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11
Unselected channel
GND - 0.7V or less
Selected channel
Sensor input
Figure 11.4.3 Example of an Inflow Current Bypass Circuit where GND – 0.7 V or Less is Applied
Table 11.4.1 Accuracy Errors (Actual Performance Values) when Current is Injected into AD0IN0
Analog input pin
AD0IN0
AD0IN1
Injection
10mA
0
current
(Note 1)
9mA
0
8mA
0
7mA
0
6mA
0
5mA
0
4mA
0
3mA
0
2mA
0
1mA
0
0mA
0
-1mA
0
-2mA
-1
-3mA
-1
-4mA
-1
-5mA
-2
-6mA
-3
-7mA
-3
-8mA
-3
-9mA
-4
-10mA
-5
Note 1: The conversion accuracy is not affected unless the injection current is greater than 1 mA.
Leakage current
generated
OFF
Leakage current
ON
Accuracy error on overcurrent injected ports (Unit: LSB)
AD0IN2
AD0IN3
AD0IN4
AD0IN5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-1
0
0
0
-1
0
0
0
-1
0
0
0
-1
0
0
0
-1
0
0
0
-1
0
0
0
11.4 Inflow Current Bypass Circuit
OFF
generated
ON
Unaffected by
leakage
ON
OFF
Assist circuit
AD0IN6
AD0IN7
AD0IN8
AD0IN9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
11-42
A-D Converters
To the internal logic
of the A-D Converter
AD0IN10
AD0IN11
AD0IN12
AD0IN13
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
32180 Group User's Manual (Rev.1.0)
AD0IN14
AD0IN15
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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