INA2143UAlternatives & Equivalent Parts
About INA2143U
INA2143U 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 | INA2143USource | INA2143UE4 | INA2143UA | INA2143UG4 | INA2143UAE4 |
|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Small Outline Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages |
| Pin Count | 14 | 14 | 14 | 14 | 14 |
| Temperature Range | -55.0°C ~ 125.0°C | -55.0°C ~ 125.0°C | -55.0°C ~ 125.0°C | -55.0°C ~ 125.0°C | -55.0°C ~ 125.0°C |
| Price | $3.6600 | — | $2.4300 | — | $2.3744 |
| Electrical Parameters | |||||
| Pbfree Code | Yes | Yes | Yes | — | Yes |
| YTEOL | 15 | 0 | 15 | 0 | 0 |
| Amplifier Type | OPERATIONAL AMPLIFIER | OPERATIONAL AMPLIFIER | OPERATIONAL AMPLIFIER | OPERATIONAL AMPLIFIER | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK | VOLTAGE-FEEDBACK | VOLTAGE-FEEDBACK | VOLTAGE-FEEDBACK | VOLTAGE-FEEDBACK |
| Bandwidth (3dB)-Nom | 0.15 MHz | 0.15 MHz | 0.15 MHz | — | 0.15 MHz |
| Common-mode Reject Ratio-Min | 80 dB | 80 dB | 80 dB | 86 dB | 80 dB |
| Common-mode Reject Ratio-Nom | 96 dB | 96 dB | 96 dB | 96 dB | 96 dB |
| Frequency Compensation | YES | YES | YES | YES | YES |
| Input Offset Voltage-Max | 250 µV | 500 µV | 250 µV | 500 µV | 250 µV |
| JESD-30 Code | R-PDSO-G14 | R-PDSO-G14 | R-PDSO-G14 | R-PDSO-G14 | R-PDSO-G14 |
| JESD-609 Code | e4 | e4 | — | e4 | e4 |
| Low-Bias | NO | NO | NO | NO | NO |
| Low-Offset | YES | YES | YES | YES | YES |
| Micropower | NO | NO | NO | NO | NO |
| Neg Supply Voltage Limit-Max | -18 V | -18 V | -18 V | -18 V | -18 V |
| Neg Supply Voltage-Nom (Vsup) | -5 V | -5 V | -5 V | -5 V | -5 V |
| Number of Functions | 2 | 2 | 2 | 2 | 2 |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SOP14,.3 | SOP14,.3 | SOP14,.3 | SOP14,.25 | SOP14,.3 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE |
| Packing Method | TUBE | TUBE | TUBE | TUBE | TUBE |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | 260 | 260 |
| Power | NO | NO | NO | NO | NO |
| Programmable Power | NO | NO | NO | NO | NO |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| Slew Rate-Nom | 4.5 V/us | 4.5 V/us | 4.5 V/us | 5 V/us | 4.5 V/us |
| Subcategory | Operational Amplifier | — | Operational Amplifier | — | Operational Amplifier |
| Supply Current-Max | 2.4 mA | 2.4 mA | 2.4 mA | 2.4 mA | 2.4 mA |
| Supply Voltage Limit-Max | 18 V | 18 V | 18 V | 18 V | 18 V |
| Supply Voltage-Nom (Vsup) | 5 V | 5 V | 5 V | 5 V | 5 V |
| Surface Mount | YES | YES | YES | YES | YES |
| Technology | BIPOLAR | BIPOLAR | BIPOLAR | BIPOLAR | BIPOLAR |
| Temperature Grade | MILITARY | MILITARY | MILITARY | MILITARY | MILITARY |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | NICKEL PALLADIUM GOLD | — | NICKEL PALLADIUM GOLD | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 1.27 mm | 1.27 mm | 1.27 mm | 1.27 mm | 1.27 mm |
| Terminal Position | DUAL | DUAL | DUAL | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | 30 | 30 | NOT SPECIFIED |
| Unity Gain BW-Nom | 150 | — | 150 | — | 150 |
| Voltage Gain-Max | 10 | 10 | 10 | — | 10 |
| Voltage Gain-Min | 0.1 | 0.1 | 0.1 | — | 0.1 |
| Voltage Gain-Nom | 10 | 10 | 10 | — | 10 |
| Wideband | NO | NO | NO | NO | NO |
| ## INA2143UE4 Alternates Showing results | — | Image | — | — | — |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
Amplifier, 2 Func, 500uV Offset-Max, 0.15MHz Band Width, BIPolar, PDSO14
Operational Amplifier, 2 Func, 250uV Offset-Max, 0.15MHz Band Width, BIPolar, PDSO14
Operational Amplifier, 2 Func, 250uV Offset-Max, 0.15MHz Band Width, BIPolar, PDSO14
Why Look for Alternatives?
Finding alternatives for INA2143U 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 INA2143U 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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What is equivalent to INA2143U?
Known equivalents for INA2143U include INA2143UE4, INA2143UA, INA2143UG4. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of INA2143U?
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 INA2143U 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.