4513_03 Datasheet, PDF (173/210 Pages) Renesas Technology Corp – 4-BIT SINGLE-CHIP MICROCOMPUTER

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
Conditions
VDD
VIA
f(XIN)
Supply voltage
Analog input voltage
Oscillation frequency
Middle-speed mode, VDD ≥ 2.7 V
High-speed mode, VDD ≥ 2.7 V
Limits
Unit
Min.
Typ.
Max.
2.7
5.5
V
0
VDD
V
0.8
MHz
0.4
MHz
Table 3.1.6 A-D converter characteristics
(Ta = –20 °C to 85 °C, unless otherwise noted)
Symbol
Parameter
Test conditions
–
Resolution
–
Linearity error
Ta = 25 °C, VDD = 2.7 V to 5.5 V
Ta = –25 °C to 85 ° C, VDD = 3.0 V to 5.5 V
Ta = 25 °C, VDD = 2.7 V to 5.5 V
–
Differential non-linearity error
Ta = –25 °C to 85 ° C, VDD = 3.0 V to 5.5 V
Limits
Unit
Min.
Typ.
Max.
10
bits
±2
LSB
±0.9 LSB
V0T
Zero transition voltage
VFST
Full-scale transition voltage
IADD
A–D operating current
TCONV
–
A-D conversion time
Comparator resolution
VDD = 5.12 V
VDD = 3.072 V
VDD = 5.12 V
VDD = 3.072 V
VDD = 5.0 V
f(XIN) = 0.4 MHz to 4.0 MHz
VDD = 3.0 V
f(XIN) = 0.4 MHz to 2.0 MHz
f(XIN) = 4.0 MHz, Middle-speed mode
f(XIN) = 4.0 MHz, High-speed mode
Comparator mode
0
0
5105
3060
5
3
5115
3069
0.7
0.2
20
mV
15
5125
mV
3075
2.0
mA
0.4
93.0
µs
46.5
8
bits
VDD = 5.12 V
–
Comparator error (Note)
VDD = 3.072 V
–
f(XIN) = 4.0 MHz, Middle-speed mode
Comparator comparison time
f(XIN) = 4.0 MHz, High-speed mode
±20
mV
±15
12
µs
6
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 Vref which is generated by the built-in DA converter can be obtained by the following formula.
Logic value of comparison voltage Vref
VDD
Vref =
!n
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
Test conditions
VRST
IRST
Detection voltage
Operation current of voltage
drop detection circuit
Ta = 25 °C
VDD = 5.0 V
Limits
Unit
Min.
Typ.
Max.
2.7
4.1
V
3.3
3.5
3.7
50
100
µA
3-6
4513/4514 Group User’s Manual