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INA226AIDGST 数据表(PDF) 4 Page - Texas Instruments |
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INA226AIDGST 数据表(HTML) 4 Page - Texas Instruments |
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4 / 33 page ![]() INA226 SBOS547 – JUNE 2011 www.ti.com ELECTRICAL CHARACTERISTICS: VS = +3.3V (continued) Boldface limits apply over the specified temperature range, TA = –40°C to +125°C. At TA = +25°C, VIN+ = 12V, VSENSE = (VIN+ – VIN–) = 0mV, VBUS = 12V, unless otherwise noted. INA226 PARAMETER CONDITIONS MIN TYP MAX UNIT POWER SUPPLY Operating supply range +2.7 +5.5 V Quiescent current 330 420 μA Quiescent current, power-down mode 0.5 2 μA Power-on reset threshold 2 V TEMPERATURE RANGE Specified range –40 +125 °C THERMAL INFORMATION INA226 THERMAL METRIC(1) DGS UNITS 10 PINS θJA Junction-to-ambient thermal resistance 171.4 θJCtop Junction-to-case (top) thermal resistance 42.9 θJB Junction-to-board thermal resistance 91.8 °C/W ψJT Junction-to-top characterization parameter 1.5 ψJB Junction-to-board characterization parameter 90.2 θJCbot Junction-to-case (bottom) thermal resistance n/a (1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953. 4 Submit Documentation Feedback Copyright © 2011, Texas Instruments Incorporated Product Folder Link(s): INA226 |
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