27 mm1.27 mm1.27 mm
Terminal PositionDUALDUALDUALDUALDUALDUAL
Time@Peak Reflow Temperature-Max (s)303030303030
Voltage Gain-Max100001000010000100001000010000
Voltage Gain-Min111111
Voltage Gain-Nom10101010
supply_voltage+/-2.25V to +/-18V
gain_range1 to 10000
offset_voltage25uV max
cmrr100dB min at G=10
quiescent_current1mA typical
bandwidth1MHz at G=1
operating_temperature-40C to +85C
## INA128UA Alternates Showing resultsImage

Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.

Quick Links

INA129UAby Texas Instruments

Instrumentation Amplifier, 1 Func, 50uV Offset-Max, 1.3MHz Band Width, BIPolar, PDSO8

INA129UG4by Texas Instruments

Instrumentation Amplifier, 1 Func, 550uV Offset-Max, 1.3MHz Band Width, BIPolar, PDSO8

INA2128Uby Texas Instruments

Instrumentation Amplifier, 2 Func, 50uV Offset-Max, 1.3MHz Band Width, BIPolar, PDSO16

INA128UAby Texas Instruments

Instrumentation Amplifier, 1 Func, 50uV Offset-Max, 1.3MHz Band Width, BIPolar, PDSO8

INA128UG4by Texas Instruments

Instrumentation Amplifier, 1 Func, 50uV Offset-Max, 1.3MHz Band Width, BIPolar, PDSO8

INA2128UAby Texas Instruments

Instrumentation Amplifier, 2 Func, 50uV Offset-Max, 1.3MHz Band Width, BIPolar, PDSO16

Why Look for Alternatives?

Finding alternatives for INA129U is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.

When evaluating INA129U replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.

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Request Alternatives for INA129U

FAQ

What is equivalent to INA129U?

Known equivalents for INA129U include INA129UA, INA129UG4, INA2128U. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of INA129U?

In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.

How do I verify INA129U alternatives?

Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.