AD5172EVAL Analog Devices Inc, AD5172EVAL Datasheet - Page 14
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AD5172EVAL
Manufacturer Part Number
AD5172EVAL
Description
BOARD EVAL FOR AD5172
Manufacturer
Analog Devices Inc
Datasheet
1.AD5172BRMZ2.5.pdf
(24 pages)
Specifications of AD5172EVAL
Rohs Status
RoHS non-compliant
AD5172/AD5173
TEST CIRCUITS
Figure 31 to Figure 38 illustrate the test circuits that define the test conditions used in the product specification tables (see Table 1 and Table 2).
Figure 32. Resistor Position Nonlinearity Error (Rheostat Operation: R-INL, R-DNL)
Figure 31. Potentiometer Divider Nonlinearity Error (INL, DNL)
V
V+
MS2
Figure 34. Power Supply Sensitivity (PSS, PSSR)
V
DD
V+
V
NC = NO CONNECT
A
NC
A
B
A
DUT
B
DUT
A
B
DUT
Figure 33. Wiper Resistance
W
W
A
DUT
B
W
W
V
W
V
MS1
V
MS
PSRR (dB) = 20 log
PSS (%/%) =
V+ = V
I
W
V
1LSB = V+/2
V+ = V
MS
= V
V
R
MS
DD
DD
W
I
W
= [V
DD
/R
± 10%
NOMINAL
MS1
Δ
ΔV
N
V
MS
DD
– V
%
%
MS2
(
ΔV
ΔV
]/I
MS
DD
W
)
Rev. H | Page 14 of 24
OFFSET
GND
V
Figure 35. Test Circuit for Gain vs. Frequency
Figure 37. Common-Mode Leakage Current
IN
V
IN
Figure 36. Incremental On Resistance
NC = NO CONNECT
2.5V
DUT
V
B
DD
Figure 38. Analog Crosstalk
NC
CTA = 20 log[V
NC = NO CONNECT
DUT
GND
W1
RDAC1
A1
W
I
SW
GND TO V
A
B
NC
NC
B1
DUT
A
B
R
CODE = 0x00
SW
W
W
V
V
=
DD
SS
DD
0.1V
OUT
I
SW
I
V
CM
AD8610
CM
RDAC2
/V
+5V
–5V
IN
W2
A2
B2
0.1V
]
V
OUT
V
OUT