CHAPTER 22 ELECTRICAL SPECIFICATIONS (TARGET VALUES) ((A2) product)
User’s Manual U16898EJ3V0UD
365
(A2) product T
A
=
−
40 to
+
125
°
C
A/D Converter Characteristics (T
A
=
−
40 to +125
°
C, 2.7 V
≤
AV
REF
≤
V
DD
≤
5.5 V, V
SS
= 0 V
Note 1
)
Parameter Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Resolution
10 10 10 bit
4.0 V
≤
AV
REF
≤
4.5 V
±
0.2
±
0.7 %FSR
Overall error
Notes 2, 3
AINL
2.7 V
≤
AV
REF
< 4.0 V
±
0.3
±
0.9 %FSR
4.5 V
≤
AV
REF
≤
5.5 V
3.0
30
µ
s
4.0 V
≤
AV
REF
< 4.5 V
4.8
30
µ
s
2.85 V
≤
AV
REF
< 4.0 V
6.0
30
µ
s
Conversion time
t
CONV
2.7 V
≤
AV
REF
< 2.85 V
14.0
30
µ
s
4.0 V
≤
AV
REF
≤
5.5 V
±
0.7 %FSR
Zero-scale error
Notes 2, 3
Ezs
2.7 V
≤
AV
REF
< 4.0 V
±
0.9 %FSR
4.0 V
≤
AV
REF
≤
5.5 V
±
0.7 %FSR
Full-scale error
Notes 2, 3
Efs
2.7 V
≤
AV
REF
< 4.0 V
±
0.9 %FSR
4.0 V
≤
AV
REF
≤
5.5 V
±
5.5 LSB
Integral non-linearity error
Note 2
ILE
2.7 V
≤
AV
REF
< 4.0 V
±
7.5 LSB
4.0 V
≤
AV
REF
≤
5.5 V
±
2.5 LSB
Differential non-linearity error
Note 2
DLE
2.7 V
≤
AV
REF
< 4.0 V
±
3.0 LSB
Analog input voltage
V
AIN
V
SS
Note 1
AV
REF
V
Notes 1.
In the 78K0S/KA1+, V
SS
functions alternately as the ground potential of the A/D converter. Be sure to
connect V
SS
to a stabilized GND (= 0 V).
2.
Excludes quantization error (
±
1/2 LSB).
3.
This value is indicated as a ratio (%FSR) to the full-scale value.
Caution The conversion accuracy may be degraded if the level of a port that is not used for A/D conversion is
changed during A/D conversion.