INA121U vs INA129UA

This in-depth comparison of the INA121U and INA129UA provides valuable insights into their specifications and key features. We cover important factors in detail, including RoHS compliance, REACH status, series, mounting style, package type, and other relevant characteristics. Presenting the differences side by side simplifies component selection, making it easier for you to select the best option for your specific application.

Technical review by ETEI Component Engineering Source: manufacturer documentation

Parts at a glance

Part A

INA121U

Burr Brown

Lifecycle
Active
Stock
7595 PCS
Series
Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps
+BOM RFQ
Part B

INA129UA

Texas Instruments

Lifecycle
Active
Stock
2747 PCS
Series
Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps
+BOM RFQ

Need help validating a replacement?

Send your BOM and application constraints for technical and sourcing review.

RFQ Contact technical support

Full specification comparison

Use manufacturer datasheets as the final authority.

Specification INA121U INA129UA
Part Status Active Active
Amplifier Type Instrumentation Instrumentation
Number of Circuits 1 1
Slew Rate 0.7V/µs 4V/µs
-3 dB Bandwidth 5 kHz 1.3 MHz
Current - Input Bias 4 pA 20 nA
Voltage - Input Offset 200 µV 25 µV
Supply Current 450µA 700µA
Current - Output / Channel 14 mA 15 mA
Voltage - Supply Span(Min) 4.5 V 4.5 V
Voltage - Supply Span(Max) 36 V 36 V
Operating Temperature -55°C ~ 125°C -40°C ~ 125°C
Mounting Type Surface Mount Surface Mount
Compare RFQ