OPA4171AIPWR vs OPA4189IPWT

This in-depth comparison of the OPA4171AIPWR and OPA4189IPWT 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

OPA4171AIPWR

Texas Instruments

Lifecycle: Active
Stock: 4085 PCS
Series: Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

+BOM RFQ

Part B

OPA4189IPWT

Texas Instruments

Lifecycle: Active
Stock: 2023 PCS
Package: TSSOP-14
Series: Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

+BOM RFQ

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Full specification comparison

Use manufacturer datasheets as the final authority.

Specification	OPA4171AIPWR	OPA4189IPWT
Supplier	-	Texas Instruments
Part Status	Active	Active
Amplifier Type	General Purpose	General Purpose
Number of Circuits	4	4
Output Type	Rail-to-Rail	Rail-to-Rail
Slew Rate	1.5V/µs	20V/µs
Gain Bandwidth Product	3 MHz	14 MHz
-3 dB Bandwidth	-	8 MHz
Current - Input Bias	8 pA	70 pA
Voltage - Input Offset	250 µV	800 µV
Supply Current	475µA (x4 Channels)	1.3mA (x4 Channels)
Current - Output / Channel	35 mA	65 mA
Voltage - Supply Span(Min)	2.7 V	4.5 V
Voltage - Supply Span(Max)	36 V	36 V
Operating Temperature	-40°C ~ 125°C	-40°C ~ 125°C (TA)
Mounting Type	Surface Mount	Surface Mount

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