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ADS8331IRGER Datasheet(PDF) 5 Page - Texas Instruments |
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ADS8331IRGER Datasheet(HTML) 5 Page - Texas Instruments |
5 / 45 page ADS8331 ADS8332 www.ti.com SBAS363B – DECEMBER 2009 – REVISED DECEMBER 2010 ELECTRICAL CHARACTERISTICS: VA = 5V At TA = –40°C to +85°C, VA = 5V, VBD = 1.65V to 5V, VREF = 4.096V, and fSAMPLE = 500kSPS, unless otherwise noted. ADS8331I, ADS8332I ADS8331IB, ADS8332IB PARAMETER TEST CONDITIONS MIN TYP MAX MIN TYP MAX UNIT ANALOG INPUT Full-scale input voltage (1) INX – COM, ADCIN – COM 0 VREF 0 VREF V INX, ADCIN AGND – 0.2 VA + 0.2 AGND – 0.2 VA + 0.2 V Absolute input voltage COM AGND – 0.2 AGND + 0.2 AGND – 0.2 AGND + 0.2 V Input capacitance ADCIN 40 45 40 45 pF Input leakage current Unselected ADC input ±1 ±1 nA SYSTEM PERFORMANCE Resolution 16 16 Bits No missing codes 16 16 Bits INL Integral linearity –3 ±2 3 –2 ±1 2 LSB(2) DNL Differential linearity –1 ±1 2 –1 ±0.5 1.5 LSB(2) EO Offset error(3) –1 ±0.23 1 –1 ±0.23 1 mV Offset error drift ±1 ±1 PPM/°C Offset error matching –0.125 0.125 –0.125 0.125 mV EG Gain error –0.25 –0.06 0.25 –0.25 –0.06 0.25 %FSR Gain error drift ±0.02 ±0.02 PPM/°C Gain error matching –0.003 0.003 –0.003 0.003 %FSR Transition noise 30 30 mV RMS PSRR Power-supply rejection ratio 78 78 dB SAMPLING DYNAMICS tCONV Conversion time 18 18 CCLK tSAMPLE1 Manual-Trigger mode 3 3 CCLK Acquisition time tSAMPLE2 Auto-Trigger mode 3 3 CCLK Throughput rate 500 500 kSPS DYNAMIC CHARACTERISTICS VIN = 4.096VPP at 1kHz –100 –100 dB THD Total harmonic distortion (4) VIN = 4.096VPP at 10kHz –94 –95 dB VIN = 4.096VPP at 1kHz 90.5 91.5 dB SNR Signal-to-noise ratio VIN = 4.096VPP at 10kHz 88 88 dB VIN = 4.096VPP at 1kHz 90 91 dB SINAD Signal-to-noise + distortion VIN = 4.096VPP at 10kHz 87 87 dB VIN = 4.096VPP at 1kHz 101 101 dB SFDR Spurious-free dynamic range VIN = 4.096VPP at 10kHz 96 96 dB VIN = 4.096VPP at 1kHz 119 119 dB Crosstalk VIN = 4.096VPP at 100kHz 107 107 dB INX – COM with MUXOUT 22 22 MHz tied to ADCIN –3dB small-signal bandwidth ADCIN – COM 40 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 4.096V when VA = 5V. (4) Calculated on the first nine harmonics of the input frequency. Copyright © 2009–2010, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Link(s): ADS8331 ADS8332 |
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