AD5203 Analog Devices, AD5203 Datasheet - Page 8

• Manufacturer Part Number: AD5203
• Description: 8-Bit Dual Nonvolatile Memory Digital Potentiometer
• Manufacturer: Analog Devices

AD5203
Figure 27. Resistor Position Nonlinearity Error (Rheostat
Operation; R-INL, R-DNL)
Figure 26. Potentiometer Divider Nonlinearity Error Test
Circuit (INL, DNL)
V+
Figure 29. Power Supply Sensitivity Test Circuit (PSS,
PSRR)
I
MS
V+
Figure 28. Wiper Resistance Test Circuit
~
A
DUT
B
V
W
–Parametric Test Circuits
DD
V
V
A
A
B
W
V+
V
W
I
NO CONNECT
W
MS
=
1V/R
A
B
DUT
A
B
DUT
NOMINAL
W
W
V
MS
V+ = V
V
AND V
PSRR (dB) = 20 LOG
PSS (%/%) = –––––––
R
WHERE V
V+
V+ = V
1LSB = V+/64
MS
W
V
= ––––––––––––––––––––––––––
MS
I
W
DD
V
W2
V
DD
W2
DD
± 10%
= V
W1
– [V
MS
= V
W1
V
V
WHEN I
MS
MS
DD
+ I
%
%
WHEN I
I
W
W
(
(R
–––––
W
V
V
AW
= 1/R
MS
DD
W
II R
= 0
)
BW
)]
–8–
Figure 31. Noninverting Programmable Gain Test Circuit
Figure 30. Inverting Programmable Gain Test Circuit
Figure 33. Incremental ON Resistance Test Circuit
OFFSET
Figure 32. Gain vs. Frequency Test Circuit
OFFSET
GND
OFFSET
GND
GND
V
IN
~
DUT
B
V
W
IN
2.5V
V
DUT
~
IN
A
2.5V
I
SW
~
A
2.5V DC
DUT
A
B
R
CODE = ØØ
DUT
SW
W
W
W
B
=
B
0.1V
OP279
I
SW
OP279
+5V
H
+5V
OP42
+15V
–15V
0 TO V
0.1V
DD
V
OUT
V
OUT
V
OUT
REV. 0