Datasheet

AD5260/AD5262
Rev. A | Page 14 of 24
TEST CIRCUITS
Figure 38 to Figure 46 define the test conditions used in Table 1.
V
MS
A
W
B
DUT
V
+ = V
DD
1LSB = V+/2
N
V+
02695-039
Figure 38. Potentiometer Divider Nonlinearity Error (INL, DNL)
NC
I
W
V
MS
A
W
B
DUT
NC = NO CONNECT
02695-040
Figure 39. Resistor Position Nonlinearity Error
(Rheostat Operation; R-INL, R-DNL)
I
W
= V
DD
/R
NOMINAL
V
MS2
V
W
V
MS1
R
W
= (V
MS1
– V
MS2
)/I
W
A
W
B
DUT
02695-041
Figure 40. Wiper Resistance
PSS (%/%) =
V+ = V
DD
± 10%
PSRR (dB) = 20 log
∆V
MS
∆V
DD
∆V
MS
%
∆V
DD
%
()
V
DD
V
A
V
MS
A
W
B
V+
02695-042
Figure 41. Power Supply Sensitivity (PSS, PSSR)
+13V
–13V
W
A
B
V
OUT
OFFSET
GND
DUT
AD8610
V
IN
0
2695-043
Figure 42. Gain vs. Frequency
W
B
V
SS
TO V
DD
DUT
CODE = 0x00
R
W
=
0.1V
I
W
I
W
0.1V
A = NC
02695-044
Figure 43. Incremental On Resistance
W
B
I
CM
A
NC
GND
NC
V
SS
V
CM
V
DD
DUT
02695-045
Figure 44. Common-Mode Leakage Current
SDI
CLK
CS
V
LOGIC
I
LOGIC
DIGITAL INPUT
VOLTAGE
02695-046
Figure 45. V
LOGIC
Current vs. Digital Input Voltage
A1
RDAC1 RDAC2
W1
NC
B1
A2
W2
B2
C
TA
= 20 log (V
OUT
/V
IN
)
NC = NO CONNECT
V
IN
V
OUT
V
SS
V
DD
02695-047
Figure 46. Analog Crosstalk