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(3) A/D Converter (T
Parameter
Resolution
Absolute Accuracy*
3
Conversion Time*
4
Sampling Time*
Analog Input Voltage
Analog Input Impedance
AV
Current
REF
*1: Absolute accuracy excluding quantization error (±
2: Set ADM1 as follows, in respect to the reference voltage of the AD converter (AV
AV
ADM1 can be set to either 0 or 1 when 0.6V
3: Time since execution of conversion start instruction until EOC = 1 (40.1 µ s: f
4: Time since execution of conversion start instruction until end of sampling (10.5 µ s: f
52
= -10 to +70°C, V
= 3.5 to 6.0 V, AV
a
DD
Symbol
2.5 V ≤ AV
1
t
CONV
t
SAMP
V
IAN
R
AN
I
REF
2.5 V
0.6 V
DD
REF
ADM1=1
= V
= 0 V)
SS
SS
Conditions
≤ V
2
*
REF
DD
1
–
LSB)
2
0.65 V
V
(3.5 to 6.0 V)
DD
DD
ADM1=0
≤ AV
≤ 0.65V
DD
REF
DD
µ PD75512
MIN.
TYP.
MAX.
Unit
8
8
8
bit
±1.5
LSB
µ s
168/f
X
µ s
44/f
X
AV
AV
V
SS
REF
1000
MΩ
1.0
2.0
mA
).
REF
= 4.19 MHz)
X
= 4.19 MHz)
X
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