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*1
*1
Notes: 1. Numeric values are approximate.
10 µF
2. R
: input impedance
in
Figure 15.7 Example of Analog Input Protection Circuit
Table 15.5 Analog Input Pin Ratings
Item
Analog input capacitance
Allowable signal-source impedance
= 4.0 V to 5.5 V and φ ≤ 12 MHz.For details, refer to section 21, Electrical
Note: * When V
CC
Characteristics.
100 Ω
R
in *2
0.1 µF
0.01 µF
10 kΩ
AN
to AN
0
7
Note: Numeric values are approximate.
Figure 15.8 Analog Input Pin Equivalent Circuit
AV
CC
V
REF
AN
to AN
0
7
AV
SS
Min
Max
—
20
10 *
—
To A/D converter
20 pF
Rev. 3.00 Mar 21, 2006 page 537 of 814
Section 15 A/D Converter
Unit
pF
kΩ
REJ09B0302-0300
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