INA139 - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

INA139
Manufacturer

TI
ChipWorker Part#

CW111664000
RoHS

Lead free / RoHS Compliant
Description

36V, High-Side, High-Speed, Current Output Current Shunt Monitor
Documentation

Datasheet

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INA139 Specifications

Attribute	Attribute Value

Part Number	INA139
Manufacturer	TI
ChipWorker Part#	CW111664000
Documentation	Datasheet
Case/Package	SOT-23-5
	expand all
RoHS	RoHS Compliant
Lead-Free Status	Lead Free

Product Description

The INA139 and INA169 are high-side, unipolar, current shunt monitors. Wide input common-mode voltage range, high-speed, low quiescent current, and tiny SOT-23 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 40 V for the INA139 and 2.7 V to 60 V for the INA169. Quiescent current is only 60 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 INA139 and INA169 are available in 5-pin SOT-23 packages, and are specified for the –40°C to 85°C temperature range.
Complete Unipolar High-side Current
Measurement Circuit
Wide Supply and Common-Mode Range
INA139: 2.7 V to 40 V
INA169: 2.7 V to 60 V
Independent Supply and Input Common-Mode
Voltages
Single Resistor Gain Set
Low Quiescent Current: 60 µA (Typical)
5-Pin, SOT-23 Packages

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