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ADS8331IBRGET Datasheet(PDF) 8 Page - Texas Instruments |
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ADS8331IBRGET Datasheet(HTML) 8 Page - Texas Instruments |
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8 / 57 page  ADS8331, ADS8332 SBAS363D – DECEMBER 2009 – REVISED OCTOBER 2015 www.ti.com 7.6 Electrical Characteristics: VA = 5 V At TA = –40°C to 85°C, VA = 5 V, VBD = 1.65 V to 5 V, VREF = 4.096 V, and fSAMPLE = 500 kSPS, unless otherwise noted. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT ANALOG INPUT Full-scale input voltage (1) INX – COM, ADCIN – COM 0 VREF V INX, ADCIN AGND – 0.2 VA + 0.2 V Absolute input voltage COM AGND – 0.2 AGND + 0.2 V Input capacitance ADCIN 40 45 pF Input leakage current Unselected ADC input ±1 nA SYSTEM PERFORMANCE Resolution 16 Bits No missing codes 16 Bits ADS8331I, ADS8332I –3 ±2 3 INL Integral linearity LSB(2) ADS8331IB, ADS8332IB –2 ±1 2 ADS8331I, ADS8332I –1 ±1 2 DNL Differential linearity LSB(2) ADS8331IB, ADS8332IB –1 ±0.5 1.5 EO Offset error(3) –1 ±0.23 1 mV Offset error drift ±1 PPM/°C Offset error matching –0.125 0.125 mV EG Gain error –0.25 –0.06 0.25 %FSR Gain error drift ±0.02 PPM/°C Gain error matching –0.003 0.003 %FSR Transition noise 30 μV RMS PSRR Power-supply rejection ratio 78 dB SAMPLING DYNAMICS tCONV Conversion time 18 CCLK tSAMPLE1 Manual-Trigger mode 3 CCLK Acquisition time tSAMPLE2 Auto-Trigger mode 3 CCLK Throughput rate 500 kSPS DYNAMIC CHARACTERISTICS VIN = 4.096VPP at 1 kHz –100 dB ADS8331I, –94 THD Total harmonic distortion (4) ADS8332I VIN = 4.096VPP at dB 10 kHz ADS8331IB, –95 ADS8332IB ADS8331I, 90.5 ADS8332I VIN = 4.096VPP at dB 1 kHz SNR Signal-to-noise ratio ADS8331IB, 91.5 ADS8332IB VIN = 4.096VPP at 10 kHz 88 dB ADS8331I, 90 ADS8332I VIN = 4.096VPP at dB 1 kHz SINAD Signal-to-noise + distortion ADS8331IB, 91 ADS8332IB VIN = 4.096VPP at 10 kHz 87 dB VIN = 4.096VPP at 1 kHz 101 dB SFDR Spurious-free dynamic range VIN = 4.096VPP at 10 kHz 96 dB VIN = 4.096VPP at 1 kHz 119 dB Crosstalk VIN = 4.096VPP at 100 kHz 107 dB INX – COM with MUXOUT tied to 22 MHz ADCIN –3-dB small-signal bandwidth ADCIN – COM 40 MHz (1) Ideal input span; does not include gain or offset error. (2) LSB means least significant bit. (3) Measured relative to an ideal full-scale input (INX – COM) of 4.096 V when VA = 5 V. (4) Calculated on the first nine harmonics of the input frequency. 8 Submit Documentation Feedback Copyright © 2009–2015, Texas Instruments Incorporated Product Folder Links: ADS8331 ADS8332 |
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