Datasheet

Data Sheet AD5231
Rev. D | Page 9 of 28
TYPICAL PERFORMANCE CHARACTERISTICS
CODE (Decimal)
0
INL ERROR (LSB)
1.5
0
–1.0
1.0
0.5
256 512
768
1024
–0.5
128 384
640 896
T
A
= +85°C
T
A
= +25°C
T
A
= –40°C
02739-006
Figure 6. INL vs. Code, T
A
= −40°C, +25°C, +85°C Overlay, R
AB
= 10 kΩ
CODE (Decimal)
DNL ERROR (LSB)
0
–2.0
2.0
1.0
–1.0
0 256
512 768
1024128 384 640
896
–0.5
1.5
0.5
–1.5
V
DD
= 5V, V
SS
= 0V
T
A
= +85°C
T
A
= +25°C
T
A
= –40°C
02739-007
Figure 7. DNL vs. Code, T
A
= −40°C, +25°C, +85°C Overlay, R
AB
= 10 kΩ
CODE (Decimal)
R-INL (LSB)
0
–1.0
1.0
0.5
–0.5
0 256 512 768 1024128
384 640 896
T
A
= +85°C
T
A
= +25°C
T
A
= –40°C
V
DD
= 5V, V
SS
= 0V
02739-008
Figure 8. R-INL vs. Code, T
A
= −40°C, +25°C, +85°C Overlay, R
AB
= 10 kΩ
CODE (Decimal)
0
128
256
384
512
640 768 896 1024
2.0
1.5
1.0
0.5
0
–2.0
–1.5
–1.0
–0.5
R-DNL (LSB)
V
DD
= 5V, V
SS
= 0V
T
A
= +85°C
T
A
= +25°C
T
A
= –40°C
02739-009
Figure 9. R-DNL vs. Code, T
A
= −40°C, +25°C, +85°C Overlay, R
AB
= 10 kΩ
CODE (Decimal)
RHEOSTAT MODE TEMPCO (ppm/°C)
3000
0 256 512 768 1024128 384 640 896
2500
2000
1500
1000
500
0
V
DD
= 5.5V, V
SS
= 0V
T
A
= –40°C TO +85°C
02739-010
Figure 10. (∆R
WB
/R
WB
)/∆T × 10
6
CODE (Decimal)
POTENTIOMETER MODE TEMPCO (ppm/°C)
100
0 256 512 768 1024128 384 640 896
80
60
40
20
0
–20
V
DD
= 5.5V, V
SS
= 0V
T
A
= –40°C TO +85°C
V
B
= 0V
V
A
= 2.00V
02739-011
Figure 11. (∆V
W
/V
W
)/∆T × 10
6