Samsung S3C8245 User Manual

Page of 335
S3C8245/P8245/C8249/P8249
A/D CONVERTER
15-5
 NOTE: The symbol "R" signifies an offset resistor with a value of from 50
Ω
 to 100
Ω
.
                  If this resistor is omitted, the absolute accuracy will be maximum of 3 LSBs.
V
SS
S3C8245/C8249
ADC0-ADC7
AV
REF
Reference
Voltage
Input
Analog
Input Pin
R
V
DD
V
DD
10 pF
103
C
101
C
+
-
Figure 15-4. Recommended A/D Converter Circuit for Highest Absolute Accuracy