ABOV SEMICONDUCTOR MC81F4204 - A;D Converter Characteristics

MC81F4204
April 24, 2012 Ver.1.41 27
7.3 A/D Converter Characteristics
(T
A
= - 40
°
C to + 85
°
C, Vref = 2.7 V to 5.5 V)
Parameter Symbol Conditions Min Typ Max Units
A/D converting
Resolution
– – – 12 – bits
Integral Linearity Error ILE – –
± 3
Differential Linearity
Error
DLE
– –
± 2
Offset Error of Top
EOT –
± 1 ± 3
Offset Error of Bottom
EOB –
± 1 ± 3
Overall Accuracy
–
Vref = 5.12V,
V
SS
= 0V, T
A
= + 25
°
C
–
± 3 ± 5
LSB
Conversion time
t
CONV
–
25 – –
μs
Analog input voltage VAIN –
V
SS
– Vref V
Analog Reference
Voltage
Vref – 2.7 – 5.5 V
Analog input current
I
AIN
VDD = Vref = 5V
–
– 10
μA
VDD = Vref = 5V – 1 3
VDD = Vref = 3V – 0.5 1.5
mA
Analog block current IAVDD
VDD = Vref = 5V
Power down mode
– 100 500 nA
-
VDD = 5v, T
A
= + 25
°
C
- 1.67 - V
-
VDD = 4v, T
A
= + 25
°
C
- 1.63 - V
BGR
-
VDD = 3v, T
A
= + 25
°
C
- 1.62 - V