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ADC3244IRGZT Datasheet(PDF) 9 Page - Texas Instruments |
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ADC3244IRGZT Datasheet(HTML) 9 Page - Texas Instruments |
9 / 82 page 9 ADC3241, ADC3242, ADC3243, ADC3244 www.ti.com SBAS671C – JULY 2014 – REVISED MARCH 2016 Product Folder Links: ADC3241 ADC3242 ADC3243 ADC3244 Submit Documentation Feedback Copyright © 2014–2016, Texas Instruments Incorporated (1) Reported from a 1-MHz offset. 7.8 AC Performance: ADC3241 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. PARAMETER TEST CONDITIONS ADC3241 (fS = 25 MSPS) UNIT DITHER ON DITHER OFF MIN TYP MAX MIN TYP MAX DYNAMIC AC CHARACTERISTICS SNR Signal-to-noise ratio (from 1-MHz offset) fIN = 10 MHz 73.3 73.7 dBFS fIN = 20 MHz 69.7 73.4 73.7 fIN = 70 MHz 72.8 73.2 fIN = 100 MHz 72.4 72.8 fIN = 170 MHz 71.3 71.6 fIN = 230 MHz 70.1 70.4 Signal-to-noise ratio (full Nyquist band) fIN = 10 MHz 72.2 72.6 dBFS fIN = 20 MHz 72.3 72.6 fIN = 70 MHz 71.8 72.2 fIN = 100 MHz 71.5 71.9 fIN = 170 MHz 70.5 70.8 fIN = 230 MHz 69.3 69.6 NSD(1) Noise spectral density (averaged across Nyquist zone) fIN = 10 MHz –143.9 –144.3 dBFS/Hz fIN = 20 MHz –144.0 –140.7 –144.3 fIN = 70 MHz –143.4 –143.8 fIN = 100 MHz –143.0 –143.4 fIN = 170 MHz –141.9 –142.2 fIN = 230 MHz –140.7 –141.0 SINAD(1) Signal-to-noise and distortion ratio fIN = 10 MHz 73.3 73.5 dBFS fIN = 20 MHz 69.1 73.1 73.5 fIN = 70 MHz 72.8 72.9 fIN = 100 MHz 72.2 72.4 fIN = 170 MHz 71.2 71.2 fIN = 230 MHz 69.7 69.7 ENOB(1) Effective number of bits fIN = 10 MHz 11.9 11.9 Bits fIN = 20 MHz 11.2 11.8 11.9 fIN = 70 MHz 11.8 11.8 fIN = 100 MHz 11.7 11.7 fIN = 170 MHz 11.5 11.5 fIN = 230 MHz 11.3 11.3 SFDR Spurious-free dynamic range fIN = 10 MHz 95 87 dBc fIN = 20 MHz 84 94 89 fIN = 70 MHz 92 86 fIN = 100 MHz 85 81 fIN = 170 MHz 86 83 fIN = 230 MHz 81 79 |
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