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ADC3241IRGZR Datasheet(PDF) 11 Page - Texas Instruments |
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ADC3241IRGZR Datasheet(HTML) 11 Page - Texas Instruments |
11 / 82 page 11 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. 7.9 AC Performance: ADC3242 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. PARAMETER TEST CONDITIONS ADC3242 (fS = 50 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 70.5 73.3 73.8 fIN = 70 MHz 73 73.3 fIN = 100 MHz 72.6 73.1 fIN = 170 MHz 71.7 72.1 fIN = 230 MHz 70.9 71.2 Signal-to-noise ratio (full Nyquist band) fIN = 10 MHz 72.5 72.9 fIN = 20 MHz 72.6 73.1 fIN = 70 MHz 72.3 72.6 fIN = 100 MHz 71.9 72.4 fIN = 170 MHz 71.1 71.5 fIN = 230 MHz 70.3 70.6 NSD(1) Noise spectral density (averaged across Nyquist zone) fIN = 10 MHz –147.1 –147.5 dBFS/Hz fIN = 20 MHz –147.1 –144.5 –147.6 fIN = 70 MHz –146.8 –147.1 fIN = 100 MHz –146.4 –146.9 fIN = 170 MHz –145.5 –145.9 fIN = 230 MHz –144.7 –145 SINAD(1) Signal-to-noise and distortion ratio fIN = 10 MHz 73.2 73.6 dBFS fIN = 20 MHz 69.6 73.4 73.6 fIN = 70 MHz 72.9 73.2 fIN = 100 MHz 72.5 72.9 fIN = 170 MHz 71.5 71.7 fIN = 230 MHz 70.5 70.6 ENOB(1) Effective number of bits fIN = 10 MHz 11.9 11.9 Bits fIN = 20 MHz 11.3 11.9 11.9 fIN = 70 MHz 11.8 11.9 fIN = 100 MHz 11.7 11.8 fIN = 170 MHz 11.6 11.6 fIN = 230 MHz 11.4 11.4 SFDR Spurious-free dynamic range fIN = 10 MHz 89 95 dBc fIN = 20 MHz 83 93 91 fIN = 70 MHz 94 93 fIN = 100 MHz 88 86 fIN = 170 MHz 85 82 fIN = 230 MHz 82 80 |
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