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
Item
Symbol Pins
Min
Typ
Max
Unit
Test Condition
Notes
Analog power
supply voltage
AV
CC
AV
CC
1.8
—
3.6
V
*
1
Analog input
voltage
AV
IN
AN
0
to AN
7
– 0.3
—
AV
CC
+ 0.3 V
Analog power
AI
OPE
AV
CC
—
—
1.0
mA
AV
CC
= 3.0 V
supply current
AI
STOP1
AV
CC
—
600
—
µA
*
2
Reference
value
AI
STOP2
AV
CC
—
—
5
µA
*
3
Analog input
capacitance
C
AIN
AN
0
to AN
7
—
—
15.0
pF
Allowable
signal source
impedance
R
AIN
—
—
10.0
k
Ω
Resolution
(data length)
—
—
10
bit
Nonlinearity
error
—
—
±2.5
LSB
AV
CC
= 3.0 to 3.6 V
V
CC
= 3.0 to 3.6 V
—
—
±5.5
AV
CC
= 2.0 to 3.6 V
V
CC
= 2.0 to 3.6 V
—
—
±7.5
Except the above
*
4
Quantization
error
—
—
±0.5
LSB
Absolute
accuracy
—
—
±3.0
LSB
AV
CC
= 3.0 to 3.6 V
V
CC
= 3.0 to 3.6 V
—
—
±6.0
AV
CC
= 2.0 to 3.6 V
V
CC
= 2.0 to 3.6 V
—
—
±8.0
Except the above
*
4
Conversion
time
12.4
—
124
µs
AV
CC
= 2.7 to 3.6 V
V
CC
= 2.7 to 3.6 V
62
—
124
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. Conversion time: 62 µs
Содержание H8/3935
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