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ADS131E08S Datasheet(PDF) 6 Page - Texas Instruments |
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ADS131E08S Datasheet(HTML) 6 Page - Texas Instruments |
6 / 67 page 6 ADS131E08S SBAS705A – JUNE 2015 – REVISED JANUARY 2016 www.ti.com Product Folder Links: ADS131E08S Submit Documentation Feedback Copyright © 2015–2016, Texas Instruments Incorporated 7.3 Recommended Operating Conditions over operating ambient temperature range (unless otherwise noted) MIN NOM MAX UNIT POWER SUPPLY AVDD Analog power supply AVDD to AVSS 2.7 5.0 5.25 V DVDD Digital power supply DVDD to DGND 1.7 1.8 3.6 V Analog to digital supply AVDD to DVDD –2.1 3.6 V ANALOG INPUTS VIN Differential input voltage VIN = V(AINP) – V(AINN) –VREF / Gain VREF / Gain V VCM Common-mode input voltage VCM = (V(AINP) – V(AINN)) / 2 See the Input Common-Mode Range section V VOLTAGE REFERENCE INPUTS REFN Negative reference input AVSS V EXTERNAL CLOCK SOURCE fCLK Master clock rate CLKSEL pin = 0, (AVDD – AVSS) = 3 V 1.7 2.048 2.25 MHz CLKSEL pin = 0, (AVDD – AVSS) = 5 V 1.0 2.048 2.25 DIGITAL INPUTS Input voltage DGND – 0.1 DVDD + 0.1 V TEMPERATURE RANGE TA Operating ambient temperature –40 105 °C (1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953. 7.4 Thermal Information THERMAL METRIC(1) ADS131E08S UNIT PAG (TQFP) 64 PINS RθJA Junction-to-ambient thermal resistance 46.2 °C/W RθJC(top) Junction-to-case (top) thermal resistance 5.8 °C/W RθJB Junction-to-board thermal resistance 19.6 °C/W ψJT Junction-to-top characterization parameter 0.2 °C/W ψJB Junction-to-board characterization parameter 19.2 °C/W RθJC(bot) Junction-to-case (bottom) thermal resistance n/a °C/W |
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