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ADS7851 Arkusz danych(PDF) 4 Page - Texas Instruments |
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ADS7851 Arkusz danych(HTML) 4 Page - Texas Instruments |
4 / 38 page ADS7251, ADS7851 SBAS587A – JANUARY 2014 – REVISED APRIL 2014 www.ti.com 6 Specifications 6.1 Absolute Maximum Ratings (1) over operating free-air temperature range (unless otherwise noted) MIN MAX UNIT AVDD to GND –0.3 +7 V Supply voltage DVDD to GND –0.3 +7 V AINP_x to REFGND_x REFGND_x – 0.3 AVDD + 0.3 V Analog input voltage AINM_x to REFGND_x REFGND_x – 0.3 AVDD + 0.3 V Digital input voltage CS, SCLK to GND GND – 0.3 DVDD + 0.3 V Ground voltage difference | REFGND_x – GND | 0.3 V Input current Any pin except supply pins ±10 mA Maximum virtual junction temperature, TJ +150 °C (1) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. 6.2 Handling Ratings MIN MAX UNIT Tstg Storage temperature range –65 +150 °C Human body model (HBM) ESD stress voltage(2), ±2000 V JEDEC standard 22, test method A114-C.01 VESD (1), all pins Charged device model (CDM) ESD stress voltage(3), ±500 V JEDEC standard 22, test method C101 (1) Electrostatic discharge (ESD) to measure device sensitivity and immunity to damage caused by assembly line electrostatic discharges in to the device. (2) Level listed above is the passing level per ANSI, ESDA, and JEDEC JS-001. JEDEC document JEP155 states that ±2000-V HBM allows safe manufacturing with a standard ESD control process. (3) Level listed above is the passing level per EIA-JEDEC JESD22-C101. JEDEC document JEP157 states that ±500-V CDM allows safe manufacturing with a standard ESD control process. 6.3 Recommended Operating Conditions over operating free-air temperature range (unless otherwise noted) MIN NOM MAX UNIT AVDD Analog supply voltage 5 V DVDD Digital supply voltage 3.3 V 6.4 Thermal Information ADS7251, ADS7851 THERMAL METRIC(1) UNIT RTE (WQFN) 16 TERMINALS RθJA Junction-to-ambient thermal resistance 33.3 RθJC(top) Junction-to-case (top) thermal resistance 29.5 RθJB Junction-to-board thermal resistance 7.3 °C/W ψJT Junction-to-top characterization parameter 0.2 ψJB Junction-to-board characterization parameter 7.4 RθJC(bot) Junction-to-case (bottom) thermal resistance 0.9 (1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953. 4 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated Product Folder Links: ADS7251 ADS7851 |
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