38K2 Datasheet, PDF (133/151 Pages) Renesas Technology Corp – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

38K2 Group (L Ver.)
Table 21 A/D Converter characteristics (VCC = 3.00 to 5.25 V, VSS = 0 V, Ta = –20 to 85°C, unless otherwise noted)
Symbol
—
—
—
VOT
VFST
tCONV
Parameter
Resolution
Linearity error
Differential nonlinear error
Zero transition voltage
Full scale transition voltage
Conversion time
Test conditions
Ta = 25 °C
Ta = 25 °C
VCC = VREF = 5.12 V
VCC = VREF = 5.12 V
Limits
Min.
Typ.
0
5105
15
5125
RLADDER
IVREF
II(AD)
Ladder resistor
Reference power source input current
A/D port input current
A/D converter operating; VREF = 5.0 V
50
A/D converter not operating; VREF = 5.0 V
35
150
Max.
10
±3
±1.5
35
5150
122
200
5
5.0
Unit
Bits
LSB
LSB
mV
mV
tc(XIN)
or
tc(fSYN)
kΩ
µA
µA
Rev.3.00 Oct 15, 2006 page 133 of 147
REJ03B0193-0300