Samsung S3C8248 User Manual page 284

S3C8248/C8245/P8245/C8247/C8249/P8249
= - 40 °C to +85 °C, V
(T
A
Parameter
Resolution
Total accuracy
Integral Linearity
Error
Differential Linearity
Error
Offset Error of Top
Offset Error of
Bottom
(1)
Conversion time
Analog input voltage
Analog input
impedance
Analog reference
voltage
Analog ground
Analog input current
Analog block
(2)
current
NOTES:
1. 'Conversion time' is the time required from the moment a conversion operation starts until it ends.
2. I ADC is an operating current during A/D conversion.
Table 19-7. A/D Converter Electrical Characteristics
= 2.7 V to 5.5 V, V
DD
Symbol Conditions
V = 5 V
DD
AV = 5 V
REF
AV = 0 V
SS
ILE
DLE
EOT
EOB
t
CON
V
IAN
R
AN
AV
REF
AV
SS
I AV = V
ADIN REF
I AV = V
ADC REF
AV = V
REF
AV = V
REF
When power down mode
= 0 V)
SS
Min
–
–
– –
– AV
– 2
– 2.5
V
–
= 5 V
–
DD
= 5 V
–
DD
= 3 V
DD
= 5 V
DD
Typ
10
–
–
–
±1
±0.5
40
– AV
SS
1000
–
V
–
SS SS
–
1
0.5
100
ELECTRICAL DATA
Max Unit
– bit
±3
LSB
±2
±1
±3
±2
– fxx
V
REF
–
MΩ
V
V
DD
+ 0.3
10 uA
3 mA
1.5
500 nA
19-9