2.7ADC CharacteristicsTable 2-5.ADC Characteristics, Single Ended Channels. T = -40°C to +125°CSymbolParameterConditionMinTypMaxUnits Resolution 10 Bits V = 4V, V = 4V, REF CC 2.0 LSB ADC clock = 200 kHz VREF = 4V, VCC = 4V, 2.5 LSB ADC clock = 1 MHz Absolute accuracy (Including INL, DNL, and VREF = 4V, VCC = 4V, Quantization, Gain and Offset ADC clock = 200 kHz 1.5 LSB Errors) Noise Reduction Mode VREF = 4V, VCC = 4V, ADC clock = 1 MHz 2.0 LSB Noise Reduction Mode Integral Non-Linearity (INL) V (Accuracy after Offset and REF = 4V, VCC = 4V, 1.0 LSB ADC clock = 200 kHz Gain Calibration) Differential Non-linearity V = 4V, V = 4V, REF CC 0.5 LSB (DNL) ADC clock = 200 kHz V = 4V, V = 4V, Gain Error REF CC 2.0 LSB ADC clock = 200 kHz V = 4V, V = 4V, Offset Error (Absolute) REF CC 1.5 LSB ADC clock = 200 kHz Conversion Time Free Running Conversion 14 280 µs Clock Frequency 50 1000 kHz VIN Input Voltage GND VREF V Input Bandwidth 38.5 kHz A External Voltage Reference 2.0 V V REF CC VINT Internal Voltage Reference 1.0 1.1 1.2 V R Reference Input Resistance 32 k REF R Analog Input Resistance 100 M AIN ADC Conversion Output 0 1023 LSB ATtiny24A/44A/84A [DATASHEET APPENDIX B] 7 8183H–AVR–10/2013 Document Outline Appendix B – ATtiny24A/44A/84A Specification at 125°C 1. Memories 1.1 EEPROM Data Memory 2. Electrical Characteristics 2.1 Absolute Maximum Ratings* 2.2 DC Characteristics 2.3 Speed 2.3.1 ATtiny24A and ATtiny44A 2.3.2 ATtiny84A 2.4 Clock Characteristics 2.4.1 Accuracy of Calibrated Internal Oscillator 2.5 System and Reset Characteristics 2.5.1 Power-On Reset 2.6 Analog Comparator Characteristics 2.7 ADC Characteristics 2.8 Serial Programming Characteristics 2.8.1 ATtiny24A and ATtiny44A 2.8.2 ATtiny84A 3. Typical Characteristics 3.1 ATtiny24A 3.1.1 Current Consumption in Active Mode 3.1.2 Current Consumption in Idle Mode 3.1.3 Current Consumption in Power-down Mode 3.1.4 Current Consumption of Peripheral Units 3.1.5 Pull-up Resistors 3.1.6 Output Driver Strength 3.1.7 Input Threshold and Hysteresis (for I/O Ports) 3.1.8 BOD, Bandgap and Reset 3.1.9 Analog Comparator Offset 3.1.10 Internal Oscillator Speed 3.2 ATtiny44A 3.2.1 Current Consumption in Active Mode 3.2.2 Current Consumption in Idle Mode 3.2.3 Current Consumption in Power-down Mode 3.2.4 Current Consumption of Peripheral Units 3.2.5 Pull-up Resistors 3.2.6 Output Driver Strength 3.2.7 Input Threshold and Hysteresis (for I/O Ports) 3.2.8 BOD, Bandgap and Reset 3.2.9 Analog Comparator Offset 3.2.10 Internal Oscillator Speed 3.3 ATtiny84A 3.3.1 Current Consumption in Active Mode 3.3.2 Current Consumption in Idle Mode 3.3.3 Current Consumption in Power-down Mode 3.3.4 Current Consumption in Reset 3.3.5 Current Consumption of Peripheral Units 3.3.6 Pull-up Resistors 3.3.7 Output Driver Strength 3.3.8 Input Threshold and Hysteresis (for I/O Ports) 3.3.9 BOD, Bandgap and Reset 3.3.10 Analog Comparator Offset 3.3.11 Internal Oscillator Speed 4. Ordering Information 4.1 ATtiny24A 4.2 ATtiny44A 4.3 ATtiny84A 5. Revision History