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M16C/64A Group
Table 31.6
A/D Conversion Characteristics (2/2)
= 3.0 to 5.5 V ≥ V
V
= AV
CC1
CC
specified.
Symbol
φ AD
A/D operating clock
frequency
-
Tolerance level impedance
D
Differential non-linearity error
NL
-
Offset error
-
Gain error
t
10-bit conversion time
CONV
t
Sampling time
SAMP
V
Reference voltage
REF
V
Analog input voltage
IA
Notes:
1.
Use when AV
CC
≥ V
2.
When V
CC1
Analog input voltage (AN0 to AN7, ANEX0, and ANEX1) ≤ V
Analog input voltage (AN0_0 to AN0_7 and AN2_0 to AN2_7) ≤ V
3.
When analog input voltage is over reference voltage, the result of A/D conversion is 3FFh.
4.
Flash memory rewrite disabled. Except for the analog input pin, set the pins to be measured as input ports and
connect them to V
31.1.4
D/A Conversion Characteristics
Table 31.7
D/A Conversion Characteristics
V
= AV
= V
CC1
CC
REF
Symbol
-
Resolution
-
Absolute Accuracy
t
Setup Time
SU
R
Output Resistance
O
I
Reference Power Supply Input Current
VREF
Notes:
1.
This applies when using one D/A converter, with the D/A register for the unused D/A converter set to 00h.
2.
The current consumption of the A/D converter is not included. Also, the I
if the ADSTBY bit in the ADCON1 register is 0 (A/D operation stopped (standby)).
R01UH0136EJ0210 Rev.2.10
Jul 31, 2012
≥ V
, V
= AV
CC2
REF
SS
Parameter
AN0 to AN7 input,
ANEX0 to ANEX1
input
AN0_0 to AN0_7
input, AN2_0 to
AN2_7 input
(2), (3)
= V
.
CC1
, set as below:
CC2
. See Figure 31.2 "A/D Accuracy Measure Circuit".
SS
= 3.0 to 5.5 V, V
= AV
= 0 V at T
SS
SS
Parameter
(1)
= -20 ° C to 85 ° C/-40 ° C to 85 ° C unless otherwise
= 0 V at T
SS
opr
Measuring Condition
4.0 V ≤
≤ 5.5 V
V
CC1
3.2 V ≤
≤ 4.0 V
V
CC1
3.0 V ≤
≤ 3.2 V
V
CC1
4.0 V ≤
≤ 5.5 V
V
CC2
3.2 V ≤
≤ 4.0 V
V
CC2
3.0 V ≤
≤ 3.2 V
V
CC2
(4)
(4)
(4)
= 5 V, φ AD = 25 MHz
V
CC1
CC1
.
CC2
= -20 ° C to 85 ° C/-40 ° C to 85 ° C unless otherwise specified.
opr
Measuring Condition
1
2
See Notes
and
31. Electrical Characteristics
Standard
Min.
Typ.
Max.
2
25
2
16
2
10
2
25
2
16
2
10
3
±1
±3
±3
1.60
0.60
3.0
V
0
V
Standard
Min.
Typ.
Max.
8
2.5
3
5
6
8.2
1.5
of the D/A converter will flow even
VREF
Page 704 of 800
Unit
MHz
MHz
MHz
MHz
MHz
MHz
k Ω
LSB
LSB
LSB
μ s
μ s
V
CC1
V
REF
Unit
Bits
LSB
μ s
k Ω
mA
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