
7540 Group
Rev.4.00 Jun 21, 2004 page 57 of 82
REJ03B0011-0400Z
A/D Converter Characteristics (General purpose)
Table 13 A/D Converter characteristics
(VCC = 2.7 to 5.5 V, VSS = 0 V, Ta = –20 to 85 °C, unless otherwise noted)
Resolution
Linearity error
Differential nonlinear error
Zero transition voltage
Full scale transition voltage
Conversion time
Ladder resistor
Reference power source input current
A/D port input current
Resolution
Linearity error
Differential nonlinear error
Zero transition voltage
Full scale transition voltage
Conversion time
Ladder resistor
Reference power source
input current
A/D port input current
Min.
Typ. Max.
Symbol Parameter
Limits
UnitTest conditions
VCC = 2.7 to 5.5 V
Ta = 25 °C
VCC = 2.7 to 5.5 V
Ta = 25 °C
VCC = VREF = 5.12 V
VCC = VREF = 3.072 V
VCC = VREF = 5.12 V
VCC = VREF = 3.072 V
VREF = 5.0 V
VREF = 3.0 V
VCC = 2.7 to 5.5 V
Ta = 25 °C
VCC = 2.7 to 5.5 V
Ta = 25 °C
VCC = VREF = 5.12 V
VCC = VREF = 3.072 V
VCC = VREF = 5.12 V
VCC = VREF = 3.072 V
VREF = 5.0 V
VREF = 3.0 V
Bits
LSB
LSB
mV
mV
mV
mV
tc(XIN)
kΩ
µA
µA
Bits
LSB
LSB
mV
mV
mV
mV
tc(XIN)
kΩ
µA
µA
10
±3
±0.9
20
15
5125
3075
122
200
120
5.0
10
±3
±1.5
35
21
5150
3090
122
200
120
5.0
—
—
—
VOT
VFST
tCONV
RLADDER
IVREF
II(AD)
—
—
—
VOT
VFST
tCONV
RLADDER
IVREF
II(AD)
5
3
5115
3069
55
150
70
15
9
5125
3075
55
150
70
0
0
5105
3060
50
50
0
0
5105
3060
50
50
One Time
PROM version
Mask ROM version
Commenti su questo manuale