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ADS6445QFN-64 Datasheet(PDF) 6 Page - Texas Instruments |
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ADS6445QFN-64 Datasheet(HTML) 6 Page - Texas Instruments |
6 / 71 page ELECTRICAL CHARACTERISTICS ADS6445-EP SLAS573 – FEBRUARY 2008 ............................................................................................................................................................................................ www.ti.com Typical values are at 25°C, min and max values are across the full junction temperature range TJ,MIN = –55°C to TJ,MAX = 125°C, AVDD = LVDD = 3.3 V, maximum rated sampling frequency, 50% clock duty cycle, –1 dBFS differential analog input, internal reference mode (unless otherwise noted). ADS6445 Fs = 125 MSPS PARAMETER TEST CONDITIONS UNIT MIN TYP MAX DYNAMIC AC CHARACTERISTICS Fin = 10 MHz 73.7 Fin = 50 MHz 68.5 73.1 Fin = 70 MHz 72.7 Fin = 100 MHz 72.1 SNR dBFS Signal to noise ratio 0 dB gain 69.9 Fin = 170 MHz 3.5 dB Coarse gain 69.4 0 dB gain 68.7 Fin = 230 MHz 3.5 dB Coarse gain 68.1 Fin = 10 MHz 73.4 Fin = 50 MHz 67.75 72.3 Fin = 70 MHz 71.2 SINAD Fin = 100 MHz 71.8 Signal to noise and dBFS 0 dB gain 67.9 distortion ratio Fin = 170 MHz 3.5 dB Coarse gain 68.3 0 dB gain 67.8 Fin = 230 MHz 3.5 dB Coarse gain 67.9 RMS Inputs tied to common-mode 1.05 LSB Output noise Fin = 10 MHz 87 Fin = 50 MHz 69 81 Fin = 70 MHz 78 SFDR Fin = 100 MHz 86 Spurious free dynamic dBc 0 dB gain 76 range Fin = 170 MHz 3.5 dB Coarse gain 79 0 dB gain 77 Fin = 230 MHz 3.5 dB Coarse gain 80 Fin = 10 MHz 93 Fin = 50 MHz 69 87 Fin = 70 MHz 87 Fin = 100 MHz 89 HD2 dBc Second harmonic 0 dB gain 83 Fin = 170 MHz 3.5 dB Coarse gain 85 0 dB gain 80 Fin = 230 MHz 3.5 dB Coarse gain 82 Fin = 10 MHz 87 Fin = 50 MHz 69 81 Fin = 70 MHz 78 Fin = 100 MHz 86 HD3 dBc Third harmonic 0 dB gain 76 Fin = 170 MHz 3.5 dB Coarse gain 79 0 dB gain 77 Fin = 230 MHz 3.5 dB Coarse gain 80 6 Submit Documentation Feedback Copyright © 2008, Texas Instruments Incorporated Product Folder Link(s): ADS6445-EP |
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