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ADC10321 Arkusz danych(PDF) 5 Page - Texas Instruments |
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ADC10321 Arkusz danych(HTML) 5 Page - Texas Instruments |
5 / 26 page ADC10321 www.ti.com SNAS028F – JUNE 2000 – REVISED MAY 2013 ABSOLUTE MAXIMUM RATINGS (1) (2) (3) Positive Supply Voltage (V = VA = VD) 6.5V Voltage on Any I/O Pin −0.3V to (VA or VD) +0.3V) Input Current at Any Pin(4) ±25mA Package Input Current(4) ±50mA Package Dissipation at TA = 25°C See (5) ESD Susceptibility(6) Human Body Model 1500V Machine Model 200V Soldering Temp., Infrared, 10 sec.(7) 235°C Storage Temperature −65°C to +150°C (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 ensure specific performance limits. For ensured specifications and test conditions, see the Electrical Characteristics. The ensured 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) If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/Distributors for availability and specifications. (4) When the input voltage at any pin exceeds the power supplies ( VIN < AGND or VIN > VA or VD), the current at that pin should be limited to 25mA. The 50mA maximum package input current rating limits the number of pins that can safely exceed the power supplies with an input current of 25mA to two. (5) 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. In the 32-pin TQFP, θJA is 69°C/W, so PDMAX = 1,811 mW at 25°C and 942mW at the maximum operating ambient temperature of 85°C. Note that the power dissipation of this device under normal operation will typically be about 110mW (98mW quiescent power + 2mW reference ladder power +10mW due to 10 TTL load on each digital output). The values for maximum power dissipation listed above will be reached only when the ADC10321 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. (6) Human body model is 100 pF capacitor discharged through a 1.5k Ω resistor. Machine model is 220 pF discharged through ZERO Ω. (7) The 235°C reflow temperature refers to infared reflow. For Vapor Phase Reflow (VPR), the following conditions apply: Maintain the temperature at the top of the package body above 183°C for a minimum 60 seconds. The temperature measured on the package body must not exceed 220°C. Only one excursion above 183°C is allowed per reflow cycle. OPERATING RATINGS (1) (2) Operating Temperature −40°C ≤ TA ≤ +85°C VA, VD Supply Voltage +4.5V to +5.5V VD I/O Supply Voltage +2.7V to 5.5V VIN Voltage Range 1.3V to (VA-1.0V) VREF + Voltage Range 2.3V to (VA-1.0V) VREF− Voltage Range 1.3V to 3.0V PD, CLK, OE Voltage −0.3V to + 5.5V (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 ensure specific performance limits. For ensured specifications and test conditions, see the Electrical Characteristics. The ensured 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. Copyright © 2000–2013, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: ADC10321 |
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