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ADS7052 Arkusz danych(PDF) 5 Page - Texas Instruments |
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ADS7052 Arkusz danych(HTML) 5 Page - Texas Instruments |
5 / 44 page 5 ADS7052 www.ti.com SBAS858 – DECEMBER 2017 Product Folder Links: ADS7052 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated (1) Ideal input span; does not include gain or offset error. (2) See Figure 31, Figure 29, and Figure 30 for statistical distribution data for INL, offset error, and gain error. (3) LSB means least significant bit. (4) See the OFFCAL State section for details. (5) All specifications expressed in decibels (dB) refer to the full-scale input (FSR) and are tested with an input signal 0.5 dB below full-scale, unless otherwise noted. (6) Calculated on the first nine harmonics of the input frequency. 6.5 Electrical Characteristics at AVDD = 3.3 V, DVDD = 1.65 V to 3.6 V, fsample = 1 MSPS, and VAINM = 0 V (unless otherwise noted); minimum and maximum values for TA = –40°C to +125°C; typical values at TA = 25°C PARAMETER TEST CONDITIONS MIN TYP MAX UNIT ANALOG INPUT Full-scale input voltage span(1) 0 AVDD V Absolute input voltage range AINP to GND –0.1 AVDD + 0.1 V AINM to GND –0.1 0.1 CS Sampling capacitance 16 pF SYSTEM PERFORMANCE Resolution 14 Bits NMC No missing codes 14 Bits INL(2) Integral nonlinearity –3.75 ±2 3.75 LSB(3) DNL Differential nonlinearity –0.99 ±0.5 1 LSB EO (2) Offset error After calibration(4) –6 ±1 6 LSB dVOS/dT Offset error drift with temperature 1.75 ppm/°C EG (2) Gain error –0.1 ±0.01 0.1 %FS Gain error drift with temperature 0.5 ppm/°C SAMPLING DYNAMICS tCONV Conversion time 18 × tSCLK ns tACQ Acquisition time 230 ns fSAMPLE Maximum throughput rate 24-MHz SCLK, AVDD = 1.65 V to 3.6 V 1 MHz Aperture delay 3 ns Aperture jitter, RMS 12 ps DYNAMIC CHARACTERISTICS SNR Signal-to-noise ratio(5) AVDD = 3.3 V, fIN = 2 kHz 71.5 74.9 dB AVDD = 2.5 V, fIN = 2 kHz 73.7 THD Total harmonic distortion(5)(6) fIN = 2 kHz –92 dB fIN = 100 kHz –90 fIN = 200 kHz –87 SINAD Signal-to-noise and distortion(5) fIN = 2 kHz 71.5 74.8 dB fIN = 100 kHz 74.7 fIN = 200 kHz 74.5 SFDR Spurious-free dynamic range(5) fIN = 2 kHz 89.8 dB fIN = 100 kHz 91 fIN = 200 kHz 87 BW(fp) Full-power bandwidth At –3 dB 200 MHz |
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