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ADS130E08IPAG Datasheet(PDF) 3 Page - Texas Instruments |
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ADS130E08IPAG Datasheet(HTML) 3 Page - Texas Instruments |
3 / 52 page ADS130E08 www.ti.com SBAS574A – JULY 2012 – REVISED SEPTEMBER 2012 ELECTRICAL CHARACTERISTICS Minimum and maximum specifications apply from –40°C to +105°C. Typical specifications are at +25°C. All specifications are at DVDD = 1.8 V, AVDD = 3 V, AVSS = 0 V, VREF = 2.4 V, external fCLK = 2.048 MHz, data rate = 8 kSPS, and gain = 1, unless otherwise noted. ADS130E08 PARAMETER TEST CONDITIONS MIN TYP MAX UNIT ANALOG INPUTS Full-scale differential input voltage ±VREF / gain V (AINP – AINN) See the Input Common-Mode Range Input common-mode range subsection of the PGA Settings and Input Range section CI Input capacitance 20 pF IIB Input bias current 2 nA DC input impedance 500 M Ω PGA PERFORMANCE Gain settings 1, 2, 8 BW Bandwidth See Table 1 ADC PERFORMANCE Resolution No missing codes 16 Bits DR Data rate fCLK = 2.048 MHz 8 kSPS CHANNEL PERFORMANCE (DC Performance) G = 1 86 89 dB Dynamic range G = 2 and 8 89 dB INL Integral nonlinearity Full-scale with gain = 1, best fit 3 ppm EO Offset error ±350 μV Offset error drift 0.6 μV/°C EG Gain error Excluding voltage reference error ±0.1 % of FS Gain drift Excluding voltage reference drift 3 ppm/°C Gain match between channels 0.2 % of FS CHANNEL PERFORMANCE (AC Performance) CMRR Common-mode rejection ratio fCM = 50 Hz and 60 Hz (1) –110 dB PSRR Power-supply rejection ratio fPS = 50 Hz and 60 Hz 80 dB Crosstalk fIN = 50 Hz and 60 Hz –105 dB 1:3000 dynamic range with a 1-second Accuracy 0.5 % measurement (VRMS / IRMS) SNR Signal-to-noise ratio fIN = 10-Hz input, –0.5 dBFs 89 dB THD Total harmonic distortion 10 Hz, –0.5 dBFs –108 dB OPEN-CIRCUIT DETECT AND ALARM Comparator threshold accuracy ±30 mV EXTERNAL REFERENCE AVDD = 3 V, VREF = (VREFP – VREFN) 2.5 V VI(ref) Reference input voltage AVDD = 5 V, VREF = (VREFP – VREFN) 4 V VREFN Negative input AVSS V VREFP Positive input AVSS + 2.5 V Input impedance 10 k Ω (1) CMRR is measured with a common-mode signal of (AVSS + 0.3 V) to (AVDD – 0.3 V). The values indicated are the minimum of the eight channels. Copyright © 2012, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: ADS130E08 |
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