ad5282bru50z-reel7 Analog Devices, Inc., ad5282bru50z-reel7 Datasheet - Page 12

• Manufacturer Part Number: ad5282bru50z-reel7
• Description: Single/dual, +15 V/?5 V, 256-position, I 2 C-compatible Digital Potentiometer
• Manufacturer: Analog Devices, Inc.

AD5280/AD5282
TEST CIRCUITS
Figure 33 to Figure 43 define the test conditions used in the product specification table.
Figure 33. Potentiometer Divider Nonlinearity Error (INL, DNL)
V
MS2
V+
Figure 36. Power Supply Sensitivity (PSS, PSSR)
Figure 34. Resistor Position Nonlinearity Error
(Rheostat Operation; R-INL, R-DNL)
NO CONNECT
V+
V
DD
Figure 35. Wiper Resistance
DUT
A
B
V
DUT
A
B
A
A
B
W
W
DUT
A
B
W
V
W
W
V+ = V
PSRR (dB) = 20 LOG
PSS (%/%) =
V
I
W
MS1
V+ = V
1LSB = V+/2
= V
R
W
DD
DD
= [V
V
±10%
V
DD
/R
MS
MS
NOMINAL
I
MS1
V
W
ΔV
ΔV
MS
N
MS
DD
–V
%
%
MS2
(
]/I
ΔV
ΔV
W
MS
DD
)
Rev. B | Page 12 of 28
OFFSET
OFFSET
OFFSET
GND
GND
GND
Figure 40. Incremental On Resistance
V
DUT
V
V
Figure 39. Gain vs. Frequency
Figure 38. Noninverting Gain
IN
IN
IN
Figure 37. Inverting Gain
2.5V
B
W
A
DUT
OFFSET
BIAS
OFFSET
BIAS
A
DUT
V
I
SW
SS
R
A
B
DUT
SW
TO V
W
B
W
=
W
OP279
DD
OP279
B
0.1V
I
SW
AD8610
+15V
–15V
5V
5V
0.1V
V
V
V
OUT
OUT
OUT