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PCI30FG User Manual
Eagle Technology © Copyright 2002 13
V0
V15
AGND
CH15
CH0
Figure 3-1 Single ended analog input
Differential Inputs
In differential input mode two multiplexer switches per channel are used. The
A/D converter measures the difference in potential between the two channels.
Channels are paired to form a single differential input. Channel 0 and channel
8 is used as channel 0, channels 1 and 9 etc. To connect see diagram below.
It is also very important to know that each return connection must be
referenced to analog ground.
V0
V7
AGND
CH7 RET
CH0 RET
CH7
CH0
Figure 3-2 Differential Analog Inputs