Datasheet

AD5116 Data Sheet
Rev. B | Page 12 of 16
TEST CIRCUITS
Figure 32 to Figure 37 define the test conditions used in the Specifications section.
09657-030
A
W
B
NC
I
W
DUT
V
MS
NC = NO CONNECT
Figure 32. Resistor Position Nonlinearity Error
(Rheostat Operation: R-INL, R-DNL)
09657-031
A
W
B
DUT
V
MS
V+
V+ = V
DD
1LSB = V+/2
N
Figure 33. Potentiometer Divider Nonlinearity Error (INL, DNL)
09657-032
+
–
DUT
0
.1V
=
0.1V
I
WB
I
WB
W
B
NC = N
O CO
NNEC
T
R
W
A
NC
G
ND TO V
DD
Figure 34. Wiper Resistance
09657-033
A
W
B
V
M
S
~
V
A
V
D
D
V+
V+
=
V
DD
±
10%
ΔV
M S
%
ΔV
DD
%
PSS
(
%
/
%
)
=
PS
RR
(
d
B
) = 20 log
ΔV
MS
ΔV
DD
Figure 35. Power Supply Sensitivity (PSS, PSRR)
09657-034
OFFSET
GND
A
B
DUT
W
+15V
V
IN
V
OUT
OP42
–15V
2.5V
Figure 36. Gain and Phase vs. Frequency
09657-035
DUT
I
C
M
W
B
V
D
D
G
ND
A
V
DD
GND
GND
V
DD
GND
V
DD
Figure 37. Common-Mode Leakage Current