INA2181A1IDSQRAlternatives & Equivalent Parts

About INA2181A1IDSQR

INA2181A1IDSQR is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Small Outline No-lead package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.

Specification Comparison

ParameterINA2181A1IDSQRSourceINA2181A1IDSQTLMR36506MSC3RPERQ1SN74LVC2G17DSFRMSP430F6775IPZINA2181A3IDSQRINA2181A2IDSQRINA2181A4IDSQRINA2181A4IDSQTINA2181A3IDSQTINA2181A2IDSQT
ManufacturerTexas InstrumentsTexas InstrumentsTexas InstrumentsTexas InstrumentsTexas InstrumentsTexas InstrumentsTexas InstrumentsTexas InstrumentsTexas InstrumentsTexas InstrumentsTexas Instruments
Package TypeSmall Outline No-leadSmall Outline No-leadOtherSmall Outline No-leadQuad Flat PackagesSmall Outline No-leadSmall Outline No-leadSmall Outline No-leadSmall Outline No-leadSmall Outline No-leadSmall Outline No-lead
Pin Count1111136100111111111111
Temperature Range-40.0°C ~ 125.0°C-40.0°C ~ 125.0°C-40.0°C ~ 150.0°C-40.0°C ~ 125.0°C-40.0°C ~ 85.0°C-40.0°C ~ 125.0°C-40.0°C ~ 125.0°C-40.0°C ~ 125.0°C-40.0°C ~ 125.0°C-40.0°C ~ 125.0°C-40.0°C ~ 125.0°C
Price$0.2882$0.6714$2.7500$7.8360$0.3478$0.3480$0.3478$0.5911$0.5911$0.5911
Electrical Parameters
Pbfree CodeYesYesYesYesYesYesYes
Date Of Intro2020-05-302020-05-302020-06-202020-05-302020-05-302020-05-302020-05-302020-05-302020-05-30
YTEOL150151515151515000
Amplifier TypeOPERATIONAL AMPLIFIEROPERATIONAL AMPLIFIEROPERATIONAL AMPLIFIEROPERATIONAL AMPLIFIEROPERATIONAL AMPLIFIEROPERATIONAL AMPLIFIEROPERATIONAL AMPLIFIEROPERATIONAL AMPLIFIER
ArchitectureVOLTAGE-FEEDBACKVOLTAGE-FEEDBACKVOLTAGE-FEEDBACKVOLTAGE-FEEDBACKVOLTAGE-FEEDBACKVOLTAGE-FEEDBACKVOLTAGE-FEEDBACKVOLTAGE-FEEDBACK
Bandwidth (3dB)-Nom0.35 MHz0.35 MHz0.15 MHz0.21 MHz0.105 MHz0.105 MHz0.15 MHz0.21 MHz
Common Mode Voltage-Max26 V26 V26 V26 V26 V26 V26 V26 V
Common-mode Reject Ratio-Min84 dB84 dB84 dB84 dB84 dB84 dB84 dB84 dB
Common-mode Reject Ratio-Nom100 dB100 dB100 dB100 dB100 dB100 dB100 dB100 dB
Frequency CompensationYESYESYESYESYESYESYESYES
Input Offset Voltage-Max150 µV150 µV150 µV150 µV150 µV150 µV150 µV150 µV
JESD-30 CodeS-PDSO-N10S-PDSO-N10S-PBCC-N9S-PDSO-N6S-PQFP-G100S-PDSO-N10S-PDSO-N10S-PDSO-N10S-PDSO-N10S-PDSO-N10S-PDSO-N10
JESD-609 Codee4e4e3e4e4e4e4e4e4e4e4
Low-BiasNONONONONONONONO
Low-OffsetNONONONONONONONO
MicropowerYESYESYESYESYESYESYESYES
Number of Functions2212222222
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY
Package Equivalence CodeSOLCC10,.08,16SOLCC10,.08,16SOLCC6,.04,14QFP100,.63SQ,20SOLCC10,.08,16SOLCC10,.08,16SOLCC10,.08,16SOLCC10,.08,16SOLCC10,.08,16SOLCC10,.08,16
Package ShapeSQUARESQUARESQUARESQUARESQUARESQUARESQUARESQUARESQUARESQUARESQUARE
Package StyleSMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILESMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILECHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILESMALL OUTLINE, VERY THIN PROFILEFLATPACK, LOW PROFILE, FINE PITCHSMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILESMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILESMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILESMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILESMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILESMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
Packing MethodTR, 7 INCHTR, 7 INCHTRTR, 7 INCHTR, 7 INCHTR, 7 INCHTR, 7 INCHTR, 7 INCHTR, 7 INCH
Peak Reflow Temperature (Cel)260260260260260260260260260260260
PowerNONONONONONONONO
Programmable PowerNONONONONONONONO
Slew Rate-Nom2 V/us2 V/us2 V/us2 V/us2 V/us2 V/us2 V/us2 V/us
Supply Current-Max0.5 mA0.5 mA11.75 mA0.5 mA0.5 mA0.5 mA0.5 mA0.5 mA0.5 mA
Supply Voltage Limit-Max6 V6 V6 V6 V6 V6 V6 V6 V
Supply Voltage-Nom (Vsup)5 V5 V3.3 V5 V5 V5 V5 V5 V5 V
Surface MountYESYESYESYESYESYESYESYESYESYESYES
Temperature GradeAUTOMOTIVEAUTOMOTIVEAUTOMOTIVEAUTOMOTIVEINDUSTRIALAUTOMOTIVEAUTOMOTIVEAUTOMOTIVEAUTOMOTIVEAUTOMOTIVEAUTOMOTIVE
Terminal FinishNickel/Palladium/Gold (Ni/Pd/Au)Nickel/Palladium/Gold (Ni/Pd/Au)Matte Tin (Sn)Nickel/Palladium/Gold (Ni/Pd/Au)Nickel/Palladium/Gold (Ni/Pd/Au)Nickel/Palladium/Gold (Ni/Pd/Au)Nickel/Palladium/Gold (Ni/Pd/Au)Nickel/Palladium/Gold (Ni/Pd/Au)Nickel/Palladium/Gold (Ni/Pd/Au)Nickel/Palladium/Gold (Ni/Pd/Au)Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal FormNO LEADNO LEADNO LEADNO LEADGULL WINGNO LEADNO LEADNO LEADNO LEADNO LEADNO LEAD
Terminal Pitch0.4 mm0.4 mm0.5 mm0.35 mm0.5 mm0.4 mm0.4 mm0.4 mm0.4 mm0.4 mm0.4 mm
Terminal PositionDUALDUALBOTTOMDUALQUADDUALDUALDUALDUALDUALDUAL
Time@Peak Reflow Temperature-Max (s)3030303030303030303030
Unity Gain BW-Nom350350150210105105150210
Voltage Gain-Nom20201005020020010050
WidebandNONONONONONONONO
## INA2181A1IDSQR Alternates Showing resultsImage
Additional FeaturePFM CONROL ALSO POSSIBLE
Analog IC - Other TypeSWITCHING REGULATOR
Control ModeCURRENT-MODE
Control TechniquePULSE WIDTH MODULATION
Input Voltage-Max65 V
Input Voltage-Min3 V
Input Voltage-Nom24 V
Number of Outputs1
Output Current-Max0.6 A
Output Voltage-Max28 V
Output Voltage-Min1 V
Output Voltage-Nom3.3 V
Screening LevelAEC-Q100
Switcher ConfigurationBUCK
Switching Frequency-Max2200 kHz
TechnologyBICMOSCMOSCMOS
FamilyLVC/LCX/Z
Load Capacitance (CL)50 pF
Logic IC TypeBUFFER
Max I(ol)0.032 A
Number of Inputs1
Power Supply Current-Max (ICC)0.01 mA
Prop. Delay@Nom-Sup5.4 ns
Propagation Delay (tpd)9.3 ns
Qualification StatusNot QualifiedNot Qualified
Schmitt TriggerYES
Supply Voltage-Max (Vsup)5.5 V
Supply Voltage-Min (Vsup)1.65 V
## SN74LVC2G17DSFR Alternates Showing resultsImage
Has ADCYES
Bit Size16
Bus CompatibilityI2C; SPI; UART
CPU FamilyMSP430
Clock Frequency-Max25 MHz
RAM (bytes)16384
RAM (words)16
ROM (words)131072
ROM ProgrammabilityFLASH
Speed25 MHz
Supply Voltage-Max3.6 V
Supply Voltage-Min1.8 V
Supply Voltage-Nom3.3 V
uPs/uCs/Peripheral ICs TypeSoC

