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ADS1292 Datasheet(PDF) 6 Page - Texas Instruments |
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ADS1292 Datasheet(HTML) 6 Page - Texas Instruments |
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6 / 69 page  ADS1291 ADS1292 ADS1292R SBAS502A – DECEMBER 2011 – REVISED MARCH 2012 www.ti.com ELECTRICAL CHARACTERISTICS (continued) Minimum and maximum specifications apply from –40°C to +85°C. Typical specifications are at +25°C. All specifications are at DVDD = 1.8 V, AVDD – AVSS = 3 V (1), V REF = 2.42 V, external fCLK = 512 kHz, data rate = 500 SPS, CFILTER = 4.7 nF (2), and gain = 6, unless otherwise noted. ADS1291, ADS1292, ADS1292R PARAMETER TEST CONDITIONS MIN TYP MAX UNIT SUPPLY CURRENT (RLD Amplifier Turned Off) AVDD – AVSS = 3 V 205 μA IAVDD AVDD – AVSS = 5 V 250 μA Normal mode DVDD = 3.3 V 75 μA IDVDD DVDD = 1.8 V 32 μA POWER DISSIPATION (Analog Supply = 3 V, RLD Amplifier Turned Off) Normal mode 670 740 µW ADS1292 and ADS1292R Standby mode 160 µW Quiescent power dissipation Normal mode 450 495 µW ADS1291 Standby mode 160 µW ADS1292R Normal mode 335 µW Quiescent power dissipation, per ADS1292 Normal mode 335 µW channel ADS1291 Normal mode 450 µW POWER DISSIPATION (Analog Supply = 5 V, RLD Amplifier Turned Off) Normal mode 1300 µW ADS1292 and ADS1292R Standby mode 340 µW Quiescent power dissipation Normal mode 950 µW ADS1291 Standby mode 340 µW ADS1292R Normal mode 670 µW Quiescent power dissipation, per ADS1292 Normal mode 670 µW channel ADS1291 Normal mode 860 µW POWER DISSIPATION IN POWER-DOWN MODE DVDD = 1.8 V 1 µW Analog supply = 3 V DVDD = 3.3 V 4 µW DVDD = 1.8 V 5 µW Analog supply = 5 V DVDD = 3.3 V 10 µW TEMPERATURE Specified temperature range –40 +85 °C Operating temperature range –40 +85 °C Storage temperature range –60 +150 °C THERMAL INFORMATION ADS1291, ADS1292, ADS1292R THERMAL METRIC(1) UNITS PBS (TQFP) 32 PINS θJA Junction-to-ambient thermal resistance 68.4 θJCtop Junction-to-case (top) thermal resistance 25.9 θJB Junction-to-board thermal resistance 30.5 °C/W ψJT Junction-to-top characterization parameter 0.5 ψJB Junction-to-board characterization parameter 24.3 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. 6 Submit Documentation Feedback Copyright © 2011–2012, Texas Instruments Incorporated Product Folder Link(s): ADS1291 ADS1292 ADS1292R |
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