Texas Instruments INA139NA/250

Enrgtech Part No: ET10871343
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Manufacturer Part No:
INA139NA/250
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Manufacturer: Texas Instruments

INA139NA-250 Texas Instruments INA139NA/250

Product Information

Minimum CMRR:

100dB

Dimensions:

2.9 x 1.6 x 1.15mm

Mounting Type:

Surface Mount

Power Supply Type:

Single

Number of Channels per Chip:

Typical Single Supply Voltage:

3 V, 5 V, 9 V, 12 V, 15 V, 18 V, 24 V, 28 V

Height:

1.15mm

Width:

1.6mm

Length:

2.9mm

Package Type:

SOT-23

Minimum Operating Temperature:

-40 °C

Maximum Operating Supply Voltage:

40 V

Checking for live stock

The Texas Instruments INA139NA/250 is a high-side, unipolar current shunt monitor that offers precise current sense amplification from 2.7 V to 40 V. Housed in a space-saving 5-pin SOT-23 (DBV) package, it supports versatile variable gain using a single external resistor, making it ideal for compact, modular designs.

Ultra Low-Power, Wide Voltage Range

Boasting a typical quiescent current of just 60 µA, the INA139NA/250 operates efficiently across a broad range of input and supply voltages, from 2.7 V to 40 V, enabling integration into battery-powered or power-sensitive applications.

High Accuracy, Rugged Performance

With an accuracy of approximately ±0.5% and specified for use in harsh conditions (–40°C to +125°C), this amplifier ensures dependable performance under demanding conditions, critical for industrial, automotive, or power management systems.

Simplified Design, Superior Performance

The single‑resistor gain configuration simplifies circuit design and enables flexible calibration. Together with robust packaging quality (RoHS‑compliant, NIPDAU lead finish, MSL Level‑2, 260 °C reflow rated) and active production status, it’s a reliable choice for long‑term supply continuity.

ESD Control Selection Guide V1(Technical Reference)

Mult Dev A/T Chgs 30/Aug/2023(PCN Assembly/Origin)

Copper Wire Cancelation 04/Mar/2014(PCN Other)

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