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ADC3442IRTQT bảng dữ liệu(PDF) 8 Page - Texas Instruments |
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ADC3442IRTQT bảng dữ liệu(HTML) 8 Page - Texas Instruments |
8 / 83 page ADC3441, ADC3442, ADC3443, ADC3444 SBAS670A – JULY 2014 – REVISED OCTOBER 2015 www.ti.com 7.8 AC Performance: ADC3441 Typical values are over the operating free-air temperature range, at TA = 25°C, full temperature range is TMIN = –40°C to TMAX = 85°C, ADC sampling rate = 25 MSPS, 50% clock duty cycle, AVDD = DVDD = 1.8 V, and –1-dBFS differential input, unless otherwise noted. ADC3441 (fS = 25 MSPS) DITHER ON DITHER OFF PARAMETER TEST CONDITIONS MIN TYP MAX MIN TYP MAX UNIT fIN = 10 MHz 73.1 73.5 fIN = 20 MHz 70.9 72.9 73.4 fIN = 70 MHz 72.5 73 Signal-to-noise ratio (from 1-MHz offset) fIN = 100 MHz 72.4 72.7 fIN = 170 MHz 71.4 71.7 fIN = 230 MHz 70.3 70.5 SNR dBFS fIN = 10 MHz 72.4 72.9 fIN = 20 MHz 72.2 72.7 fIN = 70 MHz 71.9 72.4 Signal-to-noise ratio (full Nyquist band) fIN = 100 MHz 71.7 72.0 fIN = 170 MHz 70.9 71.1 fIN = 230 MHz 69.7 69.9 fIN = 10 MHz –143.7 –144.1 fIN = 20 MHz –143.5 –141.5 –143.9 fIN = 70 MHz –143.1 –143.6 Noise spectral density NSD(1) dBFS/Hz (averaged across Nyquist zone) fIN = 100 MHz –143.0 –143.3 fIN = 170 MHz –142.0 –142.3 fIN = 230 MHz –140.9 –141.1 fIN = 10 MHz 73.1 73.4 fIN = 20 MHz 69.9 72.9 73.2 fIN = 70 MHz 71.7 71.9 Signal-to-noise and distortion SINAD(1) dBFS ratio fIN = 100 MHz 72.6 72.8 fIN = 170 MHz 71.2 71.4 fIN = 230 MHz 69.9 70.1 fIN = 10 MHz 11.9 11.9 fIN = 20 MHz 11.3 11.8 11.8 fIN = 70 MHz 11.7 11.8 ENOB(1) Effective number of bits Bits fIN = 100 MHz 11.8 11.8 fIN = 170 MHz 11.5 11.6 fIN = 230 MHz 11.3 11.4 fIN = 10 MHz 91 89 fIN = 20 MHz 82 91 85 fIN = 70 MHz 92 87 SFDR Spurious-free dynamic range dBc fIN = 100 MHz 85 82 fIN = 170 MHz 86 85 fIN = 230 MHz 81 81 (1) Reported from a 1-MHz offset. 8 Submit Documentation Feedback Copyright © 2014–2015, Texas Instruments Incorporated Product Folder Links: ADC3441 ADC3442 ADC3443 ADC3444 |
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