EVAL-AD5232SDZ Analog Devices, EVAL-AD5232SDZ Datasheet - Page 12

• Manufacturer Part Number: EVAL-AD5232SDZ
• Description: Digital Potentiometer Development Tools EVALUATION BOARD
• Manufacturer: Analog Devices
• Series: AD5232r

Specifications of EVAL-AD5232SDZ

• Rohs: yes
• Product: Evaluation Boards
• Tool Is For Evaluation Of: AD5232
• Resistance: 10 kOhms/50 kOhms/100 kOhms
• Operating Supply Voltage: 2.7 V
• Interface Type: SPI
• Maximum Operating Temperature: + 85 C
• Factory Pack Quantity: 1
• For Use With: Sim DAC Web Tool

AD5232
TEST CIRCUITS
Figure 22 to Figure 32 define the test conditions that are used in the Specifications section.
Figure 22. Resistor Position Nonlinearity Error (Rheostat Operation; R-INL, R-DNL)
Figure 23. Potentiometer Divider Nonlinearity Error (INL, DNL)
V+
V
~
MS2
Figure 25. Power Supply Sensitivity (PSS, PSRR)
V
DD
V
V+
A
B
A
W
Figure 24. Wiper Resistance
A
B
DUT
NC
A
B
DUT
W
V
W
A
B
DUT
MS
NC = NO CONNECT
V
W
W
V
MS1
V+ = V
PSS (%/%) =
PSRR (dB) = 20 LOG
V
MS
V+ = V
1LSB = V+/2
I
W
R
I
W
DD
= V
W
= [V
DD
V
± 10%
DD
MS
/R
MS1
∆V
∆V
NOMINAL
N
MS
DD
– V
%
%
MS2
(
∆V
∆V
]/I
W
MS
DD
)
Rev. B | Page 12 of 24
OFFSET
OFFSET
GND
OFFSET
GND
GND
V
IN
Figure 29. Incremental On Resistance
DUT
A = NC
V
A
B
IN
Figure 28. Gain vs. Frequency
Figure 27. Noninverting Gain
W
OFFSET BIAS
Figure 26. Inverting Gain
V
A
DUT
IN
OFFSET BIAS
2.5V
DUT
A
I
A
B
SW
W
DUT
W
V
B
CODE = 0x00
W
SS
R
TO V
SW
OP279
B
=
OP279
DD
0.1V
I
SW
5V
5V
OP42
+15V
–15V
+
–
0.1V
Data Sheet
V
OUT
V
OUT
V
OUT