Datasheet

Rev. 2.00 Sep. 28, 2009 Page xvii of xl
REJ09B0452-0200
Item Page Revision (See Manual for Details)
22.4.3 Input Sampling
and A/D Conversion
Time
Table 22.5 A/D
Conversion Time (Scan
Mode)
738 Table amended
CKS1 CKS0
1 0
1
1
22.7.2 Permissible
Signal Source
Impedance
Figure 22.5 Example of
Analog Input Circuit
741 Figure amended
A/D converter equivalent circuit
This LSI
20 pF
C
in
=
10 pF
10 kΩ
Up to 5 kΩ
Low-pass
filter C
Up to 0.1 µF
Sensor output
impedance
Sensor input
22.7.6 Notes on Noise
Countermeasures
Figure 22.6 Example of
Analog Input Protection
Circuit
743 Figure amended
*
1
*
1
R
in
*
2
100 Ω
0.1 µF
Figure 22.7 Analog
Input Pin Equivalent
Circuit
744 Figure amended
20 pF
To A/D converterAN0 to AN15
10 k
Ω