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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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ADS5294 Fiches technique(PDF) 7 Page - Texas Instruments |
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ADS5294 Fiches technique(HTML) 7 Page - Texas Instruments |
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7 / 67 page  ADS5294 www.ti.com SLAS776B – NOVEMBER 2011 – REVISED JULY 2012 ELECTRICAL CHARACTERISTICS DYNAMIC PERFORMANCE Typical values are at 25°C, AVDD = 1.8 V, LVDD = 1.8 V, 50% clock duty cycle, –1 dBFS differential analog input, Sample rate = 80 MSPS, ADC is configured in internal reference mode (unless otherwise noted). MIN and MAX values are across the full temperature range TMIN = –40°C to TMAX = 85°C, AVDD = 1.8 V, LVDD = 1.8 V. PARAMETERS CONDITIONS MIN TYP MAX UNITS AC PERFORMANCE fin = 10 MHz, 65 MSPS 75.6 dBFS fin = 5 MHz, TA = 25°C 72.8 75.5 dBFS fin = 5 MHz, Across temperatures 71.8 dBFS SNR Signal-to-noise ratio fin = 5 MHz, -60 dBFS Input signal amplitude 77.3 dBFS fin = 5 MHz, Decimation by two enabled 78.2 dBFS fin = 30 MHz 74.2 dBFS fin = 65 MHz 71.7 dBFS fin = 5 MHz 74.8 dBFS SINAD Signal-to-noise and distortion ratio fin = 30 MHz 73.4 dBFS fin = 65 MHz 70 dBFS ENOB Effective number of bits fin = 5 MHz 12.2 Bits DNL Differential nonlinearity fin = 5 MHz –0.96 ±0.5 1.7 LSB INL Integral nonlinearity fin = 5 MHz 2.2 5.5 LSB fin = 5 MHz 72 84 dBc SFDR Spurious-free dynamic range fin = 30 MHz 81 dBc fin = 65 MHz 74 dBc fin = 5 MHz 70.5 82 dBc THD Total harmonic distortion fin = 30 MHz 80 dBc fin = 65 MHz 73.5 dBc fin = 5 MHz 73 93 dBc HD2 Second-harmonic distortion fin = 30 MHz 88 dBc fin = 65 MHz 85 dBc fin = 5 MHz 72 84 dBc HD3 Third-harmonic distortion fin = 30 MHz 81 dBc fin = 65 MHz 74 dBc fin = 5 MHz 91 dBc Worse spur excluding HD2, HD3 fin = 30 MHz 83 dBc fin = 65 MHz 76 dBc IMD3 Intermodualtion distortion fin = 8 MHz at –7 dBFS, f2 = 10 MHz at –7 dBFS 84.5 dBc Recovery to within 1% of full-scale for 6-dB overload with Overload recovery 1 Clock Cycle sine wave input fin = 10 MHz, -1 dBFS signal applied on far channel 90 dBc XTALK Cross-talk aggressor channel no signal applied on near channel 85 dBc victim channel Phase noise 5 MHz, 1 kHz off carrier –138 dBc/Hz ANALOG INPUT / OUTPUT Differential input voltage range 2 VPP (0-dB gain) RIN Differential Input Resistance At DC 2 k Ω CIN Differential Input Capacitance At DC 3.2 pF Analog input bandwidth With a 50 Ωsource impedance 550 MHz Analog input common-mode current 1.6 µA/MSPS (per input pin) VCM common-mode output voltage 0.95 V VCM output current capability 5 mA Copyright © 2011–2012, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Link(s) :ADS5294 |
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