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ATXMEGA128A1-AU Fiches technique(PDF) 68 Page - ATMEL Corporation |
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ATXMEGA128A1-AU Fiches technique(HTML) 68 Page - ATMEL Corporation |
68 / 99 page 68 8067I–AVR–04/09 XMEGA A1 33.5 DAC Characteristics 33.6 Analog Comparator Characteristics 33.7 Bandgap Voltage Characteristics Table 33-5. DAC Characteristics Symbol Parameter Condition Min Typ Max Units Single channel mode INL Integral Non-Linearity V CC = 1.6-3.6V VREF = Ext. ref 5 LSB VREF= AVCC DNL Differential Non-Linearity VCC = 1.6-3.6V VREF = Ext. ref 0.6 <±1 VREF= AVCC 0.6 Fclk Conversion rate 1000 ksps AREF External reference voltage 1.1 AV CC-0.6 V Reference input impedance >10 M Ω DC output impedance k Ω Max output voltage R load=100kΩ AV CC*0.98 V Min output voltage Rload=100kΩ 0.01 Offset factory calibration accuracy Continues mode, VCC=3.0V, VREF = Int 1.00V, T=85°C TBD LSB Gain factory calibration accuracy TBD Table 33-6. Analog Comparator Characteristics Symbol Parameter Condition Min Typ Max Units V off Input Offset Voltage V CC = 1.6-3.6V < ±5 mV I lk Input Leakage Current V CC = 1.6-3.6V < 1000 pA Vhys1 Hysteresis, No VCC = 1.6-3.6V 0 mV V hys2 Hysteresis, Small V CC = 1.6-3.6V mode = HS 25 mV V hys3 Hysteresis, Large V CC = 1.6-3.6V mode = HS 50 t delay Propagation delay VCC = 3.0V, T= 85°C mode = HS 70 ns V CC = 1.6-3.6V mode = LP 140 Table 33-7. Bandgap Voltage Characteristics Symbol Parameter Condition Min Typ Max Units Bandgap As reference for ADC or DAC TBD µs As input to AC or ADC TBD Bandgap voltage 1.10 V Internal 1.00V reference T A = -40°C °, VCC = 3.0V 0.995 1.00 1.05 |
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