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INA139-Q1 Datasheet(PDF) 1 Page - Texas Instruments |
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INA139-Q1 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 25 page R S 2 1 OUT GND R L V O = ISRSRL/1kΩ Load 1kΩ 1kΩ V IN+ Up to 60V V IN+ V IN– 3 4 I S V+ 5 Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design INA139, INA169 SBOS181E – DECEMBER 2000 – REVISED DECEMBER 2015 INA1x9 High-Side Measurement Current Shunt Monitor 1 Features 3 Description The INA139 and INA169 are high-side, unipolar, 1 • Complete Unipolar High-side Current current shunt monitors. Wide input common-mode Measurement Circuit voltage range, high-speed, low quiescent current, and • Wide Supply and Common-Mode Range tiny SOT-23 packaging enable use in a variety of • INA139: 2.7 V to 40 V applications. • INA169: 2.7 V to 60 V Input common-mode and power-supply voltages are • Independent Supply and Input Common-Mode 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 Voltages current is only 60 µA, which permits connecting the • Single Resistor Gain Set power supply to either side of the current • Low Quiescent Current: 60 µA (Typical) measurement shunt with minimal error. • 5-Pin, SOT-23 Packages The device converts a differential input voltage to a current output. This current is converted back to a 2 Applications voltage with an external load resistor that sets any gain from 1 to over 100. Although designed for • Current Shunt Measurement: current shunt measurement, the circuit invites – Automotive, Telephone, Computers creative applications in measurement and level • Portable and Battery-Backup Systems shifting. • Battery Chargers Both the INA139 and INA169 are available in 5-pin • Power Management SOT-23 packages, and are specified for the –40°C to • Cell Phones 85°C temperature range. • Precision Current Source Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) INA139 SOT-23 (5) 2.90 mm × 1.60 mm INA169 (1) For all available packages, see the orderable addendum at the end of the data sheet. Typical Application Circuit 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
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