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ATtiny5 数据表(PDF) 120 Page - ATMEL Corporation |
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ATtiny5 数据表(HTML) 120 Page - ATMEL Corporation |
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120 / 168 page ![]() 120 8127C–AVR–10/09 ATtiny4/5/9/10 16.6 Analog Comparator Characteristics Note: All parameters are based on simulation results. None are tested in production 16.7 ADC Characteristics (ATtiny5/10, only) Table 16-7. Analog Comparator Characteristics, TA = -40°C - 85°C Symbol Parameter Condition Min Typ Max Units VAIO Input Offset Voltage VCC = 5V, VIN = VCC / 2 < 10 40 mV ILAC Input Leakage Current VCC = 5V, VIN = VCC / 2 -50 50 nA tAPD Analog Propagation Delay (from saturation to slight overdrive) VCC = 2.7V 750 ns VCC = 4.0V 500 Analog Propagation Delay (large step change) VCC = 2.7V 100 VCC = 4.0V 75 tDPD Digital Propagation Delay VCC = 1.8V - 5.5 1 2 CLK Table 16-8. ADC Characteristics. T = -40 °C – 85°C. V CC = 2.5V – 5.5V Symbol Parameter Condition Min Typ Max Units Resolution 8Bits Absolute accuracy (Including INL, DNL, and Quantization, Gain and Offset Errors) VREF = VCC = 4V, ADC clock = 200 kHz 1.0 LSB VREF = VCC = 4V, ADC clock = 200 kHz Noise Reduction Mode 1.0 LSB Integral Non-Linearity (INL) (Accuracy after Offset and Gain Calibration) VREF = VCC = 4V, ADC clock = 200 kHz 1.0 LSB Differential Non-linearity (DNL) VREF = VCC = 4V, ADC clock = 200 kHz 0.5 LSB Gain Error VREF = VCC = 4V, ADC clock = 200 kHz 1.0 LSB Offset Error VREF = VCC = 4V, ADC clock = 200 kHz 1.0 LSB Conversion Time Free Running Conversion 65 260 µs Clock Frequency 50 200 kHz VIN Input Voltage GND VREF V Input Bandwidth 7.7 kHz RAIN Analog Input Resistance 100 M Ω ADC Conversion Output 0 255 LSB |
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