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ADC3422IRTQT bảng dữ liệu(PDF) 10 Page - Texas Instruments |
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ADC3422IRTQT bảng dữ liệu(HTML) 10 Page - Texas Instruments |
10 / 79 page ADC3421, ADC3422, ADC3423, ADC3424 SBAS673A – JULY 2014 – REVISED OCTOBER 2015 www.ti.com 7.9 AC Performance: ADC3422 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 = 50 MSPS, 50% clock duty cycle, AVDD = DVDD = 1.8 V, and –1-dBFS differential input, unless otherwise noted. ADC3422 (fS = 50 MSPS) DITHER ON DITHER OFF PARAMETER TEST CONDITIONS MIN TYP MAX MIN TYP MAX UNIT fIN = 10 MHz 70.8 71 fIN = 20 MHz 68.9 70.6 70.8 fIN = 70 MHz 70.5 70.7 Signal-to-noise ratio (from 1-MHz offset) fIN = 100 MHz 70.4 70.6 fIN = 170 MHz 69.8 70.1 fIN = 230 MHz 68.8 69 SNR dBFS fIN = 10 MHz 70.2 70.4 fIN = 20 MHz 69.8 70.0 fIN = 70 MHz 69.7 69.9 Signal-to-noise ratio (full Nyquist band) fIN = 100 MHz 69.8 70.1 fIN = 170 MHz 69.3 69.5 fIN = 230 MHz 68.2 68.4 fIN = 10 MHz –144.6 –144.8 fIN = 20 MHz –144.4 –142.7 –144.6 fIN = 70 MHz –144.3 –144.5 Noise spectral density NSD(1) dBFS/Hz (averaged across Nyquist zone) fIN = 100 MHz –144.2 –144.4 fIN = 170 MHz –143.6 –143.9 fIN = 230 MHz –142.6 –142.8 fIN = 10 MHz 70.8 71 fIN = 20 MHz 67.9 70.7 70.9 fIN = 70 MHz 70.3 70.6 Signal-to-noise and distortion SINAD(1) dBFS ratio fIN = 100 MHz 70.6 70.8 fIN = 170 MHz 69.7 69.9 fIN = 230 MHz 68.6 68.8 fIN = 10 MHz 11.5 11.5 fIN = 20 MHz 11 11.4 11.5 fIN = 70 MHz 11.4 11.5 ENOB(1) Effective number of bits Bits fIN = 100 MHz 11.4 11.5 fIN = 170 MHz 11.3 11.3 fIN = 230 MHz 11.1 11.1 fIN = 10 MHz 90 92 fIN = 20 MHz 82 95 90 fIN = 70 MHz 93 92 SFDR Spurious-free dynamic range dBc fIN = 100 MHz 87 87 fIN = 170 MHz 87 86 fIN = 230 MHz 83 83 (1) Reported from a 1-MHz offset. 10 Submit Documentation Feedback Copyright © 2014–2015, Texas Instruments Incorporated Product Folder Links: ADC3421 ADC3422 ADC3423 ADC3424 |
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