L-Card ADC Series User Manual page 55

X1 (X2-X16, Y1-Y16)
AGND
X1 (X2 -X16)
AGND
6.1.1.3. Voltage divisor.
Mode "with common ground"
R1
X1 (X2-X16, Y1-Y16)
R2
It is necessary that R1 or R2 should not be more than 50 ohms if the switching frequency is maximal.
6.1.1.5. Integrating circuit.
Mode "with common ground"
R1
The transmission coefficient of the voltage in the frequency band is R2/(R1+R2).
If multichannel mode, it is necessary that 1/F
then 1/F
ADC
It is necessary that R2 should not be more than 50 ohms if the switching frequency is maximal.
Forbidden to connect in this way!:
E-502
E-502
E-502
GND32
AGND
The voltage transfer ratio is R2/(R1+R2).
R2 should be located close to E-502 input.
X1 (X2-X16, Y1-Y16)
С
R2
E-502
GND32
AGND
-10
>> R1*(C+10 )/R1, where F
R2, C should be located close to E-502 input.
X1 (X2-X16, Y1-Y16)
GND32
Y1 (Y2 -Y16)
E-502
AGND
6.1.1.4. Voltage divisor.
"Differential" mode
6.1.1.6. Integrating circuit.
"Differential" mode
>> R1*R2*(C+10
ADC
is the ADC conversion frequency.
ADC
X1 (X2 -X16)
E-502
Y1 (Y2 -Y16)
R1
X1 (X2 -X16)
R2
Y1 (Y2 -Y16)
AGND
R1
X1 (X2 -X16)
С
R2
Y1 (Y2 -Y16)
AGND
-10
)/(R1+R2), or if R2 is not present,
E-502
E-502
E-502