INA121UA vs INA128UG4

This in-depth comparison of the INA121UA and INA128UG4 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

INA121UA

Texas Instruments

Lifecycle
Active
Stock
1397 PCS
Series
Linear - Amplifiers - Instrumentation, Op Amps, Buffer Amps
+BOM RFQ
Part B

INA128UG4

Texas Instruments

Lifecycle
Active
Stock
6667 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 INA121UA INA128UG4
Supplier - Texas Instruments
Part Status Active Discontinued at Digi-Key
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 2 nA
Voltage - Input Offset 300 µV 10 µV
Supply Current 450µA 700µA
Current - Output / Channel 14 mA 15 mA
Voltage - Supply Span(Min) - 4.5 V
Voltage - Supply Span(Max) - 36 V
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C
Mounting Type Surface Mount Surface Mount
Base Product Number INA121 -
Voltage - Supply Span (Min) 4.5 V -
Voltage - Supply Span (Max) 36 V -
Packaging Tube -
Compare RFQ