Features:
-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. The INA139 device is specified for the –40°C to 125°C temperature range, and the INA169 is specified from –40°C to 85°C.
-This module is very easy to use, it is only necessary to connect a power supply between 2.7 V to 60 V, connect V to V- from the positive supply and ground. Then measure the output using a multi meter.
-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
Specifications:
-Resistance :0.1 ohm 1% 2 W
-Supply Voltage :2.7 V to 60 V
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