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ADS1259-Q1 Datasheet(PDF) 5 Page - Texas Instruments |
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ADS1259-Q1 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 16 page ADS1259-Q1 www.ti.com SLASE20 – MARCH 2014 6.3 Recommended Operating Conditions over operating ambient temperature range (unless otherwise noted) MIN NOM MAX UNIT POWER SUPPLY AVDD to AVSS 4.75 5.0 5.25 V Analog power supply AVSS to DGND –2.6 –2.5 0 V Digital power supply DVDD to DGND 2.7 3.3 5.25 V ANALOG INPUTS Absolute input voltage AINP or AINN AVSS – 0.1 AVDD + 0.1 V Differential input voltage(1) V(IN) = (V(AINP) – V(AINN)) –Vref Vref V VOLTAGE REFERENCE INPUTS AVDD – AVSS + Reference input voltage Vref = (V(REFP) – V(REFN)) 0.5 2.5 V 0.2 Absolute negative reference voltage REFN AVSS – 0.1 AVSS REFP – 0.5 V Absolute positive reference voltage REFP REFN + 0.5 AVSS + 2.5 AVDD + 0.1 V EXTERNAL CLOCK SOURCES (f(CLK)) Crystal oscillator Frequency 2 7.3728 8 MHz Frequency 0.1 7.3728 8 MHz External clock Duty cycle 40% 60% DIGITAL INPUTS High-level input voltage, VIH 0.8 DVDD DVDD V Low-level input voltage, VIL DGND 0.2 DVDD V TEMPERATURE RANGE Operating ambient temperature, TA –40 125 °C (1) Excluding the effects of offset and gain error. 6.4 Thermal Information PW THERMAL METRIC(1) UNIT (20 TERMINALS) RθJA Junction-to-ambient thermal resistance 86.9 °C/W RθJC(top) Junction-to-case (top) thermal resistance 21 °C/W RθJB Junction-to-board thermal resistance 39.1 °C/W ψJT Junction-to-top characterization parameter 0.8 °C/W ψJB Junction-to-board characterization parameter 38.4 °C/W RθJC(bot) Junction-to-case (bottom) thermal resistance N/A °C/W (1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953. Copyright © 2014, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: ADS1259-Q1 |
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