EVAL-AD5270SDZ Analog Devices Inc, EVAL-AD5270SDZ Datasheet - Page 17

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EVAL-AD5270SDZ

Manufacturer Part Number
EVAL-AD5270SDZ
Description
EVALUATION BOARD
Manufacturer
Analog Devices Inc
Datasheet

Specifications of EVAL-AD5270SDZ

Main Purpose
Digital Potentiometer
Embedded
No
Utilized Ic / Part
AD5270
Primary Attributes
1 Channel, 1024 Position
Secondary Attributes
2.7 ~ 5.5 V, 5 ppm/°C, SPI Interfaces
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
TEST CIRCUITS
Figure 39 to Figure 43 define the test conditions used in the Specifications section.
V+
Figure 41. Power Supply Sensitivity (PSS, PSRR)
V
Figure 39. Resistor Position Nonlinearity Error
DD
(Rheostat Operation; R-INL, R-DNL)
A
DUT
DUT
A
W
Figure 40. Wiper Resistance
A
W
CODE = 0x00
W
V
MS
V
MS
I
W
V
MS
I
W
PSS (%/%) =
V+ = V
PSRR (dB) = 20 LOG
I
R
W
R
WA
W
=
=
DD
R
V
I
MS
W
WA
2
±10%
∆V
∆V
MS
DD
%
%
V
V
MS
DD
Rev. E | Page 17 of 24
NC
+2.75V
Figure 43. Common Leakage Current
DUT
A
Figure 42. Gain vs. Frequency
DUT
–2.75V
A
W
W
GND
I
CM
NC = NO CONNECT
V
MS
1GΩ
GND
GND
AD5270/AD5271
V
+2.75V
–2.75V

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