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

Quick Links

INA2181A1IDSQTby Texas Instruments Operational

Amplifier, 2 Func, 150uV Offset-Max, 0.35MHz Band Width, PDSO10

INA2181A3IDSQRby Texas Instruments

Operational Amplifier, 2 Func, 150uV Offset-Max, 0.15MHz Band Width, PDSO10

INA2181A2IDSQRby Texas Instruments

Operational Amplifier, 2 Func, 150uV Offset-Max, 0.21MHz Band Width, PDSO10

INA2181A4IDSQRby Texas Instruments

Operational Amplifier, 2 Func, 150uV Offset-Max, 0.105MHz Band Width, PDSO10

INA2181A4IDSQTby Texas Instruments

Operational Amplifier, 2 Func, 150uV Offset-Max, 0.105MHz Band Width, PDSO10

INA2181A3IDSQTby Texas Instruments

Operational Amplifier, 2 Func, 150uV Offset-Max, 0.15MHz Band Width, PDSO10

INA2181A2IDSQTby Texas Instruments

Operational Amplifier, 2 Func, 150uV Offset-Max, 0.21MHz Band Width, PDSO10

Why Look for Alternatives?

Finding alternatives for INA2181A1IDSQR 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 INA2181A1IDSQR 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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FAQ

What is equivalent to INA2181A1IDSQR?

Known equivalents for INA2181A1IDSQR include INA2181A1IDSQT, LMR36506MSC3RPERQ1, SN74LVC2G17DSFR. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of INA2181A1IDSQR?

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 INA2181A1IDSQR 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.