OPA4991IPWRAlternatives & Equivalent Parts
About OPA4991IPWR
OPA4991IPWR is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Small Outline Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Specification Comparison
| Parameter | OPA4991IPWRSource | OPA4991QPWRQ1 | AD628ARMZ | OPA4991IDYYR |
|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Analog Devices | Texas Instruments |
| Package Type | Small Outline Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages |
| Pin Count | 14 | 14 | 8 | 14 |
| Temperature Range | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 125.0°C |
| Price | $0.8200 | $1.8600 | $2.9800 | $1.8400 |
| Electrical Parameters | ||||
| Pbfree Code | Yes | Yes | No | Yes |
| Date Of Intro | 2020-06-05 | — | — | — |
| YTEOL | 15 | 15 | 10 | 15 |
| Amplifier Type | OPERATIONAL AMPLIFIER | OPERATIONAL AMPLIFIER | OPERATIONAL AMPLIFIER | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK | VOLTAGE-FEEDBACK | VOLTAGE-FEEDBACK | VOLTAGE-FEEDBACK |
| Common-mode Reject Ratio-Min | 109 dB | 107 dB | 75 dB | 109 dB |
| Common-mode Reject Ratio-Nom | 130 dB | 130 dB | 75 dB | 130 dB |
| Frequency Compensation | YES | YES | YES | YES |
| Input Offset Voltage-Max | 830 µV | 895 µV | 1500 µV | 830 µV |
| JESD-30 Code | R-PDSO-G14 | R-PDSO-G14 | S-PDSO-G8 | R-PDSO-G14 |
| JESD-609 Code | e3 | e4 | e4 | e4 |
| Low-Bias | NO | YES | NO | NO |
| Low-Offset | YES | YES | NO | YES |
| Micropower | NO | YES | NO | NO |
| Neg Supply Voltage Limit-Max | -21 V | — | -18 V | -21 V |
| Neg Supply Voltage-Nom (Vsup) | -4 V | — | -15 V | -4 V |
| Number of Functions | 4 | 4 | 1 | 4 |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP14,.25 | TSSOP14,.25 | SSOP8,.19 | TSSOP14,.14,20 |
| Package Shape | RECTANGULAR | RECTANGULAR | SQUARE | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Packing Method | TR | TR | — | TR |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | 260 |
| Power | NO | NO | NO | NO |
| Programmable Power | NO | NO | NO | NO |
| Slew Rate-Nom | 21 V/us | 21 V/us | 0.3 V/us | 21 V/us |
| Supply Current-Max | 2.74 mA | 3 mA | 1.6 mA | 2.74 mA |
| Supply Voltage Limit-Max | 21 V | 42 V | 18 V | 21 V |
| Supply Voltage-Nom (Vsup) | 4 V | 4 V | 15 V | 4 V |
| Surface Mount | YES | YES | YES | YES |
| Technology | CMOS | — | — | CMOS |
| Temperature Grade | AUTOMOTIVE | AUTOMOTIVE | INDUSTRIAL | — |
| Terminal Finish | Matte Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 0.65 mm | 0.65 mm | 0.65 mm | 0.5 mm |
| Terminal Position | DUAL | DUAL | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | 30 | 30 |
| Unity Gain BW-Nom | 4500 | 4500 | — | 4500 |
| Voltage Gain-Min | 158489.3192 | 112201.8 | 3162277.8 | 158489.3192 |
| Wideband | NO | NO | NO | NO |
| ## OPA4991IPWR Alternates Showing results | Image | — | — | — |
| Screening Level | — | AEC-Q100 | — | — |
| Manufacturer Package Code | — | — | RM-8 | — |
| Average Bias Current-Max (IIB) | — | — | 0.003 µA | — |
| Bias Current-Max (IIB) @25C | — | — | 0.003 µA | — |
| Input Offset Current-Max (IIO) | — | — | 0.0005 µA | — |
| Qualification Status | — | — | Not Qualified | — |
| ## AD628ARMZ Alternates Showing results | — | — | Image | — |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
Why Look for Alternatives?
Finding alternatives for OPA4991IPWR is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating OPA4991IPWR replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
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Request Alternatives for OPA4991IPWRFAQ
What is equivalent to OPA4991IPWR?
Known equivalents for OPA4991IPWR include OPA4991QPWRQ1, AD628ARMZ, OPA4991IDYYR. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of OPA4991IPWR?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify OPA4991IPWR alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.