EVAL-ADN2850-25EBZ Analog Devices Inc, EVAL-ADN2850-25EBZ Datasheet - Page 12

• Manufacturer Part Number: EVAL-ADN2850-25EBZ
• Description: BOARD EVALUATION FOR ADN2850-25
• Manufacturer: Analog Devices Inc

Specifications of EVAL-ADN2850-25EBZ

• Main Purpose: Digital Potentiometer
• Utilized Ic / Part: ADN2850-35
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Secondary Attributes: -
• Embedded: -
• Primary Attributes: -
• Lead Free Status / Rohs Status: Supplier Unconfirmed

ADN2850
TEST CIRCUITS
Figure 20 to Figure 24 define the test conditions used in the Specifications section.
Figure 20. Resistor Position Nonlinearity Error (Rheostat Operation; R-INL, R-DNL)
V+
~
CODE = Mid Scale
V
DD
Figure 18. I
B
Figure 22. Power Supply Sensitivity (PSS, PSRR)
B
W
W
DD
V
Figure 21. Wiper Resistance
B
DUT
W
vs. Time when Storing Data to EEMEM
CLK (5V/DIV)
SDI (5V/DIV)
CS (5V/DIV)
V
V
W
MS1
MS
I
W
= V
I
W
DD
R
= V
PSS (%/%) =
V+ = V
PSRR (dB) = 20 LOG
/(R
V
W
MS
DD
= V
NOMINAL
/R
I
MS1
DD
W
NOMINAL
I
DD
±10%
/I
W
/ 2)
(2mA/DIV)
∆V
∆V
MS %
DD %
V
T
A
DD
(
= 25°C
∆V
∆V
= 5V
MS
DD
)
Rev. C | Page 12 of 28
0.01
100
0.1
10
1
0
128
Figure 24. Common-Mode Leakage Current
V
DUT
V
DUT
DD
SS
B
Figure 23. Incremental On Resistance
GND
W
256
Figure 19. I
NC
I
384
SW
B
NC = NO CONNECT
CODE (Decimal)
W
V
R
SS
WB
WB_MAX
R
512
TO V
= 25kΩ
SW
R
vs. Code
=
WB
DD
I
CM
0.1V
I
640
SW
= 250kΩ
V
CM
+
–
0.1V
768
T
A
= 25°C
896
1023