Datasheet

PERCENT OF NOMINAL
END-TO-END RESISTANCE – % R
AB
100
75
0
0
32 128
R
WB
64 96
50
25
CODE – Decimal
R
WA
Figure 3. Wiper-To-End Terminal Resistance vs. Code
I
WA
CURRENT – mA
0
3F
H
R
AB
= 10kV
V
DD
= 5V
T
A
= 258C
234567
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
01
V
WB
VOLTAGE – V
08
H
02
H
05
H
10
H
20
H
Figure 4. Resistance Linearity vs. Conduction Current
180
90
WIPER RESISTANCE – V
FREQUENCY
0
40
30
41 42 47 48 50 51 53 54 6044 45 56 57 59
60
120
150
SS = 600 UNITS
V
DD
= 2.7V
T
A
= 258C
Figure 5. Wiper Contact Resistance
AD5222– Typical Performance Characteristics
–4–
REV. 0
CODE – Decimal
0.25
–0.25
0 12816
R-DNL ERROR – LSB
32 48 64 80 96 112
0.20
0.05
–0.05
–0.15
–0.20
0.15
0.10
0
–0.10
T
A
= +258C
T
A
= +858C
T
A
= –558C
V
DD
= +15V
V
SS
= –15V
R
AB
= 50kV
Figure 6. R-DNL Relative Resistance Step Position
Change vs. Code
CODE – Decimal
1.0
–1.0
0 12816
R-INL ERROR – LSB
32 48 64 80 96 112
0.8
0.2
–0.2
–0.6
–0.8
0.6
0.4
0
–0.4
V
DD
/V
SS
= 2.7V/0V
T
A
= 258C
50kV VERSION
100kV VERSION
1MV VERSION
10kV VERSION
Figure 7. R-INL Resistance Nonlinearity Error vs. Code
CODE – Decimal
–1.0
0 12816
INL
– LSB
32 48 64 80 96 112
0.2
–0.2
–0.6
–0.8
0.6
0.4
0
–0.4
V
DD
/V
SS
= 2.7V/0V
T
A
= 258C
50kV VERSION
100kV VERSION
1MV VERSION
10kV VERSION
Figure 8. Potentiometer Divider INL Error vs. Code