S3C8248 Datasheet, PDF (19/33 Pages) Samsung semiconductor – S3C8-SERIES MICROCONTROLLERS

S3C8248/C8245/P8245/C8247/C8249/P8249
ELECTRICAL DATA
Table 19-7. A/D Converter Electrical Characteristics
(T_A = - 40 °C to +85 °C, V_DD = 1.8 V to 5.5 V, V_SS = 0 V)
Parameter
Symbol
Conditions
Resolution
Total accuracy
V_DD = 5 V
AV_REF = 5 V
AV_SS = 0 V
Integral Linearity
ILE
Error
Differential Linearity
DLE
Error
Offset Error of Top
EOT
Offset Error of
Bottom
EOB
Conversion time ⁽¹⁾
t_CON
–
Analog input voltage
V_IAN
–
Analog input
R_AN
–
impedance
Analog reference
AV_REF
–
voltage
Min
Typ
Max
–
10
–
–
–
±3
–
AV_SS
2
2.5
–
–
±1
±0.5
40
–
1000
–
±2
±1
±3
±2
–
AV_REF
–
V_DD
Analog ground
AV_SS
–
V_SS
Analog input current
I_ADIN
AV_REF = V_DD = 5 V
–
Analog block
I_ADC
AV_REF = V_DD = 5 V
–
current ⁽²⁾
AV_REF = V_DD = 3 V
AV_REF = V_DD = 5 V
When power down mode
–
V_SS + 0.3
–
10
1
3
0.5
1.5
100
500
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 A/D conversion.
Unit
bit
LSB
fxx
V
Mohm
V
uA
mA
nA
19-9