EVAL-AD5262EBZ Analog Devices Inc, EVAL-AD5262EBZ Datasheet - Page 14
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EVAL-AD5262EBZ
Manufacturer Part Number
EVAL-AD5262EBZ
Description
EVALUATION BOARD
Manufacturer
Analog Devices Inc
Datasheet
1.AD5260BRUZ200.pdf
(24 pages)
Specifications of EVAL-AD5262EBZ
Main Purpose
Digital Potentiometer
Utilized Ic / Part
AD5262
Primary Attributes
Dual Channel, 256 Positions
Secondary Attributes
SPI Interface
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Embedded
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
AD5260/AD5262
TEST CIRCUITS
Figure 38 to Figure 46 define the test conditions used in Table 1.
V+
Figure 38. Potentiometer Divider Nonlinearity Error (INL, DNL)
V
OFFSET
MS2
GND
Figure 41. Power Supply Sensitivity (PSS, PSSR)
V
Figure 39. Resistor Position Nonlinearity Error
DD
V
IN
V
(Rheostat Operation; R-INL, R-DNL)
A
A
B
V+
NC
DUT
A
B
Figure 42. Gain vs. Frequency
Figure 40. Wiper Resistance
W
A
DUT
B
W
DUT
W
A
B
DUT
NC = NO CONNECT
B
A
V
W
W
V
W
V
MS1
I
MS
PSRR (dB) = 20 log
PSS (%/%) =
V+ = V
1LSB = V+/2
W
V+ = V
= V
V
MS
AD8610
DD
R
DD
DD
W
/R
I
+13V
–13V
W
= (V
± 10%
NOMINAL
V
MS
N
∆V
∆V
MS1
MS
DD
– V
%
%
(
MS2
∆V
∆V
V
)/I
MS
DD
OUT
W
)
Rev. A | Page 14 of 24
Figure 45. V
Figure 44. Common-Mode Leakage Current
V
DUT
V
V
DIGITAL INPUT
DD
SS
IN
Figure 43. Incremental On Resistance
VOLTAGE
A = NC
CLK
GND
DUT
SDI
CS
B
Figure 46. Analog Crosstalk
NC
LOGIC
W
C
NC = NO CONNECT
TA
NC
NC
RDAC1
Current vs. Digital Input Voltage
A1
= 20 log (V
W1
A
B
I
V
W
B1
W
V
LOGIC
SS
CODE = 0x00
R
W
TO V
V
V
SS
DD
OUT
=
DD
0.1V
RDAC2
I
I
/V
W
CM
I
IN
LOGIC
W2
B2
)
A2
0.1V
V
OUT
V
CM