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AD7193 Datasheet(PDF) 3 Page - Analog Devices |
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AD7193 Datasheet(HTML) 3 Page - Analog Devices |
3 / 56 page AD7193 Rev. A | Page 3 of 56 SPECIFICATIONS AVDD = 3 V to 5.25 V, DVDD = 2.7 V to 5.25 V, AGND = DGND = 0 V; REFINx(+) = +2.5 V or AVDD, REFINx(−) = AGND, MCLK = 4.92 MHz, TA = TMIN to TMAX, unless otherwise noted. Table 1. Parameter Min Typ Max Unit Test Conditions/Comments1 ADC Output Data Rate 4.7 4800 Hz Chop disabled 1.17 1200 Hz Chop enabled, sinc4 filter 1.56 1600 Hz Chop enabled, sinc3 filter No Missing Codes2 24 Bits FS[9:0]3 > 1, sinc4 filter 24 Bits FS[9:0]3 > 4, sinc3 filter Resolution See the RMS Noise and Resolution section RMS Noise and Output Data Rates See the RMS Noise and Resolution section Integral Nonlinearity Gain = 12 ±2 ±10 ppm of FSR AVDD = 5 V ±2 ±15 ppm of FSR AVDD = 3 V Gain > 1 ±5 ±30 ppm of FSR AVDD = 5 V ±15 ±30 ppm of FSR AVDD = 3 V Offset Error4, 5 ±150/gain μV Chop disabled ±1 μV Chop enabled, AVDD = 5 V ±0.5 μV Chop enabled, AVDD = 3 V Offset Error Drift vs. Temperature ±150/gain nV/°C Gain = 1 to 16; chop disabled ±5 nV/°C Gain = 32 to 128; chop disabled ±5 nV/°C Chop enabled Offset Error Drift vs. Time 25 nV/1000 hours Gain > 32 Gain Error4 ±0.001 % AVDD = 5 V, gain = 1, TA = 25°C (factory calibration conditions) −0.39 % Gain = 128, before full-scale calibration (see Table 26) ±0.003 % Gain > 1, after internal full-scale calibration, AVDD ≥ 4.75 V ±0.005 % Gain > 1, after internal full-scale calibration, AVDD < 4.75 V Gain Drift vs. Temperature ±1 ppm/°C Gain Drift vs. Time 10 ppm/1000 hours Gain = 1 Power Supply Rejection 90 dB Gain = 1, VIN = 1 V 95 110 dB Gain > 1, VIN = 1 V/gain Common-Mode Rejection @ DC 110 dB Gain = 1, VIN = 1 V @ DC 105 dB Gain > 1, VIN = 1 V/gain @ 50 Hz, 60 Hz2 120 dB 10 Hz output data rate, 50 Hz ± 1 Hz, 60 Hz ± 1 Hz @ 50 Hz2 120 dB 50 Hz output data rate, 50 Hz ± 1 Hz @ 60 Hz2 120 dB 60 Hz output data rate, 60 Hz ± 1 Hz @ 50 Hz2 115 dB Fast settling, FS[9:0]3 = 6, average by 16, 50 Hz ± 1 Hz @ 60 Hz2 115 dB Fast settling, FS[9:0]3 = 5, average by 16, 60 Hz ± 1 Hz |
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