388
CHAPTER 24 ELECTRICAL SPECIFICATIONS
User
’
s Manual U14701EJ3V0UD
A/D converter characteristics (T
A
=
–
40 to +85
°
C, AV
SS
= V
SS
= 0 V)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Resolution
10
10
10
bit
Overall error
Note
4.5 V
≤
V
DD
≤
5.5 V
±
0.2
±
0.4
%FSR
2.7 V
≤
V
DD
< 4.5 V
±
0.3
±
0.6
%FSR
2.05 V
≤
V
DD
< 2.7 V
±
0.6
±
1.2
%FSR
Conversion time
t
CONV
4.5 V
≤
V
DD
≤
5.5 V
14
100
μ
s
2.7 V
≤
V
DD
< 4.5 V
19
100
μ
s
2.05 V
≤
V
DD
< 2.7 V
48
100
μ
s
Zero-scale error
Note
4.5 V
≤
V
DD
≤
5.5 V
±
0.4
%FSR
2.7 V
≤
V
DD
< 4.5 V
±
0.6
%FSR
2.05 V
≤
V
DD
< 2.7 V
±
1.2
%FSR
Full-scale error
Note
4.5 V
≤
V
DD
≤
5.5 V
±
0.4
%FSR
2.7 V
≤
V
DD
< 4.5 V
±
0.6
%FSR
2.05 V
≤
V
DD
< 2.7 V
±
1.2
%FSR
Integral linearity error
4.5 V
≤
V
DD
≤
5.5 V
±
2.5
LSB
2.7 V
≤
V
DD
< 4.5 V
±
4.5
LSB
2.05 V
≤
V
DD
< 2.7 V
±
8.5
LSB
Differential linearity error
4.5 V
≤
V
DD
≤
5.5 V
±
1.5
LSB
2.7 V
≤
V
DD
< 4.5 V
±
2.0
LSB
2.05 V
≤
V
DD
< 2.7 V
±
3.5
LSB
Analog input voltage
V
IAN
0
AV
REF
V
Analog reference voltage
AV
REF0
2.05
V
DD
V
Resistance between
AV
REF0
and AV
SS
R
REF0
At A/D conversion operation
20
40
k
Note
Overall error excluding quantization error (
±
1/2 LSB). It is indicated as a ratio (%FSR) to the full-scale value.
D/A converter characteristics (T
A
=
–
40 to +85
°
C, AV
SS
= V
SS
= 0 V)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Resolution
8
bit
Overall error
Note 1
R = 2 M
Note 2
1.2
%
R = 4 M
Note 2
0.8
%
R = 10 M
Note 2
0.6
%
Settling time
C = 30 pF
4.5 V
≤
V
DD
≤
5.5 V
10
μ
s
2.7 V
≤
V
DD
< 4.5 V
15
μ
s
1.8 V
≤
V
DD
< 2.7 V
20
μ
s
Output resistance
R
O
Note 3
10
k
Analog reference voltage
AV
REF1
1.8
V
DD
V
Resistance between
AV
REF1
and AV
SS
R
REF1
DA0 = 55H
Note 3
4
8
k
Notes 1.
Overall error excluding quantization error (
±
1/2 LSB). It is indicated as a ratio (%FSR) to the full-scale
value.
2.
R and C are the D/A converter output pin load resistance and load capacitance, respectively.
3.
Value for one D/A converter channel