
Specifications are subject to change without notice.
11.b-10 Specifications, Plotted Data
967692 IOtech 640 and 650 Series
Figure XVII. 640 CMRR
640 CMRR
Common Mode Voltage = 6V RMS
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
1 10 100 1,000 10,000 100,000
Frequency
CMRR (dB)
Ch 2 AC
Ch 1 DC
coupled
Ch 2 DC coupled
Ch 1 AC
Figure XVIII. 650 CMRR
650 Typical CMRR
Common Mode Voltage = 6V RMS
-120
-100
-80
-60
-40
-20
0
1 10 100 1,000 10,000 100,000
Frequency
CMRR (dB)
thin line & hollow symbol is DC coupled
thick line solid symbol is AC coupled
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