Datasheet

385
7766F–AVR–11/10
ATmega16/32U4
INL Integral Non-Linearity
V
REF
= 4V, V
CC
= 4V, ADC clock = 200 kHz 0.5 1.5
LSB
Gain = 1x/10x/40x, V
REF
= 4V, V
CC
= 5V,
ADC clock = 200 kHz
0.3 1.5
Gain = 200x, V
REF
= 4V, V
CC
= 5V,
ADC clock = 200 kHz
0.5 1.5
DNL Differential Non-Linearity
V
REF
= 4V, V
CC
= 4V, ADC clock = 200 kHz 0.4 0.7
LSB
Gain = 1x/10x/40x, V
REF
= 4V, V
CC
= 5V,
ADC clock = 200 kHz
0.3 1.0
Gain = 200x, V
REF
= 4V, V
CC
= 5V,
ADC clock = 200 kHz
0.6 1.0
Gain Error
V
REF
= 4V, V
CC
= 4V,ADC clock = 200 kHz -2.5 -1.0 2.5
LSB
Gain = 1x/10x/40x, V
REF
= 4V, V
CC
= 5V,
ADC clock = 200 kHz
0.0 -1.5 -2.5
Gain = 200x, V
REF
= 4V, V
CC
= 5V,
ADC clock = 200 kHz
0.0 -1.8 -3.0
Offset Error
V
REF
= 4V, V
CC
= 4V, ADC clock = 200 kHz -2.5 1.5 2.5
LSB
V
REF
= 4V, V
CC
= 5V, ADC clock = 200 kHz,
Differential mode
-2.0 0.0 2.0
V
REF
Reference Voltage
Single Ended Conversion 2.56 AVCC
V
Differential Conversion 2.56 AVCC - 0.5
AVCC Analog Supply Voltage V
CC
- 0.3 V
CC
+ 0.3 V
V
IN
Input Voltage
Single ended channels GND V
REF
V
Differential Conversion 0 AVCC
Input Bandwidth
Single Ended Channels 38.5
kHz
Differential Channels 4
V
INT
Internal Voltage Reference 2.56V 2.4 2.56 2.8 V
R
REF
Reference Input Resistance 32 kΩ
R
AIN
Analog Input Resistance 100 MΩ
Table 29-5. ADC Characteristics
Symbol Parameter Condition Min Typ Max Units