Rainbow Electronics ATtiny43U - Manual (Page 160)

160
8048B–AVR–03/09
ATtiny43U
20.8 ADC Characteristics – Preliminary Data
Table 20-8. ADC Characteristics, Single_Ended Conversion, T
A
= -40
°
C - 85
°
C, Boost Converter Disabled.
Symbol Parameter Condition Min Typ Max Units
Resolution 10 Bits
Absolute accuracy
(Including INL, DNL, and
quantization, Gain and Offset
Errors)
V
REF
= 4V, V
CC
= 4V,
ADC clock = 200 kHz
4.0 TBD LSB
V
REF
= 4V, V
CC
= 4V,
ADC clock = 1 MHz
5.0 TBD LSB
V
REF
= 4V, V
CC
= 4V,
ADC clock = 200 kHz
Noise Reduction Mode
3.0 TBD LSB
V
REF
= 4V, V
CC
= 4V,
ADC clock = 1 MHz
Noise Reduction Mode 4.0 TBD LSB
Integral Non-linearity (INL)
(Accuracy after Offset and
Gain Calibration)
V
REF
= 4V, V
CC
= 4V,
ADC clock = 200 kHz
1.0 TBD LSB
Differential Non-linearity
(DNL) V
REF
= 4V, V
CC
= 4V,
ADC clock = 200 kHz
0.5 TBD LSB
Gain Error
V
REF
= 4V, V
CC
= 4V,
ADC clock = 200 kHz
5.0 TBD LSB
Offset Error
V
REF
= 4V, V
CC
= 4V,
ADC clock = 200 kHz
-3.0 TBD LSB
Conversion Time Free Running Conversion 14 280 µs
Clock Frequency 50 1000 kHz
V
IN
Input Voltage GND V
REF
V
Input Bandwidth 38.4 kHz
V
INT
Internal Voltage Reference 1.0 1.1 1.2 V
R
AIN
Analog Input Resistance 100 M
Ω