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ADUC7039 Arkusz danych(PDF) 4 Page - Analog Devices |
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ADUC7039 Arkusz danych(HTML) 4 Page - Analog Devices |
4 / 88 page ADuC7039 Rev. 0 | Page 4 of 88 Parameter Test Conditions/Comments Min Typ Max Unit ADC SPECIFICATIONS, ANALOG INPUT Current Channel Absolute Input Voltage Range1 Applies to both IIN+ and IIN− −200 +300 mV Input Voltage Range11, 12 Gain = 4 ±300 mV Gain = 8 ±150 mV Gain = 32 ±37.5 mV Gain = 512 ±2.3 mV Input Leakage Current1 −3 +3 nA Input Offset Current1, 13 0.5 1.5 nA Voltage Channel Absolute Input Voltage Range1 Voltage ADC specifications are valid in this range 4 18 V Input Voltage Range1 0 to 28.8 V VBAT Input Current VBAT = 18 V 3 5.5 8 μA Temperature Channel VREF = (REG_AVDD, GND_SW)/2 Absolute Input Voltage Range14 100 1300 mV Input Voltage Range1 0 to VREF V VTEMP Input Current1 2.5 100 nA VOLTAGE REFERENCE Internal VREF 1.2 V Power-Up Time1 0.5 ms Initial Accuracy1 Measured at TA = 25°C −0.15 +0.15 % Temperature Coefficient1, 15 −20 ±5 +20 ppm/°C Long-Term Stability16 100 ppm/1000 hr ADC DIAGNOSTICS VREF/136 Accuracy1 At any gain setting 8.4 9.4 mV Voltage Attenuator Current Differential voltage increase on the attenuator when current is on 2.3 3.6 V Source Accuracy1 RESISTIVE ATTENUATOR1 Divider Ratio 24 Resistor Mismatch Drift Included in the voltage channel total gain error ±3 ppm/°C ADC GROUND SWITCH Resistor to Ground 15 20 30 kΩ TEMPERATURE SENSOR17 Uncalibrated Accuracy MCU in power down or standby mode; TA = −40°C to +85°C −10 ±3 +10 °C MCU in power down or standby mode; TA = −20°C to +60°C −8 ±2 +8 ºC Calibrated − ADC2GN = 0x968A; MCU in power down or standby mode −4 ±2 +4 °C POWER-ON RESET (POR) 1 POR Trip Level Refers to voltage at the VDD pin 2.85 3.0 3.15 V POR Hysteresis 300 mV Reset Timeout from POR 20 ms LOW VOLTAGE FLAG(LVF) LVF Level Refers to voltage at the VDD pin 1.9 2.1 2.3 V WATCHDOG TIMER (WDT) Timeout Period1 32 kHz clock, 256 prescale 0.008 524 Seconds Timeout Step Size 7.8 ms FLASH/EE MEMORY1 Endurance18 10,000 Cycles Data Retention19 20 Years DIGITAL INPUTS1 All digital inputs except NTRST Input Leakage Current Input (high) = REG_DVDD ±1 ±10 μA Input Pull-Up Current1 Input (low) = 0 V 10 20 80 μA Input Capacitance1 10 pF Input Leakage Current NTRST only; input (low) = 0 V ±1 ±10 μA Input Pull-Down Current NTRST only; input (high) = REG_DVDD 30 55 100 μA |
Podobny numer części - ADUC7039 |
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Podobny opis - ADUC7039 |
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