OPA340UA vs OPA349UAG4

This in-depth comparison of the OPA340UA and OPA349UAG4 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

OPA340UA

Texas Instruments

Lifecycle
Active
Stock
7736 PCS
Series
Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps
Part B

OPA349UAG4

Texas Instruments

Lifecycle
Active
Stock
7928 PCS
Package
SOIC-8
Series
Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

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Full specification comparison

Use manufacturer datasheets as the final authority.

Specification OPA340UA OPA349UAG4
Supplier - Texas Instruments
Part Status Active Discontinued at Digi-Key
Amplifier Type General Purpose General Purpose
Number of Circuits 1 1
Output Type Rail-to-Rail Rail-to-Rail
Slew Rate 6V/µs 0.02V/µs
Gain Bandwidth Product 5.5 MHz 70 kHz
Current - Input Bias 0.2 pA 0.5 pA
Voltage - Input Offset 150 µV 2 mV
Supply Current 750µA 1µA
Current - Output / Channel 50 mA 8 mA
Voltage - Supply Span(Min) 2.5 V 1.8 V
Voltage - Supply Span(Max) 5.5 V 5.5 V
Operating Temperature -40°C ~ 85°C 0°C ~ 70°C
Mounting Type Surface Mount Surface Mount
Series MicroAmplifier™ -