Document Number: 002-04721 Rev.*A
Page 53 of 74
MB966B0 Series
14.5 A/D Converter
14.5.1 Electrical Characteristics for the A/D Converter
(V
CC
= AV
CC
= 2.7V to 5.5V, V
SS
= AV
SS
= 0V, T
A
= - 40°C to + 125°C)
Parameter
Symbol
Pin name
Value
Unit
Remarks
Min
Typ
Max
Resolution
-
-
-
-
10
bit
Total error
-
-
- 3.0
-
+ 3.0
LSB
Nonlinearity error
-
-
- 2.5
-
+ 2.5
LSB
Differential
Nonlinearity error
-
-
- 1.9
-
+ 1.9
LSB
Zero transition
voltage
V
OT
ANn
Typ - 20
AVRL
+ 0.5LSB
Typ + 20
mV
Full scale transition
voltage
V
FST
ANn
Typ - 20
AVRH
- 1.5LSB
Typ + 20
mV
Compare time
*
-
-
1.0
-
5.0
s
4.5V ≤ ΑV
CC
≤ 5.5V
2.2
-
8.0
s
2.7V ≤ ΑV
CC
4.5V
Sampling time
*
-
-
0.5
-
-
s
4.5V ≤ ΑV
CC
≤ 5.5V
1.2
-
-
s
2.7V ≤ ΑV
CC
4.5V
Power supply
current
I
A
AV
CC
-
2.0
3.1
mA
A/D Converter active
I
AH
-
-
3.3
A
A/D Converter not
operated
Reference power
supply current
(between AVRH
and AVRL)
I
R
AVRH
-
520
810
A
A/D Converter active
I
RH
-
-
1.0
A
A/D Converter not
operated
Analog input
capacity
C
VIN
AN2 to 4,
6 to 8,
10 to 12,
14, 15
-
-
16.0
pF
Normal outputs
AN16 to
31
-
-
17.8
pF
High current outputs
Analog impedance
R
VIN
ANn
-
-
2050
4.5V ≤ AV
CC
≤ 5.5V
-
-
3600
2.7V ≤ AV
CC
< 4.5V
Analog port input
current (during
conversion)
I
AIN
AN2 to 4,
6 to 8,
10 to 12,
14, 15
- 0.3
-
+ 0.3
A
AV
SS
, AVRL
V
AIN
AV
CC
, AVRH
AN16 to
31
- 3.0
-
+ 3.0
A
Analog input
voltage
V
AIN
ANn
AVRL
-
AVRH
V
Reference voltage
range
-
AVRH
AV
CC
- 0.1
-
AV
CC
V
-
AVRL
AV
SS
-
AV
SS
+ 0.1
V
Variation between
channels
-
ANn
-
-
4.0
LSB
*: Time for each channel.