Datasheet

119
ATtiny4/5/9/10 [DATASHEET]
8127F–AVR–02/2013
16.6 Analog Comparator Characteristics
16.7 ADC Characteristics (ATtiny5/10, only)
Table 16-7. Analog Comparator Characteristics, T
A
= -40C - 85C
Symbol Parameter Condition Min Typ Max Units
V
AIO
Input Offset Voltage V
CC
= 5V, V
IN
= V
CC
/ 2 < 10 40 mV
I
LAC
Input Leakage Current V
CC
= 5V, V
IN
= V
CC
/ 2 -50 50 nA
t
APD
Analog Propagation Delay
(from saturation to slight overdrive)
V
CC
= 2.7V 750
ns
V
CC
= 4.0V 500
Analog Propagation Delay
(large step change)
V
CC
= 2.7V 100
V
CC
= 4.0V 75
t
DPD
Digital Propagation Delay V
CC
= 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)
V
REF
= V
CC
= 4V,
ADC clock = 200 kHz
1.0 LSB
V
REF
= V
CC
= 4V,
ADC clock = 200 kHz
Noise Reduction Mode
1.0 LSB
Integral Non-Linearity (INL)
(Accuracy after Offset and
Gain Calibration)
V
REF
= V
CC
= 4V,
ADC clock = 200 kHz
1.0 LSB
Differential Non-linearity
(DNL)
V
REF
= V
CC
= 4V,
ADC clock = 200 kHz
0.5 LSB
Gain Error
V
REF
= V
CC
= 4V,
ADC clock = 200 kHz
1.0 LSB
Offset Error
V
REF
= V
CC
= 4V,
ADC clock = 200 kHz
1.0 LSB
Conversion Time Free Running Conversion 65 260 µs
Clock Frequency 50 200 kHz
V
IN
Input Voltage GND V
REF
V
Input Bandwidth 7.7 kHz
R
AIN
Analog Input Resistance 100 M
ADC Conversion Output 0 255 LSB