Datasheet

3. C
b
= capacitance of one bus line in pF.
4. f
CK
= CPU clock frequency.
5. This requirement applies to all two-wire Serial Interface operation. Other devices connected to the
two-wire Serial Bus need only obey the general f
SCL
requirement.
Figure 33-5. Two-Wire Serial Bus Timing
t
SU;STA
t
LOW
t
HIGH
t
LOW
t
of
t
HD;STA
t
HD;DAT
t
SU;DAT
t
SU;STO
t
BUF
SCL
SDA
t
r
33.9 ADC Characteristics
Table 33-10. ADC Characteristics
Symbol Parameter Condition Min. Typ. Max. Units
Resolution - 10 - Bits
TUE Absolute accuracy (Including
INL, DNL, quantization error,
gain and offset error)
V
REF
= 4V, V
CC
= 4V,
clk
ADC
= 200 kHz
- 2 - LSB
V
REF
= 4V, V
CC
= 4V,
clk
ADC
= 1 MHz
- 4 - LSB
V
REF
= 4V, V
CC
= 4V,
clk
ADC
= 200 kHz
Noise Reduction Mode
- 2 - LSB
V
REF
= 4V, V
CC
= 4V,
clk
ADC
= 1 MHz
Noise Reduction Mode
- 4 - LSB
INL Integral Non-Linearity V
REF
= 4V, V
CC
= 4V,
clk
ADC
= 200 kHz
- 0.5 - LSB
DNL Differential Non-Linearity V
REF
= 4V, V
CC
= 4V,
clk
ADC
= 200 kHz
- 0.25 - LSB
Gain Error V
REF
= 4V, V
CC
= 4V,
clk
ADC
= 200kHz
- 2 - LSB
Offset Error V
REF
= 4V, V
CC
= 4V,
clk
ADC
= 200 kHz
- 2 - LSB
Conversion Time Free Running Conversion 13 - 260 μs
Clock Frequency 50 - 1000 kHz
AV
CC
(1)
Analog Supply Voltage V
CC
- 0.3 - V
CC
+ 0.3 V
ATmega328PB
Electrical Characteristics
© 2018 Microchip Technology Inc.
Datasheet Complete
DS40001906C-page 414