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ADS1299-4PAGR Datasheet(PDF) 7 Page - Texas Instruments |
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ADS1299-4PAGR Datasheet(HTML) 7 Page - Texas Instruments |
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7 / 79 page  7 ADS1299, ADS1299-4, ADS1299-6 www.ti.com SBAS499B – JULY 2012 – REVISED OCTOBER 2016 Product Folder Links: ADS1299 ADS1299-4 ADS1299-6 Submit Documentation Feedback Copyright © 2012–2016, Texas Instruments Incorporated 7.3 Recommended Operating Conditions over operating free-air temperature range (unless otherwise noted) MIN NOM MAX UNIT POWER SUPPLY Analog power supply AVDD to AVSS 4.75 5 5.25 V Digital power supply DVDD to DGND 1.8 1.8 3.6 V Analog to Digital supply AVDD – DVDD –2.1 3.6 V ANALOG INPUTS Full-scale differential input voltage VINxP – VINxN ±VREF / gain V Input common-mode range (VINxP + VINxN) / 2 See the Input Common-Mode Range subsection of the PGA Settings and Input Range section VOLTAGE REFERENCE INPUTS VREF Reference input voltage VREF = (VVREFP – VVREFN) 4.5 V VREFN Negative input AVSS V VREFP Positive input AVSS + 4.5 V CLOCK INPUT External clock input frequency CLKSEL pin = 0 1.5 2.048 2.25 MHz DIGITAL INPUTS Input voltage DGND DVDD V TEMPERATURE RANGE TA Operating temperature range –40 85 °C (1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report. 7.4 Thermal Information THERMAL METRIC(1) ADS1299-4, ADS1299-6, ADS1299 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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