401
13.2.4
A/D Converter Characteristics
Table 13-5 shows the A/D converter characteristics of the H8/3937 Series and H8/3937R Series.
Table 13-5 A/D Converter Characteristics
V
CC
= 1.8 V to 3.6 V, V
SS
= AV
SS
= 0.0 V, Ta = –20°C to +75°C (including subactive mode)
unless otherwise indicated.
Applicable
Values
Typ
—
Item
Analog power
supply voltage
Analog input
voltage
Analog power
supply current
Symbol Pins
AV
CC
Min
1.8
Max
3.6
Unit
V
Test Condition
Notes
*
1
AV
CC
AV
IN
AN
0
to AN
7
–
0.3
—
AV
CC
+ 0.3 V
AI
OPE
AI
STOP1
AV
CC
AV
CC
—
—
—
600
1.0
—
mA
μA
AV
CC
= 3.0 V
*
2
Reference
value
*
3
AI
STOP2
C
AIN
AV
CC
AN
0
to AN
7
—
—
—
—
5
15.0
μA
pF
Analog input
capacitance
Allowable
signal source
impedance
Resolution
(data length)
Nonlinearity
error
R
AIN
—
—
10.0
k
—
—
10
bit
—
—
±2.5
LSB
AV
CC
= 3.0 to 3.6 V
V
CC
= 3.0 to 3.6 V
AV
CC
= 2.0 to 3.6 V
V
CC
= 2.0 to 3.6 V
Except the above
—
—
±5.5
—
—
—
—
±7.5
±0.5
*
4
Quantization
error
Absolute
accuracy
LSB
—
—
±3.0
LSB
AV
CC
= 3.0 to 3.6 V
V
CC
= 3.0 to 3.6 V
AV
CC
= 2.0 to 3.6 V
V
CC
= 2.0 to 3.6 V
Except the above
AV
CC
= 2.7 to 3.6 V
V
CC
= 2.7 to 3.6 V
Except the above
—
—
±6.0
—
12.4
—
—
±8.0
124
*
4
Conversion
time
μs
62
—
124
Notes: 1. Set AV
= V
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
is the current at reset and in standby, watch, subactive, and subsleep modes
while the A/D converter is idle.
4. Conversion time: 62 μs