EVAL-AD5160EBZ Analog Devices Inc, EVAL-AD5160EBZ Datasheet - Page 12

• Manufacturer Part Number: EVAL-AD5160EBZ
• Description: EVALUATION BOARD
• Manufacturer: Analog Devices Inc

Specifications of EVAL-AD5160EBZ

• Main Purpose: Digital Potentiometer
• Embedded: No
• Utilized Ic / Part: AD5160
• Primary Attributes: 1 Channel, 256 Position
• Secondary Attributes: SPI Interface
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AD5160
TEST CIRCUITS
Figure 28 to Figure 36 illustrate the test circuits that define the test conditions used in the product specification tables.
Figure 28. Test Circuit for Potentiometer Divider Nonlinearity Error (INL, DNL)
Figure 31. Test Circuit for Power Supply Sensitivity (PSS, PSSR)
Figure 29. Test Circuit for Resistor Position Nonlinearity Error
V
V+
MS2
OFFSET
GND
Figure 30. Test Circuit for Wiper Resistance
V
DD
Figure 32. Test Circuit for Inverting Gain
V+
(Rheostat Operation; R-INL, R-DNL)
NO CONNECT
V
A
A
B
A
DUT
B
V
IN
W
W
DUT
A
B
A
A
B
DUT
W
OFFSET
BIAS
W
DUT
V
W
V
B
W
MS1
V
MS
PSRR (dB) = 20 LOG
PSS (%/%) =
V+ = V
I
W
OP279
= V
V+ = V
1LSB = V+/2
V
R
5V
MS
V
DD
DD
W
MS
= [V
/ R
DD
I
10%
W
NOMINAL
MS1
ΔV
ΔV
N
MS
DD
– V
V
%
%
OUT
MS2
(
ΔV
ΔV
]/I
MS
DD
W
)
Rev. B | Page 12 of 16
Figure 36. Test Circuit for Common-Mode Leakage Current
OFFSET
Figure 35. Test Circuit for Incremental On Resistance
GND
OFFSET
Figure 34. Test Circuit for Gain vs. Frequency
Figure 33. Test Circuit for Noninverting Gain
V
V
GND
V
DD
SS
IN
2.5V
DUT
GND
DUT
B
V
IN
W
DUT
OFFSET
BIAS
NC
NC
A
A
B
B
I
A
SW
DUT
W
NC = NO CONNECT
V
SS
W
CODE = 0x00
R
W
SW
TO V
B
=
OP279
0.1V
DD
I
I
SW
5V
AD8610
CM
–15V
+15V
0.1V
V
V
OUT
CM
V
OUT