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INA138NA/250G4

Current Sense Amplifier, 1 Amplifier, 2 µA, SOT-23, 5 Pins, -40 °C, 125 °C

TEXAS INSTRUMENTS INA138NA/250G4

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Manufacturer Part No:
INA138NA/250G4
Order Code:
3118120

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Product Overview

The INA138NA/250G4 is a 36V, high-side, Current Output Current Shunt Monitor, laser trimmed for very low offset voltage (50µV), drift (0.5µV/°C) and high common-mode rejection (120dB at G >=100). It operates with power supplies as low as ±2.25V and quiescent current is only 700µA - ideal for battery-operated systems. Internal input protection can withstand up to ±40V without damage. The INA138NA/250G4 is high-side, unipolar, current shunt monitors. Wide input common-mode voltage range, low quiescent current. Input common-mode and power-supply voltages are independent and can range from 2.7 to 36V for the INA138NA/250G4. Quiescent current is only 25µA, 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.
  • Complete unipolar high-side current measurement circuit
  • Wide supply and common-mode range
  • Independent supply and input common-mode voltages
  • Single resistor gain set
  • Low quiescent current of 25µA (typical)
  • Green product and no Sb/Br

Applications

Test & Measurement, Automotive, Communications & Networking, Computers & Computer Peripherals, Portable Devices, Power Management, Consumer Electronics

Warnings

Device has limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.

Product Information

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:
1 Amplifier

:
2µA

:
SOT-23

:
5Pins

:
-40°C

:
125°C

:
800kHz

:
2.7V

:
36V

:
2mV

:
120dB

:
-

:
-

:
MSL 2 - 1 year
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