INA281B3QDBVRQ1Alternatives & Equivalent Parts
About INA281B3QDBVRQ1
INA281B3QDBVRQ1 is a Integrated Circuit component manufactured by Texas Instruments. It comes in a SOT23 (5-Pin) package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Specification Comparison
| Parameter | INA281B3QDBVRQ1Source | INA281B3IDBVR | INA281B3IDBVT |
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | SOT23 (5-Pin) | SOT23 (5-Pin) | SOT23 (5-Pin) |
| Pin Count | 5 | 5 | 5 |
| Temperature Range | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C |
| Price | $1.4521 | — | $1.3031 |
| Electrical Parameters | |||
| Pbfree Code | Yes | Yes | — |
| Date Of Intro | 2020-11-08 | 2020-08-31 | 2020-08-31 |
| YTEOL | 15 | 15 | 0 |
| Amplifier Type | OPERATIONAL AMPLIFIER | OPERATIONAL AMPLIFIER | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK | TRANSCONDUCTANCE | TRANSCONDUCTANCE |
| Average Bias Current-Max (IIB) | 30 µA | 30 µA | 30 µA |
| Bias Current-Max (IIB) @25C | 30 µA | 30 µA | 30 µA |
| Common Mode Voltage-Max | 110 V | 110 V | 110 V |
| Common-mode Reject Ratio-Min | 120 dB | 120 dB | 120 dB |
| Common-mode Reject Ratio-Nom | 140 dB | 140 dB | 140 dB |
| Frequency Compensation | NO | NO | NO |
| Input Offset Voltage-Max | 250 µV | 250 µV | 250 µV |
| JESD-30 Code | R-PDSO-G5 | R-PDSO-G5 | R-PDSO-G5 |
| JESD-609 Code | e4 | e4 | e4 |
| Low-Bias | NO | NO | NO |
| Low-Offset | YES | NO | NO |
| Micropower | NO | NO | NO |
| Number of Functions | 1 | 1 | 1 |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | TSOP5,.11,37 | SOP5/6,.11,37 | SOP5/6,.11,37 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Packing Method | TR | TR | TR |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 |
| Power | NO | NO | NO |
| Programmable Power | NO | NO | NO |
| Screening Level | AEC-Q100 | — | — |
| Slew Rate-Nom | 2.5 V/us | 2.5 V/us | 2.5 V/us |
| Supply Current-Max | 2.25 mA | 2.25 mA | 2.25 mA |
| Supply Voltage Limit-Max | 22 V | 22 V | 22 V |
| Supply Voltage-Nom (Vsup) | 5 V | 5 V | 5 V |
| Surface Mount | YES | YES | YES |
| Temperature Grade | AUTOMOTIVE | AUTOMOTIVE | AUTOMOTIVE |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 0.95 mm | 0.95 mm | 0.95 mm |
| Terminal Position | DUAL | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | 30 |
| Unity Gain BW-Nom | 1000 | 1000 | 1000 |
| Voltage Gain-Nom | 100 | 100 | 100 |
| Wideband | NO | NO | NO |
| Technology | — | BICMOS | BICMOS |
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 INA281B3QDBVRQ1 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 INA281B3QDBVRQ1 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.
Can't Find What You Need?
Our sourcing team can help find compatible alternatives for INA281B3QDBVRQ1. Get expert recommendations within 24 hours.
Request Alternatives for INA281B3QDBVRQ1FAQ
What is equivalent to INA281B3QDBVRQ1?
Known equivalents for INA281B3QDBVRQ1 include INA281B3IDBVR, INA281B3IDBVT. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of INA281B3QDBVRQ1?
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 INA281B3QDBVRQ1 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.