M38258MCM Datasheet, PDF (48/70 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI MICROCOMPUTERS
3825 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Table 17. A-D converter characteristics
(VCC = 4.0 to 5.5 V, VSS = 0 V, Ta = –20 to 85°C, 4 MHz ≤ f(XIN) ≤ 8 MHz, in middle-/high-speed mode, unless otherwise noted.)
Symbol
–
–
tCONV
Parameter
Test conditions
Resolution
Absolute accuracy (excluding quantization error) VCC = VREF = 5 V
Conversion time
f(XIN) = 8 MHz
Limits
Unit
Min. Typ. Max.
8
Bits
±2 LSB
12.5
(Note)
µs
RLADDER Ladder resistor
IVREF
Reference input current
VREF = 5 V
IIA
Analog port input current
Note : When an internal trigger is used in middle-speed mode, it is 14 µs.
12
35
100 kΩ
50
150
200
µA
5.0
µA
48