Datasheet

Data Sheet AD5111/AD5113/AD5115
Rev. | Page 17 of 24
TEST CIRCUITS
Figure 36 to Figure 41 define the test conditions used in the Specifications section.
A
W
B
NC
I
W
DUT
V
MS
NC = NO CONNECT
09654-037
Figure 36. Resistor Position Nonlinearity Error
(Rheostat Operation: R-INL, R-DNL)
A
W
B
DUT
V
MS
V+
V
+=
V
DD
1LSB = V+/2
N
09654-038
Figure 37. Potentiometer Divider Nonlinearity Error (INL, DNL)
09654-039
+
–
DUT
0.1V
=
0.1V
I
WB
I
WB
W
B
NC = NO CONNECT
R
W
A
NC
GND TO V
DD
Figure 38. Wiper Resistance
A
W
B
V
MS
~
V
A
V
DD
V+
V+=V
DD
± 10%
∆V
MS
%
∆V
DD
%
PSS (%/%) =
PSRR (dB) = 20 log
∆V
MS
∆V
DD
09654-040
Figure 39. Power Supply Sensitivity (PSS, PSRR)
OFFSET
GND
A
B
DUT
W
+15
V
V
IN
V
OUT
AD8652
–15V
2.5V
09654-041
Figure 40. Gain and Phase vs. Frequency
09654-042
DUT
I
CM
W
B
V
DD
GND
A
V
DD
GND
GND
V
DD
GND
V
DD
Figure 41. Common-Mode Leakage Current
A