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ADUC7032-8L Datasheet(PDF) 5 Page - Analog Devices |
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ADUC7032-8L Datasheet(HTML) 5 Page - Analog Devices |
5 / 120 page ADuC7032-8L Rev. A | Page 5 of 120 Parameter Test Conditions/Comments Min Typ Max Unit Temperature Channel No Missing Codes1 Valid at all ADC update rates 16 Bits Integral Nonlinearity1 ±10 ±60 ppm of FSR Offset Error1, 3, 5, 16, 17, 18 Chop off, 1 LSB = 19.84 μV −10 ±3 +10 LSB Offset Error1, 3 Chop on −5 1 +5 LSB Offset Error Drift 0.03 LSB/°C Total Gain Error1, 3, 14, 17, 18 −0.25 ±0.06 +0.25 % Gain Drift 3 ppm/°C Output Noise1 1 kHz update rate 7.5 11.25 μV rms ADC SPECIFICATIONS, ANALOG INPUT Internal VREF = 1.2 V Current Channel Absolute Input Voltage Range Applies to both IIN+ and IIN− −200 +300 mV Input Voltage Range19, 20 Gain = 121 ±1.2 V Gain = 221 ±600 mV Gain = 421 ±300 mV Gain = 8 ±150 mV Gain = 16 ±75 mV Gain = 32 ±37.5 mV Gain = 64 ±18.75 mV Gain = 128 ±9.375 mV Gain = 256 ±4.68 mV Gain = 512 ±2.3 mV Input Leakage Current1 −3 +3 nA Input Offset Current1, 22 0.5 1.5 nA Voltage Channel Absolute Input Voltage Range 4 18 V Input Voltage Range 0 to 28.8 V VBAT Input Current VBAT = 18 V 3 5.5 8 μA Temperature Channel Absolute Input Voltage Range 100 1300 mV Input Voltage Range 0 to VREF V VTEMP Input Current1 2.5 100 nA VOLTAGE REFERENCE ADC Precision Reference Internal VREF 1.2 V Power-Up Time1 0.5 ms Initial Accuracy1 Measured at TA = 35°C −0.15 +0.15 % Internal VREF Temperature Coefficient1, 23 −20 ±5 +20 ppm/°C Long-Term Stability24 100 ppm/ 1000 hr External Reference Input Range25 0.1 1.3 V VREF Divide-by-2 Initial Error1 0.1 0.3 % ADC Low Power Reference Internal VREF 1.2 V Initial Accuracy Measured at TA = 35°C −5 +5 % Initial Accuracy10 Using ADCREF, measured at TA = 35°C 0.1 % Temperature Coefficient1,23 −300 +300 ppm/°C RESISTIVE ATTENUATOR Divider Ratio 24 Resistor Mismatch Drift 3 ppm/°C ADC GROUND SWITCH Resistance Direct path to ground 10 Ω 20 kΩ resistor selected 10 20 30 kΩ Input Current 6 mA |
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