
S3C8625/C8627/C8629/P8629
ELECTRICAL DATA
19-5
Table 19-5. A/D Converter Electrical Characteristics
(T
A = – 40
°C to + 85 °C, V
DD = 4.0 V to 5.5 V, VSS = 0 V)
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Resolution
–
8
–
bit
Total accuracy
V
DD = 5 V
Conversion time = 5
s
–
± 2
LSB
Integral linearity error
ILE
AV
REF = 5 V
–
± 1
Differential linearity error
DLE
AV
SS = 0 V
–
± 1
Offset error of top
EOT
± 1
± 2
Offset error of bottom
EOB
± 0.5
± 2
Conversion time (1)
t
CON
8 bit conversion
34 x n/f
OSC
(3), n=1,4,8,16
17
–
170
s
Analog input voltage
VIAN
–
AV
SS
–
AV
REF
V
Analog input impedance
RAN
–
2
1000
–
m
Analog reference voltage
AVREF
–
2.5
–
V
DD
V
Analog ground
AVSS (4)
–
V
SS
–
V
SS
V
Analog input current
IADIN
AV
REF = VDD = 5V
–
10
A
Analog block Current (2)
IADC
AV
REF = VDD = 5V
–
1
3
mA
AV
REF = VDD = 3V
0.5
1.5
mA
AVREF = VDD = 5V
When power down mode
100
500
nA
NOTES:
1.
"Conversion time" is the time required from the moment a conversion operation starts until it ends.
2.
IADC is an operating current during the A/D conversion.
3.
fOSC is the main oscillator clock.
4.
VSS port shaves with the AVSS for S3C8625/C8627/C8629.