![](/html/ADI/189423/page16.png)
+2.5V
GND
–2.5V
RF1
RS*
RG1
51
VOCM AD8138
C*
RG2
RS*
C*
RF2
3.75V
2.5V
1.25V
VIN+
AD7452
VIN–
VREF
3.75V
2.5V
1.25V
*MOUNT AS CLOSE TO THE AD7452 AS POSSIBLE
AND ENSURE HIGH PRECISION Rs AND Cs ARE USED.
RS–50 ; C–1nF
RG1 = RF1 = RF2 = 499 ; RG2 = 523
EXTERNAL
VREF (2.5V)