AD5263EVAL Analog Devices Inc, AD5263EVAL Datasheet - Page 13

• Manufacturer Part Number: AD5263EVAL
• Description: BOARD EVAL FOR AD5263
• Manufacturer: Analog Devices Inc

Specifications of AD5263EVAL

• Rohs Status: RoHS non-compliant
• Main Purpose: Digital Potentiometer
• Embedded: No
• Utilized Ic / Part: AD5263
• Primary Attributes: 4 Channel, 256 Position
• Secondary Attributes: I²C & SPI Interfaces
• Lead Free Status / Rohs Status: Not Compliant

TEST CIRCUITS
Figure 29 to Figure 39 define the test conditions used in the product specification table.
Figure 29. Test Circuit for Potentiometer Divider Nonlinearity Error (INL, DNL)
Figure 32. Test Circuit for Power Supply Sensitivity (PSS, PSRR)
Figure 30. Test Circuit for Resistor Position Nonlinearity Error
V
MS2
V+
Figure 31. Test Circuit for Wiper Resistance
V
NO CONNECT
DD
(Rheostat Operation; R-INL, R-DNL)
V+
A
B
DUT
V
A
A
B
W
DUT
A
B
W
W
DUT
A
B
V
W
W
V
MS1
V+ = V
1LSB = V+/2
I
V+ = V
PSRR (dB) = 20 log
PSS (%/%) =
W
V
MS
= V
R
V
DD
DD
MS
DD
W
= [V
/R
V
10%
I
NOMINAL
MS
W
N
MS1
ΔV
ΔV
– V
MS
DD
%
%
MS2
ΔV
ΔV
]/ I
W
MS
DD
Rev. B | Page 13 of 28
OFFSET
Figure 36. Test Circuit for Incremental On Resistance
OFFSET
GND
OFFSET
GND
Figure 34. Test Circuit for Noninverting Gain
Figure 35. Test Circuit for Gain vs. Frequency
Figure 33. Test Circuit for Inverting Gain
V
GND
IN
2.5V
V
DUT
IN
B
W
V
A
IN
DUT
OFFSET
BIAS
OFFSET
BIAS
DUT
A
I
SW
B
A
DUT
V
SS
R
CODE = 0x00
B
W
SW
W
TO V
W
=
B
OP279
OP279
0.1V
DD
I
SW
5V
AD8610
5V
+15V
–15V
0.1V
V
V
OUT
OUT
V
OUT
AD5263