EVAL-AD5292EBZ Analog Devices Inc, EVAL-AD5292EBZ Datasheet - Page 21

• Manufacturer Part Number: EVAL-AD5292EBZ
• Description: EVALUATION BOARD
• Manufacturer: Analog Devices Inc

Specifications of EVAL-AD5292EBZ

• Main Purpose: Digital Potentiometer
• Embedded: Yes
• Utilized Ic / Part: AD5292
• Primary Attributes: 1 Channel, 256 Position
• Secondary Attributes: SPI Interface
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TEST CIRCUITS
Figure 58 to Figure 63 define the test conditions used in the Specifications section.
Figure 59. Potentiometer Divider Nonlinearity Error
Figure 58. Resistor Position Nonlinearity Error
DUT
A = NC
V+
B
(Rheostat Operation; R-INL, R-DNL)
W
Figure 60. Wiper Resistance
NC
A
B
DUT
I
WB
B
A
DUT
W
V
NC = NO CONNECT
CODE = 0x00
SS
W
(INL, DNL)
TO V
DD
V
MS
V+ = V
1LSB = V+/2
+
–
I
W
V
R
0.1V
R
DD
MS
WB
W
=
=
0.1V
R
N
I
WB
WB
2
Rev. D | Page 21 of 32
OFFSET
V+
GND
~
V
DUT
V
Figure 61. Power Supply Sensitivity (PSS, PSRR)
DD
V
SS
V
DD
Figure 63. Common-Mode Leakage Current
NC
NC
IN
GND
+15V
+15V
V
A
A
B
Figure 62. Gain vs. Frequency
W
A
B
DUT
–15V
–15V
2.5V
W
V
GND
GND
MS
A
B
W
I
CM
NC = NO CONNECT
V+ = V
PSRR (dB) = 20 log
PSS (%/%) =
OP42
AD5291/AD5292
+15V
–15V
DD
GND
GND
± 10%
∆V
∆V
MS
DD
+15V
–15V
%
%
∆V
∆V
V
OUT
MS
DD