Datasheet

340
8272A–AVR–01/10
164A/164PA/324A/324PA/644A/644PA/1284/1284P
Table 27-18. ADC Characteristics, Differential Channels
Symbol Parameter Condition Min
(1)
Typ
(1)
Max
(1)
Units
Resolution
Gain = 1x 10
BitsGain = 10x 10
Gain = 200x 7
Absolute Accuracy (Including INL,
DNL Quantization Error and Offset
Error)
Gain = 1x
V
CC
=5 V, V
REF
= 4V
ADC clock = 200 kHz
19
LSB
Gain = 10x
V
CC
=5 V, V
REF
= 4V
ADC clock = 200 kHz
19
Gain = 200x
V
CC
=5 V, V
REF
= 4V
ADC clock = 200 kHz
12
Integral Non-linearity (INL)
Gain = 1x
V
CC
=5 V, V
REF
= 4V
ADC clock = 200 kHz
2
Gain = 10x
V
CC
=5 V, V
REF
= 4V
ADC clock = 200 kHz
4
Gain = 200x
V
CC
=5 V, V
REF
= 4V
ADC clock = 200 kHz
11
Differential Non-linearity (DNL)
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
1.5
Gain = 200x
V
CC
=5 V, V
REF
= 4V
ADC clock = 200 kHz
11