INA121PAAlternatives & Equivalent Parts
About INA121PA
INA121PA is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Dual-In-Line Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Specification Comparison
| Parameter | INA121PASource | LP87524JRNFRQ1 | LM22670MR-ADJ/NOPB |
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Dual-In-Line Packages | Other | Small Outline Packages |
| Pin Count | 8 | 31 | 8 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C |
| Price | $3.7500 | $1.7570 | $1.1580 |
| Electrical Parameters | |||
| Pbfree Code | Yes | Yes | Yes |
| YTEOL | 15 | 15 | 15 |
| Amplifier Type | INSTRUMENTATION AMPLIFIER | — | — |
| Average Bias Current-Max (IIB) | 0.00005 µA | — | — |
| Bandwidth (3dB)-Nom | 0.6 MHz | — | — |
| Bias Current-Max (IIB) @25C | 0.00005 µA | — | — |
| Common-mode Reject Ratio-Min | 106 dB | — | — |
| Input Offset Current-Max (IIO) | 5e-7 µA | — | — |
| Input Offset Voltage-Max | 500 µV | — | — |
| JESD-30 Code | R-PDIP-T8 | R-PQCC-N26 | R-PDSO-G8 |
| JESD-609 Code | e4 | e3 | e3 |
| Neg Supply Voltage Limit-Max | -18 V | — | — |
| Neg Supply Voltage-Nom (Vsup) | -15 V | — | — |
| Non-linearity-Max | 0.002% | — | — |
| Number of Functions | 1 | 1 | 1 |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | DIP8,.3 | LCC26,.16X.18,20 | SOP8,.25 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | IN-LINE | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | SMALL OUTLINE, HEAT SINK/SLUG, LOW PROFILE |
| Packing Method | TUBE | — | — |
| Qualification Status | Not Qualified | — | — |
| Slew Rate-Nom | 0.7 V/us | — | — |
| Subcategory | Instrumentation Amplifier | — | — |
| Supply Current-Max | 0.53 mA | — | — |
| Supply Voltage Limit-Max | 18 V | — | — |
| Supply Voltage-Nom (Vsup) | 15 V | — | — |
| Surface Mount | NO | YES | YES |
| Temperature Grade | INDUSTRIAL | AUTOMOTIVE | AUTOMOTIVE |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) | Matte Tin (Sn) |
| Terminal Form | THROUGH-HOLE | NO LEAD | GULL WING |
| Terminal Pitch | 2.54 mm | 0.5 mm | 1.27 mm |
| Terminal Position | DUAL | QUAD | DUAL |
| Voltage Gain-Max | 10000 | — | — |
| Voltage Gain-Min | 1 | — | — |
| Voltage Gain-Nom | 10 | — | — |
| Date Of Intro | — | 2017-12-06 | — |
| Additional Feature | — | ALSO OPERATES WITH PFM MODE; ADJ OUTPUT VOLTAGE= 0.6V TO 3.36V | ALSO HAS ADJUSTABLE OUTPUTS AS LOW AS 1.285V |
| Analog IC - Other Type | — | SWITCHING REGULATOR | SWITCHING REGULATOR |
| Control Mode | — | CURRENT-MODE | VOLTAGE-MODE |
| Control Technique | — | PULSE WIDTH MODULATION | PULSE WIDTH MODULATION |
| Input Voltage-Max | — | 5.5 V | 42 V |
| Input Voltage-Min | — | 2.8 V | 4.5 V |
| Input Voltage-Nom | — | 3.7 V | 12 V |
| Number of Outputs | — | 4 | 1 |
| Output Current-Max | — | 4 A | 3 A |
| Output Voltage-Max | — | 3.36 V | 37 V |
| Output Voltage-Min | — | 0.6 V | 1.285 V |
| Peak Reflow Temperature (Cel) | — | 260 | 260 |
| Screening Level | — | AEC-Q100 | — |
| Switcher Configuration | — | BUCK | BUCK |
| Switching Frequency-Max | — | 4400 kHz | 1000 kHz |
| Technology | — | BICMOS | — |
| Time@Peak Reflow Temperature-Max (s) | — | 30 | 30 |
| ## LM22670MR-ADJ/NOPB Alternates Showing results | — | — | Image |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Why Look for Alternatives?
Finding alternatives for INA121PA 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 INA121PA 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 INA121PA?
Known equivalents for INA121PA include LP87524JRNFRQ1, LM22670MR-ADJ/NOPB. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of INA121PA?
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 INA121PA 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.