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AFE5804 Datasheet(PDF) 11 Page - Texas Instruments |
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AFE5804 Datasheet(HTML) 11 Page - Texas Instruments |
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11 / 82 page  11 ADS5294 www.ti.com SLAS776E – NOVEMBER 2011 – REVISED APRIL 2018 Product Folder Links: ADS5294 Submit Documentation Feedback Copyright © 2011–2018, Texas Instruments Incorporated 8.5 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 TEST CONDITIONS MIN TYP MAX UNIT AC PERFORMANCE SNR Signal-to-noise ratio 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 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 SINAD Signal-to-noise and distortion ratio fin = 5 MHz 74.8 dBFS 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 SFDR Spurious-free dynamic range fin = 5 MHz 72 84 dBc fin = 30 MHz 81 dBc fin = 65 MHz 74 dBc THD Total harmonic distortion fin = 5 MHz 70.5 82 dBc fin = 30 MHz 80 dBc fin = 65 MHz 73.5 dBc HD2 Second-harmonic distortion fin = 5 MHz 73 93 dBc fin = 30 MHz 88 dBc fin = 65 MHz 85 dBc HD3 Third-harmonic distortion fin = 5 MHz 72 84 dBc fin = 30 MHz 81 dBc fin = 65 MHz 74 dBc Worse spur excluding HD2, HD3 fin = 5 MHz 91 dBc 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 Overload recovery Recovery to within 1% of full-scale for 6-dB overload with sine wave input 1 Clock Cycle XTALK Cross-talk fin = 10 MHz, –1-dBFS signal applied on aggressor channel no signal applied on victim channel far channel 90 dBc near channel 85 dBc Phase noise 5 MHz, 1-kHz off carrier –138 dBc/Hz ANALOG INPUT / OUTPUT Differential input voltage range (0-dB gain) 2 VPP RIN Differential Input Resistance At DC 2 kΩ CIN Differential Input Capacitance At DC 3.2 pF Analog input bandwidth With a 50-Ω source impedance 550 MHz Analog input common-mode current (per input pin) 1.6 µA/MSPS VCM common-mode output voltage 0.95 V VCM output current capability 5 mA |
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