372
15.2.4 A/D Converter Characteristics
Table 15-5 shows the A/D converter characteristics of the H8/3864.
Table 15-5 A/D Converter Characteristics
V
CC
= 1.8 V to 5.5 V, V
SS
= AV
SS
= 0.0 V, T
a
= –20°C to +75°C (including subactive mode)
unless otherwise indicated.
Applicable
Values
Reference
Item
Symbol
Pins
Min
Typ
Max
Unit
Test Condition
Figure
Analog power AV
CC
AV
CC
1.8
—
5.5
V
*
1
supply voltage
Analog input
AV
IN
AN
0
to AN
7
– 0.3
—
AV
CC
+ 0.3
V
voltage
Analog power
AI
OPE
AV
CC
—
—
1.5
mA
AV
CC
= 5 V
supply current
AI
STOP1
AV
CC
—
600
—
µA
*
2
Reference
value
AI
STOP2
AV
CC
—
—
5
µA
*
3
Analog input
C
AIN
AN
0
to AN
7
—
—
15.0
pF
capacitance
Allowable
R
AIN
—
—
10.0
k
Ω
signal source
impedance
Resolution —
—
10
bit
(data length)
Nonlinearity —
—
±2.5
LSB
AV
CC
= 3.0 V to 5.5 V
*
4
error
V
CC
= 3.0 V to 5.5 V
—
—
±5.5
AV
CC
= 2.0 V to 5.5 V
V
CC
= 2.0 V to 5.5 V
—
—
±7.5
Except the above
*
5
Quantization
—
—
±0.5
LSB
error
Absolute —
—
±3.0
LSB
AV
CC
= 3.0 V to 5.5 V
*
4
accuracy
V
CC
= 3.0 V to 5.5 V
—
—
±6.0
AV
CC
= 2.0 V to 5.5 V
V
CC
= 2.0 V to 5.5 V
—
—
±8.0
Except the above
*
5
Conversion 15.5
—
155
µs
AV
CC
= 3.0 V to 5.5 V
*
4
time
V
CC
= 3.0 V to 5.5 V
62
—
155
Except the above
Notes: 1. Set AV
CC
= V
CC
when the A/D converter is not used.
2. AI
STOP1
is the current in active and sleep modes while the A/D converter is idle.
3. AI
STOP2
is the current at reset and in standby, watch, subactive, and subsleep modes while the A/D
converter is idle.
4. When internal step-down circuit is not used.
5. Conversion time 124 µs