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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ADC32RF44IRMPR датащи(PDF) 7 Page - Texas Instruments |
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ADC32RF44IRMPR датащи(HTML) 7 Page - Texas Instruments |
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7 / 135 page  7 ADC32RF44 www.ti.com SBAS809A – FEBRUARY 2017 – REVISED MARCH 2017 Product Folder Links: ADC32RF44 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated (1) Minimum values are specified at AOUT = –3 dBFS, ADC sampling rate = 2.5 GHz. (2) Output amplitude, AOUT, refers to the signal amplitude in the ADC digital output that is same as the analog input amplitude, AIN, except when the digital gain feature is used. If digital gain is G, then AOUT = G + AIN. (3) The ADC internal resistance = 65 Ω, the driving source resistance = 50 Ω. (4) The minimum value of HD2 is specified by bench characterization. 7.6 AC Performance Characteristics typical values 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; and ADC sampling rate = 2.6 GHz, 50% clock duty cycle, AVDD19 = 1.9 V, AVDD = 1.15 V, DVDD = 1.15 V, –2-dBFS differential input, and 0-dB digital gain (unless otherwise noted) PARAMETER TEST CONDITIONS MIN(1) NOM MAX UNIT SNR Signal-to-noise ratio fIN = 100 MHz, AOUT = –2 dBFS 62.5 dBFS fIN = 900 MHz, AOUT = –2 dBFS 61.2 fIN = 1850 MHz, AOUT = –2 dBFS 55.5 58.3 fIN = 2100 MHz, AOUT = –2 dBFS 57.5 fIN = 2500 MHz, AOUT = –2 dBFS 56.4 fIN = 3500 MHz, AOUT (2) = –3 dBFS with 2-dB gain 54.0 NSD Noise spectral density averaged across the Nyquist zone fIN = 100 MHz, AOUT = –2 dBFS 153.6 dBFS/Hz fIN = 900 MHz, AOUT = –2 dBFS 152.3 fIN = 1850 MHz, AOUT = –2 dBFS 146.1 149.4 fIN = 2100 MHz, AOUT = –2 dBFS 148.6 fIN = 2500 MHz, AOUT = –2 dBFS 147.5 fIN = 3500 MHz, AOUT (2) = –3 dBFS with 2-dB gain 145.1 Small-signal SNR fIN = 1850 MHz, AOUT = –40 dBFS 63.1 dBFS NF(3) Input noise figure fIN = 1850 MHz, AOUT = –40 dBFS 24.7 dB SINAD Signal-to-noise and distortion ratio fIN = 100 MHz, AOUT = –2 dBFS 61.8 dBFS fIN = 900 MHz, AOUT = –2 dBFS 60.0 fIN = 1850 MHz, AOUT = –2 dBFS 58.0 fIN = 2100 MHz, AOUT = –2 dBFS 56.5 fIN = 2500 MHz, AOUT = –2 dBFS 54.7 fIN = 3500 MHz, AOUT (2) = –3 dBFS with 2-dB gain 53.2 ENOB Effective number of bits fIN = 100 MHz, AOUT = –2 dBFS 10.0 Bits fIN = 900 MHz, AOUT = –2 dBFS 9.7 fIN = 1850 MHz, AOUT = –2 dBFS 9.3 fIN = 2100 MHz, AOUT = –2 dBFS 9.1 fIN = 2500 MHz, AOUT = –2 dBFS 8.8 fIN = 3500 MHz, AOUT (2) = –3 dBFS with 2-dB gain 8.5 SFDR Spurious-free dynamic range fIN = 100 MHz, AOUT = –2 dBFS 68.0 dBc fIN = 900 MHz, AOUT = –2 dBFS 65.0 fIN = 1850 MHz, AOUT = –2 dBFS 60 69.0 fIN = 2100 MHz, AOUT = –2 dBFS 62.0 fIN = 2500 MHz, AOUT = –2 dBFS 59.0 fIN = 3500 MHz, AOUT (2) = –3 dBFS with 2-dB gain 57.0 HD2(4) Second-order harmonic distortion fIN = 100 MHz, AOUT = –2 dBFS 68.0 dBc fIN = 900 MHz, AOUT = –2 dBFS 74.0 fIN = 1850 MHz, AOUT = –2 dBFS 60 69.0 fIN = 2100 MHz, AOUT = –2 dBFS 62.0 fIN = 2500 MHz, AOUT = –2 dBFS 62.0 fIN = 3500 MHz, AOUT (2) = –3 dBFS with 2-dB gain 57.0 |
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