Datasheet

AD5110/AD5112/AD5114 Data Sheet
Rev. B | Page 18 of 28
TEST CIRCUITS
Figure 35 to Figure 40 define the test conditions used in the Specifications section.
A
W
B
NC
I
W
DUT
V
MS
NC = NO CONNECT
09582-035
Figure 35. Resistor Position Nonlinearity Error
(Rheostat Operation: R-INL, R-DNL)
A
W
B
DUT
V
MS
V+
V+ = V
DD
1LSB = V+/2
N
09582-036
Figure 36. Potentiometer Divider Nonlinearity Error (INL, DNL)
+
–
DUT
0.1V
=
0.1V
I
WB
I
WB
W
B
NC = NO CONNECT
R
W
A
NC
GND TO V
DD
09582-037
Figure 37. Wiper Resistance
A
W
B
V
M
S
~
V
A
V
D
D
V+
V+
=
V
D
D
±
10
%
ΔV
M
S
%
ΔV
DD
%
PSS (%/%) =
PS
RR
(
d
B
)
=
20
lo
g
ΔV
MS
Δ
V
D
D
09582-038
Figure 38. Power Supply Sensitivity (PSS, PSRR)
OFFSET
GND
A
B
DUT
W
+15V
V
IN
V
OUT
AD8652
–15V
2.5V
09582-039
Figure 39. Gain and Phase vs. Frequency
DUT
I
CM
W
B
V
DD
GND
A
V
DD
GND
GND
V
DD
GND
V
DD
09582-040
Figure 40. Common-Mode Leakage Current