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ADS1191IPBS Arkusz danych(PDF) 6 Page - Texas Instruments |
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ADS1191IPBS Arkusz danych(HTML) 6 Page - Texas Instruments |
6 / 68 page ADS1191 ADS1192 SBAS566A – DECEMBER 2011 – REVISED SEPTEMBER 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 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. ADS1191, ADS1192 PARAMETER TEST CONDITIONS MIN TYP MAX UNIT POWER DISSIPATION (Analog Supply = 3 V, RLD Turned Off) Normal mode 670 740 µW ADS1192 Standby mode 160 µW Quiescent power dissipation Normal mode 450 495 µW ADS1191 Standby mode 160 µW Quiescent power ADS1192 Normal mode 350 µW dissipation, per ADS1191 Normal mode 400 µW channel POWER DISSIPATION (Analog Supply = 5 V, RLD Turned Off) Normal mode 1300 µW ADS1192 Standby mode 340 µW Quiescent power dissipation Normal mode 950 µW ADS1191 Standby mode 340 µW Quiescent power ADS1192 Normal mode 670 µW dissipation, per ADS1191 Normal mode 860 µW channel 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 ADS1191, ADS1192 THERMAL METRIC(1) PBS (TQFP) RSM (QFN) UNITS 32 PINS 32 PINS θJA Junction-to-ambient thermal resistance 68.4 33.7 θJCtop Junction-to-case (top) thermal resistance 25.9 36.4 θJB Junction-to-board thermal resistance 30.5 25.2 °C/W ψJT Junction-to-top characterization parameter 0.5 0.2 ψJB Junction-to-board characterization parameter 24.3 7.4 θJCbot Junction-to-case (bottom) thermal resistance N/A 2.2 (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 Links: ADS1191 ADS1192 |
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