High-Side Measurement Current Shunt Monitor, Current Output

The INA139 and INA169 are high-side, unipolar, current shunt monitors. Wide input common-mode voltage range, high-speed, 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 2.7V to 40V for the INA139 and 2.7V to 60V for the INA169. Quiescent current is only 60??A, 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 INA139 and INA169 are available in SOT23-5 packages and are specified for the 40C to +85C industrial temperature range. By Texas Instruments
Part Manufacturer Description Datasheet Samples
INA139NA/250 Texas Instruments 36-V, High-Side, High-Speed, Current Output Current Shunt Monitor 5-SOT-23 -40 to 125
INA139NA/3K Texas Instruments 36-V, High-Side, High-Speed, Current Output Current Shunt Monitor 5-SOT-23 -40 to 125
INA139NA/250G4 Texas Instruments 36-V, High-Side, High-Speed, Current Output Current Shunt Monitor 5-SOT-23 -40 to 125
INA139NA/3KG4 Texas Instruments 36-V, High-Side, High-Speed, Current Output Current Shunt Monitor 5-SOT-23 -40 to 125
INA139NA/3KQ1 Texas Instruments 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5, SOT-23, 5 PIN
INA139QPWRQ1 Texas Instruments Automotive Grade, 36-V, High-Side, High-Speed, Current Output Current Shunt Monitor 8-TSSOP -40 to 125
INA139QPWRG4Q1 Texas Instruments Automotive Grade, 36-V, High-Side, High-Speed, Current Output Current Shunt Monitor 8-TSSOP -40 to 125
INA139 's PackagesINA139 's pdf datasheet
INA139NA-250 SOT-23
INA139NA-250G4 SOT-23
INA139NA-3K SOT-23
INA139NA-3KG4 SOT-23




INA139 Pinout, Pinouts
INA139 pinout,Pin out
This is one package pinout of INA139,If you need more pinouts please download INA139's pdf datasheet.

INA139 Application circuits
INA139 circuits
This is one application circuit of INA139,If you need more circuits,please download INA139's pdf datasheet.


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