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INA149AIDR Datasheet(PDF) 5 Page - Texas Instruments |
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INA149AIDR Datasheet(HTML) 5 Page - Texas Instruments |
5 / 24 page 6 8 3 1 2 7 4 5 NC V+ V OUT REF B −IN +IN + 20 k 380 k 380 k 380 k 19 k REF A V− INA149 www.ti.com SBOS579A – SEPTEMBER 2011 – REVISED NOVEMBER 2011 THERMAL INFORMATION INA149 THERMAL METRIC(1) D (SOIC) UNITS 8 PINS θJA Junction-to-ambient thermal resistance 110 θJCtop Junction-to-case (top) thermal resistance 57 θJB Junction-to-board thermal resistance 54 °C/W ψJT Junction-to-top characterization parameter 11 ψJB Junction-to-board characterization parameter 53 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. PIN CONFIGURATION D PACKAGE SOIC-8 (TOP VIEW) PIN DESCRIPTIONS NAME NO. DESCRIPTION –IN 2 Inverting input +IN 3 Noninverting input NC 8 No internal connection REFA 5 Reference input REFB 1 Reference input V – 4 Negative power supply V+ 7 Positive power supply(1) VOUT 6 Output (1) In this document, (V+) – (V–) is referred to as VS. Copyright © 2011, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Link(s): INA149 |
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