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ADUC841BSZ62-3 Arkusz danych(PDF) 4 Page - Analog Devices |
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ADUC841BSZ62-3 Arkusz danych(HTML) 4 Page - Analog Devices |
4 / 88 page ADuC841/ADuC842/ADuC843 Rev. 0 | Page 4 of 88 Parameter VDD = 5 V VDD = 3 V Unit Test Conditions/Comments DAC AC CHARACTERISTICS Voltage Output Settling Time 15 15 µs typ Full-scale settling time to within ½ LSB of final value Digital-to-Analog Glitch Energy 10 10 nV-sec typ 1 LSB change at major carry DAC CHANNEL SPECIFICATIONS12, 13 Internal Buffer Disabled ADuC841/ADuC842 Only DC ACCURACY10 Resolution 12 12 Bits Relative Accuracy ±3 ±3 LSB typ Differential Nonlinearity11 –1 –1 LSB max Guaranteed 12-bit monotonic ±1/2 ±1/2 LSB typ Offset Error ±5 ±5 mV max VREF range Gain Error ±0.5 ±0.5 % typ VREF range Gain Error Mismatch4 0.5 0.5 % typ % of full-scale on DAC1 ANALOG OUTPUTS Voltage Range_0 0 to VREF 0 to VREF V typ DAC VREF = 2.5 V REFERENCE INPUT/OUTPUT REFERENCE OUTPUT14 Output Voltage (VREF) 2.5 2.5 V Accuracy ±10 ±10 mV Max Of VREF measured at the CREF pin TA = 25°C Power Supply Rejection 65 67 dB typ Reference Temperature Coefficient ±15 ±15 ppm/°C typ Internal VREF Power-On Time 2 2 ms typ EXTERNAL REFERENCE INPUT15 Voltage Range (VREF) 4 1 1 V min VDD VDD V max Input Impedance 20 20 kΩ typ Input Leakage 1 1 µA max Internal band gap deselected via ADCCON1.6 POWER SUPPLY MONITOR (PSM) DVDD Trip Point Selection Range 2.93 3.08 V min V max Two trip points selectable in this range programmed via TPD1–0 in PSMCON, 3 V part only DVDD Power Supply Trip Point Accuracy ±2.5 % max WATCHDOG TIMER (WDT) 4 Timeout Period 0 2000 0 2000 ms min ms max Nine timeout periods selectable in this range FLASH/EE MEMORY RELIABILITY CHARACTERISTICS16 Endurance17 100,000 100,000 Cycles min Data Retention18 100 100 Years min DIGITAL INPUTS Input Leakage Current (Port 0, EA) ±10 ±10 µA max VIN = 0 V or VDD ±1 ±1 µA typ VIN = 0 V or VDD Logic 1 Input Current (All Digital Inputs), SDATA, SCLOCK ±10 ±10 µA max VIN = VDD ±1 ±1 µA typ VIN = VDD Logic 0 Input Current (Ports 1, 2, 3) SDATA, SCLOCK –75 –25 µA max –40 –15 µA typ VIL = 450 mV Logic 1 to Logic 0 Transition Current (Ports 2 and 3) –660 –250 µA max VIL = 2 V RESET –400 ±10 10 105 –140 ±10 5 35 µA typ µA max µA min µA max VIL = 2 V VIN = 0 V VIN = 5 V, 3 V Internal Pull Down VIN = 5 V, 3 V Internal Pull Down |
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