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ADC3441 데이터시트(PDF) 13 Page - Texas Instruments |
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ADC3441 데이터시트(HTML) 13 Page - Texas Instruments |
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13 / 88 page ![]() 13 ADC3441, ADC3442, ADC3443, ADC3444 www.ti.com SBAS670B – JULY 2014 – REVISED APRIL 2017 Product Folder Links: ADC3441 ADC3442 ADC3443 ADC3444 Submit Documentation Feedback Copyright © 2014–2017, Texas Instruments Incorporated (1) Reported from a 1-MHz offset. 7.10 AC Performance: ADC3443 at maximum sampling rate, 50% clock duty cycle, AVDD = DVDD = 1.8 V, and –1-dBFS differential input (unless otherwise noted); typical values are specified at an ambient temperature of 25°C; minimum and maximum values are specified over an ambient temperature range of –40°C to +85°C PARAMETER TEST CONDITIONS ADC3443 (fS = 80 MSPS) UNIT DITHER ON DITHER OFF MIN TYP MAX MIN TYP MAX SNR Signal-to-noise ratio (from 1-MHz offset) fIN = 10 MHz 72.9 73.2 dBFS fIN = 70 MHz 70.7 72.8 73.1 fIN = 100 MHz 72.5 72.9 fIN = 170 MHz 72.1 72.4 fIN = 230 MHz 71.4 71.7 Signal-to-noise ratio (full Nyquist band) fIN = 10 MHz 72.5 72.8 fIN = 70 MHz 72.4 72.8 fIN = 100 MHz 72.1 72.6 fIN = 170 MHz 71.7 72.0 fIN = 230 MHz 71.1 71.4 NSD(1) Noise spectral density (averaged across Nyquist zone) fIN = 10 MHz –148.8 –149.1 dBFS/Hz fIN = 70 MHz –148.7 –146.6 –149.0 fIN = 100 MHz –148.4 –148.8 fIN = 170 MHz –148.0 –148.3 fIN = 230 MHz –147.3 –147.6 SINAD(1) Signal-to-noise and distortion ratio fIN = 10 MHz 72.8 73.2 dBFS fIN = 70 MHz 69.7 72.2 72.4 fIN = 100 MHz 72.7 73 fIN = 170 MHz 71.9 72.2 fIN = 230 MHz 71.2 71.4 ENOB(1) Effective number of bits fIN = 10 MHz 11.8 11.9 Bits fIN = 70 MHz 11.3 11.8 11.8 fIN = 100 MHz 11.8 11.8 fIN = 170 MHz 11.7 11.7 fIN = 230 MHz 11.5 11.6 SFDR Spurious-free dynamic range fIN = 10 MHz 89 89 dBc fIN = 70 MHz 81 90 89 fIN = 100 MHz 92 92 fIN = 170 MHz 88 86 fIN = 230 MHz 86 84 |
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