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ADS5500IPAPR Arkusz danych(PDF) 5 Page - Texas Instruments |
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ADS5500IPAPR Arkusz danych(HTML) 5 Page - Texas Instruments |
5 / 29 page ADS5500 SBAS303C − DECEMBER 2003 − REVISED MARCH 2004 www.ti.com 5 ELECTRICAL CHARACTERISTICS (continued) Typ, min, and max values at TA = +25°C, full temperature range is TMIN = −40°C to tMAX = +85°C, sampling rate = 125MSPS, 50% clock duty cycle, AVDD = DRVDD = 3.3V, DLL On, −1dBFS differential input, and 3VPP differential clock, unless otherwise noted. PARAMETER UNIT MAX TYP MIN CONDITIONS Effective number of bits, ENOB fIN = 70MHz 11.3 Bits f = 10.1MHz, 15.1MHz (−7dBFS each tone) 85 dBc Two-tone intermodulation distortion, IMD f = 30.1MHz, 35.1MHz (−7dBFS each tone) 85 dBc f = 50.1MHz, 55.1MHz (−7dBFS each tone) 88 dBc Power Supply Total supply current, ICC VIN = full-scale, fIN = 55MHz AVDD = DRVDD = 3.3V 236 265 mA Analog supply current, IAVDD VIN = full-scale, fIN = 55MHz AVDD = DRVDD = 3.3V 175 190 mA Output buffer supply current, IDRVDD VIN = full-scale, fIN = 55MHz AVDD = DRVDD = 3.3V 61 75 mA Analog only 578 627 mW Power dissipation Total power with 10pF load on digital output to ground 780 875 mW Standby power With clocks running 181 250 mW DIGITAL CHARACTERISTICS Typ, min, and max values at TA = +25°C, full temperature range is TMIN = −40°C to tMAX = +85°C, sampling rate = 125MSPS, 50% clock duty cycle, AVDD = DRVDD = 3.3V, DLL On, −1dBFS differential input, and 3VPP differential clock, unless otherwise noted. PARAMETER CONDITIONS MIN TYP MAX UNIT Digital Inputs High-level input voltage 2.4 V Low-level input voltage 0.8 V High-level input current 10 µA Low-level input current 10 µA Input current for RESET −20 µA Input capacitance 4 pF Digital Outputs(1) Low-level output voltage CLOAD = 10pF(2), fS = 125MSPS 0.3 V High-level output voltage CLOAD = 10pF(2), fS = 125MSPS 3.0 V Output capacitance 3 pF (1) For optimal performance, all digital output lines (D0:D13), including the output clock, should see a similar load. (2) Equivalent capacitance to ground of (load + parasitics of transmission lines). |
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