Datasheet

Data Sheet AD5246
Rev. C | Page 11 of 16
TEST CIRCUITS
Figure 21 to Figure 25 define the test conditions used in the product Specification tables.
I
W
V
MS
W
B
DUT
03875-004
Figure 21. Test Circuit for Resistor Position Nonlinearity Error
(Rheostat Operation; R-INL, R-DNL)
∆V
MS
%
DD
%
PSS (%/%) =
V+ = V
DD
10%
PSRR (dB) = 20 LOG
DUT
MS
DD
( )
V
DD
V
MS
W
B
V+
∆V
∆V
∆V
±
03875-009
Figure 22. Test Circuit for Power Supply Sensitivity (PSS, PSSR)
W
10kΩ
10kΩ
2.5V
B
+15V
–15V
V
OUT
OP27
DUT
V
IN
03875-010
Figure 23. Test Circuit for Gain vs. Frequency
03875-040
W
B
V
DD
TO GND
DUT
I
SW
CODE = 0x00
R
SW
=
0.1V
I
SW
0.1V
Figure 24. Test Circuit for Incremental On Resistance
W
B
NO CONNECT
I
CM
V
CM
DUT
03875-012
Figure 25. Test Circuit for Common-Mode Leakage Current