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ADC14L020 Datasheet(PDF) 6 Page - Texas Instruments |
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ADC14L020 Datasheet(HTML) 6 Page - Texas Instruments |
6 / 33 page ADC14L020 SNAS325C – JUNE 2005 – REVISED MARCH 2006 www.ti.com Absolute Maximum Ratings (1) (2) VA, VD, VDR 4.2V |VA–VD| ≤ 100 mV Voltage on Any Input or Output Pin −0.3V to (VA or VD +0.3V) Input Current at Any Pin (3) ±25 mA Package Input Current (3) ±50 mA Package Dissipation at TA = 25°C See (4) ESD Susceptibility Human Body Model (5) 2500V Machine Model (5) 250V Storage Temperature −65°C to +150°C Soldering process must comply with National Semiconductor's Reflow Temperature Profile specifications. Refer to www.national.com/packaging.(6) (1) All voltages are measured with respect to GND = AGND = DGND = 0V, unless otherwise specified. (2) Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is functional, but do not guarantee specific performance limits. For guaranteed specifications and test conditions, see the Electrical Characteristics. The guaranteed specifications apply only for the test conditions listed. Some performance characteristics may degrade when the device is not operated under the listed test conditions. (3) When the input voltage at any pin exceeds the power supplies (that is, VIN < AGND, or VIN > VA), the current at that pin should be limited to 25 mA. The 50 mA maximum package input current rating limits the number of pins that can safely exceed the power supplies with an input current of 25 mA to two. (4) The absolute maximum junction temperature (TJmax) for this device is 150°C. The maximum allowable power dissipation is dictated by TJmax, the junction-to-ambient thermal resistance (θJA), and the ambient temperature, (TA), and can be calculated using the formula PDMAX = (TJmax - TA )/θJA. The values for maximum power dissipation listed above will be reached only when the device is operated in a severe fault condition (e.g. when input or output pins are driven beyond the power supply voltages, or the power supply polarity is reversed). Obviously, such conditions should always be avoided. (5) Human body model is 100 pF capacitor discharged through a 1.5 k Ω resistor. Machine model is 220 pF discharged through 0Ω. (6) Reflow temperature profiles are different for lead-free and non-lead-free packages. Operating Ratings (1) (2) Operating Temperature −40°C ≤ TA ≤ +85°C Supply Voltage (VA, VD) +3.0V to +3.6V Output Driver Supply (VDR) +2.4V to VD CLK, PD −0.05V to (VD + 0.05V) Clock Duty Cycle (DCS On) 20% to 80% Clock Duty Cycle (DCS Off) 40% to 60% Analog Input Pins 0V to 2.6V VCM 0.5V to 2.0V |AGND–DGND| ≤100mV (1) Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is functional, but do not guarantee specific performance limits. For guaranteed specifications and test conditions, see the Electrical Characteristics. The guaranteed specifications apply only for the test conditions listed. Some performance characteristics may degrade when the device is not operated under the listed test conditions. (2) All voltages are measured with respect to GND = AGND = DGND = 0V, unless otherwise specified. 6 Submit Documentation Feedback Copyright © 2005–2006, Texas Instruments Incorporated Product Folder Links: ADC14L020 |
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