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AD7143 Scheda tecnica(PDF) 9 Page - Analog Devices |
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AD7143 Scheda tecnica(HTML) 9 Page - Analog Devices |
9 / 57 page AD7143 Rev. 0 | Page 8 of 56 TYPICAL PERFORMANCE CHARACTERISTICS VCC (V) 820 860 840 920 900 880 940 960 980 1000 2.7 2.9 2.8 3.0 3.1 3.2 3.3 3.4 3.5 3.6 DEVICE 3 DEVICE 1 DEVICE 2 Figure 4. Supply Current vs. Supply Voltage 2.72.82.93.03.13.2 3.4 3.3 3.5 3.6 VCC (V) 40 60 100 80 120 140 160 180 LP_CONV_DELAY = 200ms LP_CONV_DELAY = 400ms LP_CONV_DELAY = 600ms LP_CONV_DELAY = 800ms Figure 5. Low Power Supply Current vs. Supply Voltage, Decimation Rate = 256 2.7 2.8 2.9 3.0 3.1 3.2 3.4 3.3 3.5 3.6 VCC (V) 20 40 60 80 100 120 LP_CONV_DELAY = 200ms LP_CONV_DELAY = 600ms LP_CONV_DELAY = 800ms LP_CONV_DELAY = 400ms Figure 6. Low Power Supply Current vs. Supply Voltage Decimation Rate = 128 1.40 1.55 1.70 1.85 2.00 2.15 2.30 2.45 2.7 2.9 2.8 3.0 3.13.23.33.43.53.6 VCC (V) DEVICE 2 DEVICE 3 DEVICE 1 Figure 7. Shutdown Supply Current vs. Supply Voltage 1.10 1.05 1.00 0.95 0.90 0.85 0.80 0 50 100 150 200 250 300 350 400 450 500 CAPACITANCE LOAD ON SOURCE (pF) DEVICE 3 DEVICE 2 DEVICE 1 Figure 8. Supply Current vs. Capacitive Load on SRC 16015 16010 16005 16000 15995 15990 15985 15980 0 50 100 150 200 250 300 350 400 450 500 CAPACITANCE LOAD ON SOURCE (pF) DEVICE 3 DEVICE 2 DEVICE 1 Figure 9. Output Code vs. Capacitive Load on SRC |
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