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ADC3222 bảng dữ liệu(PDF) 9 Page - Texas Instruments |
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ADC3222 bảng dữ liệu(HTML) 9 Page - Texas Instruments |
9 / 77 page 9 ADC3221, ADC3222, ADC3223, ADC3224 www.ti.com SBAS672B – JULY 2014 – REVISED MARCH 2016 Product Folder Links: ADC3221 ADC3222 ADC3223 ADC3224 Submit Documentation Feedback Copyright © 2014–2016, Texas Instruments Incorporated (1) Reported from a 1-MHz offset. 7.8 AC Performance: ADC3221 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 ADC3221 (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 70.9 71.2 dBFS fIN = 20 MHz 68.5 70.8 71.1 fIN = 70 MHz 70.6 70.9 fIN = 100 MHz 70.3 70.6 fIN = 170 MHz 69.7 69.9 fIN = 230 MHz 68.8 69 Signal-to-noise ratio (full Nyquist band) fIN = 10 MHz 70.2 70.6 dBFS fIN = 20 MHz 70.2 70.5 fIN = 70 MHz 69.9 70.2 fIN = 100 MHz 69.6 69.9 fIN = 170 MHz 69.2 69.3 fIN = 230 MHz 68.2 68.4 NSD(1) Noise spectral density (averaged across Nyquist zone) fIN = 10 MHz –141.9 –142.2 dBFS/Hz fIN = 20 MHz –141.8 –139.5 –142.1 fIN = 70 MHz –141.6 –141.9 fIN = 100 MHz –141.3 –141.6 fIN = 170 MHz –140.7 –140.9 fIN = 230 MHz –139.8 –140.0 SINAD(1) Signal-to-noise and distortion ratio fIN = 10 MHz 70.9 71.1 dBFS fIN = 20 MHz 68.1 70.8 71 fIN = 70 MHz 70.6 70.7 fIN = 100 MHz 70.2 70.3 fIN = 170 MHz 69.6 69.6 fIN = 230 MHz 68.5 68.5 ENOB(1) Effective number of bits fIN = 10 MHz 11.5 11.5 Bits fIN = 20 MHz 11 11.5 11.5 fIN = 70 MHz 11.4 11.5 fIN = 100 MHz 11.4 11.4 fIN = 170 MHz 11.3 11.3 fIN = 230 MHz 11.1 11.1 SFDR Spurious-free dynamic range fIN = 10 MHz 96 88 dBc fIN = 20 MHz 82 93 89 fIN = 70 MHz 93 87 fIN = 100 MHz 85 82 fIN = 170 MHz 86 83 fIN = 230 MHz 81 80 |
Số phần tương tự - ADC3222 |
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Mô tả tương tự - ADC3222 |
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