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ADS6444IRGCRG4 Arkusz danych(PDF) 8 Page - Texas Instruments |
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ADS6444IRGCRG4 Arkusz danych(HTML) 8 Page - Texas Instruments |
8 / 80 page ADS6445, ADS6444 ADS6443, ADS6442 SLAS531B – MAY 2007 – REVISED DECEMBER 2009 www.ti.com ELECTRICAL CHARACTERISTICS (continued) Typical values are at 25°C, min and max values are across the full temperature range TMIN = –40°C to TMAX = 85°C, AVDD = LVDD = 3.3 V, maximum rated sampling frequency, 50% clock duty cycle, –1dBFS differential analog input, internal reference mode (unless otherwise noted). ADS6445 ADS6444 ADS6443 ADS6442 Fs = 125 MSPS Fs = 105 MSPS Fs = 80 MSPS Fs = 65 MSPS PARAMETER TEST CONDITIONS UNIT MIN TYP MAX MIN TYP MAX MIN TYP MAX MIN TYP MAX Fin = 10 MHz 87 91 92 93 Fin = 50 MHz 73 81 80 77 87.5 79 88 Fin = 70 MHz 78 74 81 86 86 Fin = 100 MHz 86 88 84 82 HD3 0 dB gain 76 79 80 81 Third dBc Fin = 170 harmonic 3.5 dB 79 83 84 84 MHz Coarse gain 0 dB gain 77 77 78 79 Fin = 230 3.5 dB 80 80 82 82 MHz Coarse gain Fin = 10 MHz 91 91 94 95 Fin = 50 MHz 87 87 92 93 Worst harmonic Fin = 100 MHz 90 91 92 92 dBc (other than HD2, HD3) Fin = 170 MHz 88 88 90 90 Fin = 230 MHz 87 87 87 87 Fin = 10 MHz 86 89.5 90 91 Fin = 50 MHz 71 80 75 85.5 77 85.6 THD Fin = 70 MHz 72 79 Total dBc harmonic Fin = 100 MHz 84.5 86 83 80.5 distortion Fin = 170 MHz 73.5 77 78.5 79.5 Fin = 230 MHz 74 75 76 77 ENOB Fin = 50 MHz 11.0 11.7 11.1 11.9 11.4 12 Effective Bits 11.3 11.7 Fin = 70 MHz number of bits F1= 46.09 MHz, 88 90 96 100 IMD F2 = 50.09 MHz 2-Tone dBFS intermodulatio F1= 185.09 MHz, 86 88 93 96 n distortion F2 = 190.09 MHz Near channel 90 92 94 100 Cross-talk signal frequency = 10 MHz Cross-talk dBc Far channel 103 105 106 108 Cross-talk signal frequency = 10 MHz Recovery to within 1% (of final 1 1 1 1 Clock Input overload value) for 6-dB overload with cycles recovery sine wave input AC PSRR 35 35 35 35 dBc Power Supply < 100 MHz signal, 100 mVPP Rejection on AVDD supply Ratio 8 Submit Documentation Feedback Copyright © 2007–2009, Texas Instruments Incorporated Product Folder Link(s): ADS6445, ADS6444 ADS6443, ADS6442 |
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