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ADS7800JU1KG4 Datasheet(PDF) 2 Page - Texas Instruments |
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ADS7800JU1KG4 Datasheet(HTML) 2 Page - Texas Instruments |
2 / 21 page ADS7800 2 SBAS001A www.ti.com SPECIFICATIONS ELECTRICAL At TA = TMIN to TMAX, Sampling Frequency, fS, = 333kHz, –VS = –15V, VS = +5V, unless otherwise specified. ADS7800JP/JU/AH ADS7800KP/KU/BH PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS RESOLUTION 12 * Bits ANALOG INPUT Voltage Ranges ±10V/±5V * V Impedance ±10V Range 4.4 6.3 8.1 * * * k Ω ±5V Range 2.9 4.2 5.4 * * * k Ω THROUGHPUT SPEED Conversion Time Conversion Alone 2.5 2.7 * * µs Complete Cycle Acquisition + Conversion 2.6 3.0 * * µs Throughput Rate 333 380 * * kHz DC ACCURACY Full Scale Error(1) ±0.50 ±0.35 % Full Scale Error Drift 6 * ppm/ °C Integral Linearity Error ±1 ±1/2 LSB(2) Differential Linearity Error ±1 ±3/4 LSB No Missing Codes Ensured Ensured Bipolar Zero(1) ±4 ±2LSB Bipolar Zero Drift 1 * ppm/ °C Power Supply Sensitivity –16.5V < –VS < –13.5V ±1/2 * LSB –12.6V < –VS < –11.4V ±1/2 * LSB +4.75V < VS < +5.25V ±1 ±1/2 LSB Transition Noise(3) 0.1 * LSB AC ACCURACY Spurious-Free Dynamic Range fIN = 47kHz 74 77 77 80 dB (4) Total Harmonic Distortion fIN = 47kHz –77 –74 –80 –77 dB Two-tone Intermodulation Distortion fIN1 = 24.4kHz (–6dB) –77 –74 –80 –77 dB fIN2 = 28.5kHz (–6dB) Signal-to-(Noise + Distortion) Ratio fIN = 47kHz 67 70 69 72 dB Signal-to-Noise Ratio (SNR) fIN = 47kHz 68 71 70 73 dB SAMPLING DYNAMICS Aperture Delay 13 * ns Aperture Jitter 150 * ps, rms Transient Response(5) 130 * ns Overvoltage Recovery (6) 150 * ns INTERNAL REFERENCE VOLTAGE Voltage 1.9 2.0 2.1 * * * V Source Current Available 10 * µA for External Loads DIGITAL INPUTS Logic Levels VIL –0.3 +0.8 * * V VIH +2.4 +5.3 * * V IIL –5 * µA IIH +5 * µA DIGITAL OUTPUTS Data Format Parallel, 12-bit or 8-bit/4-bit Data Coding Binary Offset Binary VOL ISINK = 1.6mA 0.0 +0.4 * * V VOH ISOURCE = 500µA +2.4 +5.0 * * V ILEAKAGE (High-Z State) ±0.1 ±5* * µA POWER SUPPLIES Rated Voltage –VS –11.4 –15 –16.5 * * * V VS (VSA and VSD) +4.75 +5.0 +5.25 * * * V Current –IS 3.5 6 * * mA IS 18 25 * * mA Power Consumption 135 215 * * mW |
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