AD5112 AD [Analog Devices], AD5112 Datasheet - Page 17

• Manufacturer Part Number: AD5112
• Manufacturer: AD [Analog Devices]

Data Sheet
TEST CIRCUITS
Figure 36 to Figure 41 define the test conditions used in the Specifications section.
Figure 37. Potentiometer Divider Nonlinearity Error (INL, DNL)
Figure 36. Resistor Position Nonlinearity Error
NC = NO CONNECT
V+
(Rheostat Operation: R-INL, R-DNL)
NC
A
B
Figure 38. Wiper Resistance
NC
DUT
W
B
DUT
A
A
B
DUT
W
NC = NO CONNECT
W
I
WB
GND TO V
V
MS
V+ = V
1LSB = V+/2
DD
I
W
V
R
DD
MS
W
+
–
=
0.1V
N
0.1V
I
WB
Rev. 0 | Page 17 of 24
V+
OFFSET
GND
~
V
Figure 39. Power Supply Sensitivity (PSS, PSRR)
DD
V
Figure 41. Common-Mode Leakage Current
IN
Figure 40. Gain and Phase vs. Frequency
V
GND
DD
V
V
V
A
DD
B
A
DD
DUT
W
DUT
2.5V
AD5111/AD5113/AD5115
B
V
A
MS
A
B
W
GND
GND
W
AD8652
PSRR (dB) = 20 log
PSS (%/%) =
V+ = V
I
CM
DD
+15V
–15V
± 10%
∆V
∆V
GND
V
DD
MS
DD
%
%
∆V
∆V
V
MS
DD
OUT