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ADS5484IRGCTG4 Datasheet(PDF) 6 Page - Texas Instruments |
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ADS5484IRGCTG4 Datasheet(HTML) 6 Page - Texas Instruments |
6 / 37 page ADS5484 ADS5485 SLAS610C – AUGUST 2008 – REVISED OCTOBER 2009 ............................................................................................................................................... www.ti.com ELECTRICAL CHARACTERISTICS (ADS5484, ADS5485) (continued) Typical values at TA = 25°C: minimum and maximum values over full temperature range TMIN = –40°C to TMAX = 85°C, sampling rate = max rated, 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. ADS5484 ADS5485 PARAMETER TEST CONDITIONS UNIT MIN TYP MAX MIN TYP MAX fIN = 10 MHz 84 97 84 99 fIN = 30 MHz 84 91 82 87 fIN = 70 MHz 87 87 HD3 Third-harmonic, dither disabled dBc fIN = 130 MHz 78 86 78 85 fIN = 170 MHz 82 81 fIN = 230 MHz 73 73 fIN = 10 MHz 84 96 84 93 fIN = 30 MHz 84 91 82 90 Worst harmonic/spur fIN = 70 MHz 90 90 (other than HD2 and HD3), dither dBc fIN = 130 MHz 78 91 78 90 disabled fIN = 170 MHz 90 90 fIN = 230 MHz 87 87 fIN = 10 MHz 81 92 81 92 fIN = 30 MHz 81 86 79 85 fIN = 70 MHz 86 85 Total harmonic distortion, dither THD dBc disabled fIN = 130 MHz 75 84 75 81 fIN = 170 MHz 78 76 fIN = 230 MHz 70 70 fIN = 10 MHz 73.5 75.8 71.5 74.6 fIN = 30 MHz 73 75 71 73.8 fIN = 70 MHz 74.3 73.7 Signal-to-noise and distortion, dither SINAD dBc disabled fIN = 130 MHz 71.5 73.8 70 72.9 fIN = 170 MHz 72.9 71.7 fIN = 230 MHz 68.7 68.4 fIN1 = 29.5 MHz, fIN2 = 30.5 MHz, 99.1 95.9 Each at –7 dBFS Two-tone SFDR (worst spurious or IMD dBFS IMD) fIN1 = 69.5 MHz, fIN2 = 70.5 MHz, 95.3 95.2 Each at –10 dBFS Effective number of bits fIN = 10 MHz (from SINAD in dBc 11.92 12.3 11.58 12.1 ENOB Bits at -1dBFS) 2.9 2.9 LSB rms Noise RMS idle-channel noise Analog inputs shorted together 78 78 dBFS LVDS DIGITAL OUTPUTS Assumes a 100- Ω differential VOD Differential output voltage (±) load on each LVDS pair and 247 350 454 247 350 454 mV LVDS bias = 3.5 mA VOC Common-mode output voltage 1.125 1.25 1.375 1.125 1.25 1.375 V DIGITAL INPUTS VIH High-level input voltage 2 2 V VIL Low-level input voltage 0.8 0.8 V IIH High-level input current PDWNF, PDWNS, DITHER 1 1 μA IIL Low-level input current -1 -1 μA Input capacitance 2 2 pF 6 Submit Documentation Feedback Copyright © 2008–2009, Texas Instruments Incorporated Product Folder Link(s): ADS5484 ADS5485 |
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