MITSUBISHI MICROCOMPUTERS
7477/7478 GROUP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
M37477M4/M8/E8-XXXSP/FP
A-D CONVERSION CHARACTERISTICS
(VCC = 2.7 to 5.5 V, VSS = 0 V, Ta = –20 to 85°C, unless otherwise noted)
Limits
Unit
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
——
——
bits
Resolution
8
LSB
Absolute accuracy
±3
VCC = 2.7 to 5.5 V, f(XIN) = 4 MHz
VCC = 4.5 to 5.5 V, f(XIN) = 8 MHz
25
TCONV
µs
Conversion time
12.5
V
VREF
Reference input voltage
0.5 VCC
VCC
2
0
kΩ
Ladder resistance value
Analog input voltage
5
10
RLADDER
VIA
V
VREF
42