AD5245EVAL Analog Devices Inc, AD5245EVAL Datasheet - Page 12

• Manufacturer Part Number: AD5245EVAL
• Description: BOARD EVAL FOR AD5245
• Manufacturer: Analog Devices Inc
• Type: Digital Potentiometerr

Specifications of AD5245EVAL

• Rohs Status: RoHS non-compliant
• Contents: Evaluation Board
• For Use With/related Products: AD5245

AD5245
TEST CIRCUITS
Figure 28 to Figure 34 illustrate the test circuits that define the test conditions used in the product specification tables (Table 1 through Table 3).
Figure 28. Test Circuit for Potentiometer Divider Nonlinearity Error
V+
Figure 31. Test Circuit for Power Supply Sensitivity (PSS, PSSR)
Figure 29. Test Circuit for Resistor Position Nonlinearity Error
V
MS2
V
DD
Figure 30. Test Circuit for Wiper Resistance
NO CONNECT
V+
V
(Rheostat Operation; R-INL, R-DNL)
A
A
B
A
B
W
DUT
A W
B
W
DUT
A
B
DUT
W
(INL, DNL)
V
W
V
V
MS1
MS
PSRR (dB) = 20 log
PSS (%/%) =
V+ = V
I
W
= V
V
V+ = V
1LSB = V+/2
R
MS
DD
DD
V
W
MS
/R
= [V
I
±10%
W
DD
NOMINAL
MS1
∆V
∆V
MS
DD
N
– V
%
%
(
MS2
∆V
∆V
]/I
MS
DD
W
)
Rev. B | Page 12 of 20
Figure 34. Test Circuit for Common-Mode Leakage Current
OFFSET
Figure 33. Test Circuit for Incremental On Resistance
GND
Figure 32. Test Circuit for Gain vs. Frequency
V
V
DD
IN
2.5V
DUT
GND
DUT
B
W
NC
NC
A
B
A
B
I
SW
GND TO V
W
DUT
NC = NO CONNECT
W
R
CODE = 0x00
SW
=
0.1V
DD
I
SW
I
CM
+15V
–15V
0.1V
AD8610
V
CM
V
OUT