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AD7771BCPZ датащи(PDF) 29 Page - Analog Devices |
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AD7771BCPZ датащи(HTML) 29 Page - Analog Devices |
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29 / 99 page ![]() AD7771 Data Sheet Rev. 0 | Page 28 of 98 10 5 0 –5 –10 –15 –60 –40 140 120 TEMPERATURE (°C) –20 0 20 40 60 80 100 AIN0+ AIN0– AIN2+ AIN2– VREF = 2.5V VIN = 2.5V SUPPLY = AVDD1x = 3.3V Figure 74. Absolute Input Current vs. Temperature, High Resolution Mode 4 –4 –2 1 3 0 –3 –1 2 –2.5 –1.5 –0.5 0.5 1.5 –2.0 –1.0 0 1.0 2.0 2.5 DIFFERENTIAL INPUT VOLTAGE ((AINx+) – (AINx–)) VREF = 2.5V SUPPLY = AVDD1x = 3.3V AINx+ – AINx–, VCM = 1.95V AINx+ – AINx–, VCM = 1.35V Figure 75. Differential Input Current vs. Differential Input Voltage, High Resolution Mode 14 12 10 8 6 4 2 0 –60 140 TEMPERATURE (°C) –40 –20 0 20 40 60 80 100 120 VREF = 2.5V VIN = 2.5V SUPPLY = AVDD1x = 3.3V Figure 76. Differential Input Current vs. Temperature, High Resolution Mode 6 4 2 0 –2 –4 –6 –8 –60 –40 140 120 TEMPERATURE (°C) –20 0 20 40 60 80 100 VREF = 2.5V VIN = 2.5V SUPPLY = AVDD1x = 3.3V AIN0+ AIN0– AIN2+ AIN2– Figure 77. Absolute Input Current vs. Temperature, Low Power Mode 1.0 0.8 0.6 0.4 0.2 0 –0.2 –0.4 –0.6 –0.8 –1.0 VREF = 2.5V SUPPLY = AVDD1x = 3.3V AINx+ – AINx–, VCM = 1.95V AINx+ – AINx–, VCM = 1.35V DIFFERENTIAL INPUT VOLTAGE ((AINx+) – (AINx–)) –2.5 –1.5 –0.5 0.5 1.5 –2.0 –1.0 0 1.0 2.0 2.5 Figure 78. Differential Input Current vs. Differential Input Voltage, Low Power Mode 12 10 8 6 4 2 0 –40 140 120 TEMPERATURE (°C) –20 0 20 40 60 80 100 VREF = 2.5V VIN = 2.5V SUPPLY = AVDD1x = 3.3V Figure 79. Differential Input Current vs. Temperature, Low Power Mode |
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