OPA129UB vs OPA121KU/2K5E4

This in-depth comparison of the OPA129UB and OPA121KU/2K5E4 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

OPA129UB

Texas Instruments

Lifecycle
Active
Stock
5642 PCS
Series
Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps
+BOM RFQ
Part B

OPA121KU/2K5E4

Texas Instruments

Lifecycle
Active
Stock
7238 PCS
Package
SOIC-8
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 OPA129UB OPA121KU/2K5E4
Supplier - Texas Instruments
Series Difet® Difet®
Part Status Obsolete Obsolete
Amplifier Type General Purpose General Purpose
Number of Circuits 1 1
Slew Rate 2.5V/µs 2V/µs
Gain Bandwidth Product 1 MHz 2 MHz
Current - Input Bias 0.03 pA 1 pA
Voltage - Input Offset 500 µV 500 µV
Supply Current 1.2mA 2.5mA
Current - Output / Channel 10 mA 10 mA
Voltage - Supply Span(Min) 10 V 10 V
Voltage - Supply Span(Max) 36 V 36 V
Operating Temperature -40°C ~ 85°C 0°C ~ 70°C
Mounting Type Surface Mount Surface Mount
Compare RFQ