Table of Contents
Advertisement
APPENDIX
3.1 Electrical characteristics
3.1.4 A-D converter recommended operating conditions
Table 3.1.5 A-D converter recommended operating conditions
(Comparator mode included, Ta = –20 °C to 85 °C, unless otherwise noted)
Symbol
Parameter
V
Supply voltage
DD
V
Analog input voltage
IA
f(X
)
Oscillation frequency
IN
Table 3.1.6 A-D converter characteristics
(Ta = –20 °C to 85 °C, unless otherwise noted)
Symbol
Parameter
–
Resolution
–
Linearity error
–
Differential non-linearity error
Zero transition voltage
V
0T
V
Full-scale transition voltage
FST
IA
A–D operating current
DD
T
A-D conversion time
CONV
–
Comparator resolution
–
Comparator error (Note)
–
Comparator comparison time
Note: As for the error from the ideal value in the comparator mode, when the contents of the comparator register is n, the logic value of the comparison volt-
age V
which is generated by the built-in DA converter can be obtained by the following formula.
ref
Logic value of comparison voltage V
V
DD
V
=
n
ref
256
n = Value of register AD (n = 0 to 255)
3.1.5 Voltage drop detection circuit characteristics
Table 3.1.7 Voltage drop detection circuit characteristics
(Ta = –20 °C to 85 °C, unless otherwise noted)
Symbol
Parameter
V
Detection voltage
RST
Operation current of voltage
I
RST
drop detection circuit
3-6
Conditions
Middle-speed mode, V
DD
High-speed mode, V
DD
Test conditions
Ta = 25 °C, V
= 2.7 V to 5.5 V
DD
Ta = –25 °C to 85 ° C, V
Ta = 25 °C, V
= 2.7 V to 5.5 V
DD
Ta = –25 °C to 85 ° C, V
V
= 5.12 V
DD
V
= 3.072 V
DD
V
= 5.12 V
DD
V
= 3.072 V
DD
V
= 5.0 V
f(X
DD
IN
f(X
V
= 3.0 V
IN
DD
f(X
) = 4.0 MHz, Middle-speed mode
IN
f(X
) = 4.0 MHz, High-speed mode
IN
Comparator mode
V
= 5.12 V
DD
V
= 3.072 V
DD
f(X
) = 4.0 MHz, Middle-speed mode
IN
f(X
) = 4.0 MHz, High-speed mode
IN
ref
Test conditions
Ta = 25 °C
V
= 5.0 V
DD
4513/4514 Group User's Manual
2.7 V
2.7 V
= 3.0 V to 5.5 V
DD
= 3.0 V to 5.5 V
DD
) = 0.4 MHz to 4.0 MHz
) = 0.4 MHz to 2.0 MHz
Limits
Min.
Typ.
Max.
5.5
2.7
V
0
DD
0.8
0.4
Limits
Min.
Typ.
Max.
10
±2
±0.9
20
0
5
3
15
0
5115
5125
5105
3069
3075
3060
2.0
0.7
0.4
0.2
93.0
46.5
8
±20
±15
12
6
Limits
Min.
Typ.
Max.
2.7
4.1
3.3
3.5
3.7
50
100
Unit
V
V
MHz
MHz
Unit
bits
LSB
LSB
mV
mV
mA
s
bits
mV
s
Unit
V
A
Advertisement
Table of Contents
