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ADS4145 bảng dữ liệu(PDF) 3 Page - Texas Instruments |
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ADS4145 bảng dữ liệu(HTML) 3 Page - Texas Instruments |
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3 / 81 page  ADS4122, ADS4125 ADS4142, ADS4145 www.ti.com SBAS520A – FEBRUARY 2011 – REVISED MARCH 2011 ABSOLUTE MAXIMUM RATINGS (1) Over operating free-air temperature range, unless otherwise noted. VALUE UNIT Supply voltage range, AVDD –0.3 to 2.1 V Supply voltage range, DRVDD –0.3 to 2.1 V Voltage between AGND and DRGND –0.3 to 0.3 V Voltage between AVDD to DRVDD (when AVDD leads DRVDD) 0 to 2.1 V Voltage between DRVDD to AVDD (when DRVDD leads AVDD) 0 to 2.1 V INP, INM –0.3 to minimum (1.9, AVDD + 0.3) V Voltage applied to input pins CLKP, CLKM(2), DFS, OE –0.3 to AVDD + 0.3 V RESET, SCLK, SDATA, SEN –0.3 to 3.9 V Operating free-air temperature range, TA –40 to +85 °C Operating junction temperature range, TJ +125 °C Storage temperature range, TSTG –65 to +150 °C ESD, human body model (HBM) 2 kV (1) Stresses above these ratings may cause permanent damage. Exposure to absolute maximum conditions for extended periods may degrade device reliability. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those specified is not implied. (2) When AVDD is turned off, it is recommended to switch off the input clock (or ensure the voltage on CLKP, CLKM is less than |0.3V|. This prevents the ESD protection diodes at the clock input pins from turning on. THERMAL INFORMATION ADS4122/25/42/45 THERMAL METRIC(1) RGZ UNITS 48 PINS θJA Junction-to-ambient thermal resistance 29 θJCtop Junction-to-case (top) thermal resistance n/a θJB Junction-to-board thermal resistance 10 °C/W ψJT Junction-to-top characterization parameter 0.3 ψJB Junction-to-board characterization parameter 9 θJCbot Junction-to-case (bottom) thermal resistance 1.1 (1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953. Copyright © 2011, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Link(s): ADS4122 ADS4125 ADS4142 ADS4145 |
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