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ADC32RF83 データシート(PDF) 7 Page - Texas Instruments |
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ADC32RF83 データシート(HTML) 7 Page - Texas Instruments |
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7 / 138 page  7 ADC32RF80, ADC32RF83 www.ti.com SBAS774A – MAY 2016 – REVISED DECEMBER 2016 Product Folder Links: ADC32RF80 ADC32RF83 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated (1) Performance is shown with DDC bypassed. When DDC is enabled, performance improves by the decimation filtering process. (2) Minimum values are specified at AOUT = –3 dBFS. (3) 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. (4) The ADC internal resistance = 65 Ω, the driving source resistance = 50 Ω. (5) The minimum value of HD2 is specified by bench characterization. 6.6 AC Performance Characteristics: fS = 2949.12 MSPS 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 chip sampling rate = 2949.12 MSPS, 50% clock duty cycle, DDC-bypassed performance (1), 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(2) NOM MAX UNIT SNR Signal-to-noise ratio fIN = 100 MHz, AOUT = –2 dBFS 62.6 dBFS fIN = 900 MHz, AOUT = –2 dBFS 61.1 fIN = 1850 MHz, AOUT = –2 dBFS 55.4 58.9 fIN = 2100 MHz, AOUT = –2 dBFS 58.2 fIN = 2600 MHz, AOUT = –2 dBFS 56.8 fIN = 3500 MHz, AOUT (3) = –3 dBFS with 2-dB gain 54.1 NSD Noise spectral density averaged across the Nyquist zone fIN = 100 MHz, AOUT = –2 dBFS 154.3 dBFS/Hz fIN = 900 MHz, AOUT = –2 dBFS 152.8 fIN = 1850 MHz, AOUT = –2 dBFS 147.1 150.6 fIN = 2100 MHz, AOUT = –2 dBFS 149.9 fIN = 2600 MHz, AOUT = –2 dBFS 148.5 fIN = 3500 MHz, AOUT (3) = –3 dBFS with 2-dB gain 145.8 Small-signal SNR fIN = 1850 MHz, AOUT = –40 dBFS 63.1 dBFS NF(4) Noise figure fIN = 1850 MHz, AOUT = –40 dBFS 24.7 dB SINAD Signal-to-noise and distortion ratio fIN = 100 MHz, AOUT = –2 dBFS 61.7 dBFS fIN = 900 MHz, AOUT = –2 dBFS 60.2 fIN = 1850 MHz, AOUT = –2 dBFS 58.4 fIN = 2100 MHz, AOUT = –2 dBFS 57.6 fIN = 2600 MHz, AOUT = –2 dBFS 54.8 fIN = 3500 MHz, AOUT (3) = –3 dBFS with 2-dB gain 53.6 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 9.4 fIN = 2100 MHz, AOUT = –2 dBFS 9.3 fIN = 2600 MHz, AOUT = –2 dBFS 8.8 fIN = 3500 MHz, AOUT (3) = –3 dBFS with 2-dB gain 8.6 SFDR Spurious-free dynamic range fIN = 100 MHz, AOUT = –2 dBFS 68.0 dBc fIN = 900 MHz, AOUT = –2 dBFS 66.0 fIN = 1850 MHz, AOUT = –2 dBFS 58 67.0 fIN = 2100 MHz, AOUT = –2 dBFS 64.0 fIN = 2600 MHz, AOUT = –2 dBFS 58.0 fIN = 3500 MHz, AOUT (3) = –3 dBFS with 2-dB gain 62.0 HD2(5) Second-order harmonic distortion fIN = 100 MHz, AOUT = –2 dBFS 72.0 dBc fIN = 900 MHz, AOUT = –2 dBFS 73.0 fIN = 1850 MHz, AOUT = –2 dBFS 58 67.0 fIN = 2100 MHz, AOUT = –2 dBFS 64.0 fIN = 2700 MHz, AOUT = –2 dBFS 58.0 fIN = 3500 MHz, AOUT (3) = –3 dBFS with 2-dB gain 62.0 |
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