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ADS5474IPFPR Datasheet(PDF) 4 Page - Texas Instruments |
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ADS5474IPFPR Datasheet(HTML) 4 Page - Texas Instruments |
4 / 41 page ADS5474 SLAS525B – JULY 2007 – REVISED FEBRUARY 2012 www.ti.com ELECTRICAL CHARACTERISTICS (continued) Typical values at TA = +25°C: minimum and maximum values over full temperature range TMIN = –40°C to TMAX = +85°C, sampling rate = 400 MSPS, 50% clock duty cycle, AVDD5 = 5 V, AVDD3 = 3.3 V, DVDD3 = 3.3 V, –1 dBFS differential input, and 3-VPP differential clock, unless otherwise noted. ADS5474 PARAMETER TEST CONDITIONS UNIT MIN TYP MAX POWER SUPPLY IAVDD5 5-V analog supply current 338 372 mA IAVDD3 3.3-V analog supply current VIN = full-scale, fIN = 70 MHz, 185 201 mA fS = 400 MSPS 3.3-V digital supply current IDVDD3 75 83 mA (includes LVDS) Total power dissipation 2.5 2.797 W Power-up time From turn-on of AVDD5 50 μs From PWD pin switched from HIGH (PWD Wake-up time active) to LOW (ADC awake) 5 μs (see Figure 28) Power-down power dissipation PWD pin = logic HIGH 50 350 mW Power-supply rejection ratio, PSRR 75 dB AVDD5 supply Power-supply rejection ratio, Without 0.1- μF board supply capacitors, PSRR 90 dB AVDD3 supply with < 1-MHz supply noise (see Figure 49) Power-supply rejection ratio, PSRR 110 dB DVDD3 supply DYNAMIC AC CHARACTERISTICS fIN = 30 MHz 70.3 fIN = 70 MHz 68.3 70.2 fIN = 130 MHz 70.1 fIN = 230 MHz 68 69.8 SNR Signal-to-noise ratio fIN = 351 MHz 69.1 dBFS fIN = 451 MHz 68.4 fIN = 651 MHz 67.5 fIN = 751 MHz 66.6 fIN = 999 MHz 64.7 fIN = 30 MHz 88 fIN = 70 MHz 74 86 fIN = 130 MHz 80 fIN = 230 MHz 71 80 SFDR Spurious-free dynamic range fIN = 351 MHz 76 dBc fIN = 451 MHz 71 fIN = 651 MHz 60 fIN = 751 MHz 55 fIN = 999 MHz 46 fIN = 30 MHz 89 fIN = 70 MHz 87 fIN = 130 MHz 90 fIN = 230 MHz 84 HD2 Second-harmonic fIN = 351 MHz 76 dBc fIN = 451 MHz 71 fIN = 651 MHz 74 fIN = 751 MHz 70 fIN = 999 MHz 55 4 Submit Documentation Feedback Copyright © 2007–2012, Texas Instruments Incorporated Product Folder Link(s): ADS5474 |
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