Datasheet

337
8011N–AVR–01/10
ATmega164P/324P/644P
Note: 1. Values are guidelines only.
Gain Error
Gain = 1x
V
CC
=5 V, V
REF
= 4V
ADC clock = 200 kHz
19.5
LSB
Gain = 10x
V
CC
=5 V, V
REF
= 4V
ADC clock = 200 kHz
19.5
Gain = 200x
V
CC
=5 V, V
REF
= 4V
ADC clock = 200 kHz
6.5
Offset Error
Gain = 1x
V
CC
=5 V, V
REF
= 4V
ADC clock = 200 kHz
1
Gain = 10x
V
CC
=5 V, V
REF
= 4V
ADC clock = 200 kHz
1.25
Gain = 200x
V
CC
=5 V, V
REF
= 4V
ADC clock = 200 kHz
2.5
Conversion Time 13 260 µs
Clock Frequency 50 1000 kHz
AVCC Analog Supply Voltage
V
CC
-
0.3
V
CC
+
0.3
V
V
REF
Reference Voltage 2.0
AVCC -
0.5
V
V
IN
Input Differential Voltage 0 AVCC V
ADC Conversion Output -511 511 LSB
Input Bandwidth 4 kHz
V
INT1
Internal Voltage Reference 1.1V 1.0 1.1 1.2 V
V
INT2
Internal Voltage Reference 2.56V 2.33 2.56 2.79 V
R
REF
Reference Input Resistance 32 kΩ
Table 25-12. ADC Characteristics, Differential Channels (Continued)
Symbol Parameter Condition Min
(1)
Typ
(1)
Max
(1)
Units