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15.2.4
A/D Converter Characteristics
Table 15.7 shows the A/D converter characteristics of the H8/3855, H8/3856, and H8/3857.
Table 15.7 A/D Converter Characteristics of H8/3855, H8/3856, and H8/3857
V
= 3.0 V to 5.5 V, V
CC
Item
Symbol Pins
Analog power supply
AV
voltage
Analog input voltage AV
Analog power supply AI
current
AI
AI
Analog input
C
AIN
capacitance
Allowable signal
R
AIN
source impedance
Resolution (data
length)
Non-linearity error
Quantization error
Absolute accuracy
Conversion time
≤ V
Notes: 1. Set AV
CC
2. AI
is the current in active and sleep modes while the A/D converter is idle.
STOP1
3. AI
is the current at reset and in standby, watch, subactive, and subsleep modes
STOP2
while the A/D converter is idle.
4. The guaranteed temperature as an electrical characteristic for die type products is
75°C.
= AV
= 0.0 V, T
SS
SS
Applicable
Test
Conditions
AV
CC
CC
AN
to AN
IN
0
7
AV
AV
OPE
CC
AV
AV
STOP1
CC
AV
STOP2
CC
AN
to AN
0
7
, and set AV
= V
CC
CC
15. Electrical Characteristics (H8/3857 Group)
4
= –20°C to +75°C*
a
Min
3.0
–0.3 ⎯
AV
SS
⎯
= 5.0 V
CC
⎯
= 5.0 V
CC
⎯
⎯
⎯
⎯
⎯
⎯
⎯
12.4
when the A/D converter is not used.
CC
Rev.3.00 Jul. 19, 2007 page 415 of 532
, unless otherwise specified.
Values
Typ
Max
Unit Figure
⎯
5.5
V
AV
+0.3 V
CC
⎯
1.5
mA
⎯
μA
300
⎯
μA
5.0
⎯
30.0
pF
⎯
5.0
kΩ
⎯
8
Bit
⎯
±2.0
LSB
⎯
±0.5
LSB
⎯
±2.5
LSB
⎯
μs
124
REJ09B0397-0300
Reference
1
*
2
*
Reference
value
3
*
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