EVAL-AD5143DBZ Analog Devices, EVAL-AD5143DBZ Datasheet - Page 18

• Manufacturer Part Number: EVAL-AD5143DBZ
• Description: Digital Potentiometer Development Tools EVALUATION BOARD I.C.
• Manufacturer: Analog Devices
• Series: AD5143r

Specifications of EVAL-AD5143DBZ

• Rohs: yes
• Product: Evaluation Boards
• Tool Is For Evaluation Of: AD5143
• Resistance: 10 kOhms/100 kOhms
• Operating Supply Voltage: 5.5 V
• Interface Type: I2C
• Maximum Operating Temperature: + 125 C
• Factory Pack Quantity: 1

AD5123/AD5143
TEST CIRCUITS
Figure 31 to Figure 35 define the test conditions used in the Specifications section.
Figure 31. Resistor Integral Nonlinearity Error (Rheostat Operation; R-INL, R-DNL)
Figure 32. Potentiometer Divider Nonlinearity Error (INL, DNL)
NC = NO CONNECT
V+
A
B
DUT
NC = NO CONNECT
W
Figure 33. Wiper Resistance
NC
A
B
DUT
V
A
B
W
DUT
W
W
V
MS1
V
I
W
MS
V+ = V
1LSB = V+/2
R
= V
W
I
W
DD
= V
V
DD
MS
/R
MS1
NOMINAL
/I
N
W
Rev. A | Page 18 of 28
V+
~
V
DD
Power Supply Rejection Ratio (PSS, PSRR)
Figure 34. Power Supply Sensitivity and
V
Figure 35. Incremental On Resistance
A
B
A
DUT
A = NC
B
W
W
V
MS
I
SW
V
CODE = 0x00
SS
R
TO V
SW
PSS (%/%) =
V+ = V
PSRR (dB) = 20 LOG
=
DD
0.1V
I
SW
DD
+
–
±10%
0.1V
ΔV
ΔV
MS %
DD %
Data Sheet
(
Δ
ΔV
V
MS
DD
)