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ADS54250 Datasheet(PDF) 2 Page - Texas Instruments |
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ADS54250 Datasheet(HTML) 2 Page - Texas Instruments |
2 / 19 page ADS5422 2 SBAS250C www.ti.com DESIRED FULL-SCALE RANGE SEL1 SEL2 INTERNAL VREF 4Vp-p GND GND 2V 3Vp-p GND +VSA 1.5V 2Vp-p VREF GND 1V +VSA, +VSD, VDRV ............................................................................... +6V Analog Input .......................................................... (–0.3V) to (+VS + 0.3V) Logic Input ............................................................ (–0.3V) to (+VS + 0.3V) Case Temperature ......................................................................... +100 °C Junction Temperature .................................................................... +150 °C Storage Temperature ..................................................................... +150 °C NOTE: (1) Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. Exposure to absolute maximum conditions for extended periods may affect device reliability. ABSOLUTE MAXIMUM RATINGS(1) ELECTROSTATIC DISCHARGE SENSITIVITY This integrated circuit can be damaged by ESD. Texas Instru- ments recommends that all integrated circuits be handled with appropriate precautions. Failure to observe proper handling and installation procedures can cause damage. ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more susceptible to damage because very small parametric changes could cause the device not to meet its published specifications. SPECIFIED PACKAGE TEMPERATURE PACKAGE ORDERING TRANSPORT PRODUCT PACKAGE-LEAD DESIGNATOR RANGE MARKING NUMBER MEDIA, QUANTITY ADS5422 LQFP-64 PM –40 °C to +85°C ADS5422Y ADS5422Y/ 250 Tape and Reel, 250 " """ " ADS5422Y/1K5 Tape and Reel, 1500 NOTE: (1) For the most current package and ordering information, see the Package Option Addendum located at the end of this data sheet.. PACKAGE/ORDERING INFORMATION(1) TIMING DIAGRAM NOTE: For external reference operation, tie VREF to +VSA. The full-scale range will be 2x the reference value. For example, selecting a 2V external reference will set the full-scale values of 1.5V to 3.5V for both IN and IN inputs. SYMBOL DESCRIPTION MIN TYP MAX UNITS tCONV Clock Period 16.1 1 µsns tL Clock Pulse LOW 7.05 tCONV/2 ns tH Clock Pulse HIGH 7.05 tCONV/2 ns tA Aperture Delay 3 ns t 1 Data Hold Time, CL = 0pF 3.9 ns t2 New Data Delay Time, CL = 15pF max 7.7 ns tDV Data Valid Output, CL = 15pF 3 ns 10 Clock Cycles Data Invalid t A t DV t L t H t CONV N – 10 N – 9N – 8N – 7N – 6N – 5N – 4N – 3N – 2N – 1N Data Out Data Valid Output Clock Analog In N t 2 N + 1 N + 2 N + 3 N + 4 N + 5 N + 6 N + 7 N + 8 N + 9 N + 10 t 1 REFERENCE AND FULL-SCALE RANGE SELECT PRODUCT DESCRIPTION USER’S GUIDE ADS5422EVM Populated Evaluation Board SBAU084 EVALUATION BOARD |
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