AD8402ANZ10 Analog Devices, AD8402ANZ10 Datasheet - Page 19
AD8402ANZ10
Manufacturer Part Number
AD8402ANZ10
Description
Digital Potentiometer 256POS 10KOhm Dual 14-Pin PDIP N
Manufacturer
Analog Devices
Datasheet
1.AD8402ANZ10.pdf
(32 pages)
- Current page: 19 of 32
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TEST CIRCUITS
Figure 37. Potentiometer Divider Nonlinearity Error (INL, DNL)
V
V+
MS2
~
Figure 40. Power Supply Sensitivity (PSS, PSRR)
Figure 38. Resistor Position Nonlinearity Error
V
DD
V+
(Rheostat Operations; R-INL, R-DNL)
B
V
A
NO CONNECT
A
W
A
DUT
B
Figure 39. Wiper Resistance
W
DUT
DUT
A
B
A
B
V
MS
W
W
V
W
V
MS1
V
MS
V+ = V
PSRR (dB) = 20LOG
PSS (%/%) =
I
W
V+ = V
1LSB = V+/256
= V
V
I
R
W
MS
DD
DD
W
DD
= [V
/R
± 10%
NOMINAL
MS1
ΔV
ΔV
MS
DD
– V
%
%
MS2
(
ΔV
ΔV
]/I
MS
DD
W
)
Rev. E | Page 19 of 32
OFFSET
OFFSET
OFFSET
GND
Figure 42. Noninverting Programmable Gain
GND
GND
Figure 41. Inverting Programmable Gain
Figure 44. Incremental On Resistance
V
IN
DUT
Figure 43. Gain vs. Frequency
~
B
W
A
~
DUT
V IN
AD8400/AD8402/AD8403
V
2.5V
2.5V DC
2.5V
IN
DUT
I
~
SW
B
A
A
CODE =
W
W
R
V
DUT
SW
BIAS
W
B
=
OP279
OP279
OP42
0.1V
B
I
SW
–15V
+15V
+
–
H
0.1V
A = NC
5V
5V
V
V
OUT
OUT
V
OUT
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