What the ±1% accuracy means for your BOM
The ±1% accuracy determines whether this part fits a precision current-monitoring line.
High- and low-side flexibility
The INA381A2IDSGR supports both high-side and low-side current sensing.
INA381A2IDSGR Current Sense, Zero-Drift, ±1% Accuracy
MPNINA381A2IDSGR
End of Life
Texas Instruments Zero-Drift series, INA381A2IDSGR Current Sense, ±1% accuracy, High/Low-Side, 0V ~ 26V input, -40°C ~ 125°C, 8-WFDFN Exposed Pad, Surface Mount, 8-WSON (2x2).
$0.61Ref. price · indicative, final on quote
Packaging8-WFDFN Exposed Pad
RoHSROHS3 Compliant
SeriesZero-Drift
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026
Specifications
| Parameter | Value |
|---|---|
| Series | Zero-Drift |
| Mounting | Surface Mount |
| Voltage - input | 0V ~ 26V |
| Operating temperature | -40°C ~ 125°C (TA) |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| Accuracy | ±1% |
| Function | Current Sense |
| Case | 8-WFDFN Exposed Pad |
| Sensing method | High/Low-Side |
Product details
Frequently asked questions
Does INA381A2IDSGR have a built-in comparator?
The INA381A2IDSGR is a current-sense amplifier; the evidence does not specify an integrated comparator. For a part with a built-in comparator, check the INA381 family datasheet for the A1 variant which may include that feature.
What is the typical application for INA381A2IDSGR?
Typical applications include current monitoring in industrial motor drives, automotive ECU power rails, battery management systems, and power-supply output stages where ±1% accuracy over -40°C to 125°C is required.