Is there a pin-compatible replacement for OPA2171AIDR?

Yes, ADA4077-2ARZ-R7 is available in the same SOIC-8 package and is expected to be pin-compatible. However, it is not a direct drop-in replacement due to its different supply voltage requirements, which must be checked before substitution.

What risks should I check before replacing OPA2171AIDR?

The main risk is electrical incompatibility. Check the supply voltage: the OPA2171AIDR works from 2.7V to 36V, while many alternatives have a narrower range. Also, check AC characteristics like bandwidth and slew rate to ensure circuit stability and performance are maintained.

OPA2171AIDR Alternatives, Datasheet & Cross Reference | Texas Instruments

Finding a substitute for the OPA2171AIDR involves carefully matching its key feature: a very wide 2.7V to 36V supply range. While several dual op-amps exist in the same SOIC-8 package, they often have more limited voltage ratings, requiring careful engineering review.

AI replacement insight

Electrical riskhigh

Most alternatives have a narrower supply voltage range (e.g., 5-30V), which may be incompatible with the existing circuit.

Package risklow

Many dual op-amps are available in the same SOIC-8 package with a standard pinout.

Can it be replaced directly?

There is no direct drop-in replacement for OPA2171AIDR due to its uniquely wide 2.7V to 36V supply range. Alternatives require careful supply voltage verification.

Best replacement path

ADA4077-2ARZ-R7 is the closest parametric alternative if the application's supply voltage is within 5V to 30V. It offers similar performance in the same package.

Main risk

The primary risk is the narrower supply voltage range of most alternatives. The OPA2171AIDR's ability to operate from 2.7V to 36V is a key feature that is difficult to match.

Recommended alternatives

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Alternative comparison matrix

Feature / factor	OPA2171AIDR	ADA4077-2ARZ-R7	AD8397ARZ-REEL7	Compatibility / risk
Package	SOIC-8	SOIC-8	SOIC-8	SOIC-8 — Package matches.; AD8397ARZ-REEL7: Package matches.
Channels	2	2	2	2 — Dual channel op-amp matches.; AD8397ARZ-REEL7: Dual channel op-amp matches.
Voltage	2.7V to 36V	5V to 30V	3V to 24V	5V to 30V / 3V to 24V — Narrower supply range. Target supports lower (2.7V) and higher (36V) voltages.; AD8397ARZ-REEL7: Significantly narrower supply range than target's 2.7V to 36V.
Gbp	3 MHz	3.9 MHz	35 MHz	3.9 MHz / 35 MHz — Gain bandwidth product is very similar.; AD8397ARZ-REEL7: Much higher bandwidth may affect circuit stability.
Slew Rate	1.5 V/µs	1.2 V/µs	-	1.2 V/µs — Slew rate is very similar.
Application	General Purpose	-	High Output Current	High Output Current — This is a high current driver, unlike the general-purpose target.

Application & sourcing insights

Questions & answers

The best alternative to OPA2171AIDR is ADA4077-2ARZ-R7, which offers very similar performance. However, you must verify your circuit's supply voltage is between 5V and 30V, as its range is narrower than the OPA2171AIDR's 2.7V to 36V.