Datasheet

Data Sheet AD5270/AD5271
Rev. F | Page 17 of 24
TEST CIRCUITS
Figure 39 to Figure 43 define the test conditions used in the Specifications section.
V
MS
I
W
A
W
DUT
08077-033
Figure 39. Resistor Position Nonlinearity Error
(Rheostat Operation; R-INL, R-DNL)
08077-034
R
WA
=
V
MS
I W
R
W
=
R
WA
2
A
W
I
W
DUT
V
MS
CODE = 0x00
Figure 40. Wiper Resistance
V
DD
I
W
V
MS
A
W
V+
ΔV
MS
%
ΔV
DD
%
V
MS
V
DD
V+ = V
DD
±10%
PSRR (dB) = 20 LOG
PSS (%/%) =
08077-035
Figure 41. Power Supply Sensitivity (PSS, PSRR)
V
MS
A
W
DUT
V
1GΩ
08077-036
Figure 42. Gain vs. Frequency
I
CM
DUT
W
A
NC = NO CONNECT
GND
+2.75V
NC
+2.75V –2.75V
–2.75V
GND
GND
08077-037
Figure 43. Common Leakage Current