INA138NA/3K Amplifiers & Comparators by Texas Instruments


Status: Unknown
Series: INA138 Series
RoHS: Unknown
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The INA138 and INA168 are high-side, unipolar, current shunt monitors. Wide input common-mode voltage range, low quiescent current, and tiny SOT23 packaging enable use in a variety of applications. Input common-mode and power-supply voltages are independent and can range from 2.7 V to 36 V for the INA138 and 2.7 V to 60 V for the INA168. Quiescent current is only 25 µA, which permits connecting the power supply to either side of the current measurement shunt with minimal error. The device converts a differential input voltage to a current output. This current is converted back to a voltage with an external load resistor that sets any gain from 1 to over 100. Although designed for current shunt measurement, the circuit invites creative applications in measurement and level shifting. Both the INA138 and INA168 are available in SOT235 and are specified for the –40°C to 125°C temperature range.

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Prices starting from US$0.50

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No. of Amplifiers 1 Amplifier
Input Bias Current 2µA
Amplifier Case Style SOT-23
No. of Pins 5Pins
Operating Temperature Min -40°C
Operating Temperature Max 125°C
Bandwidth 800kHz
Supply Voltage Min 2.7V
Supply Voltage Max 36V
Input Offset Voltage 2mV
CMRR 120dB
Product Range INA138 Series
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 2 - 1 year
SVHC No SVHC (27-Jun-2018)

Alternative Descriptions

Current Sense Amplifier, 800Khz, Sot-23 | Newark Electronics
2.7 to 36V, 800kHz Variable gain current sense amplifier | Texas Instruments

Frequently Asked Questions

Where can I find additional details, specifications and documents for a INA138NA/3K?

Additional datasheets, footprints and schematics for INA138NA/3K are listed on our Part Details page. You can also find images and similar parts to INA138NA/3K on this page.

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What category does INA138NA/3K fall under?

The INA138NA/3K is listed under Semiconductors - ICs > Amplifiers & Comparators > Current Sense Amplifiers.

Can I view similar or alternative parts?

You can view similar parts to INA138NA/3K when available in the Current Sense Amplifiers range under the specifications section at the bottom of the details page.

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Is the INA138NA/3K RoHS compliant?

This part has not been flagged as RoHS Compliant.

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Authorised distributors including Newark Electronics, element14, Farnell and Texas Instruments have stock available or on a lead time for INA138NA/3K.

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