Data Sheet
TYPICAL PERFORMANCE CHARACTERISTICS
2.00
1.75
1.50
1.25
1.00
V
DD
= 2.7V
V
SS
= 0V
AD5232
2000
V
DD
= 5V
T
A
= –40°C/+85°C
V
A
= NO CONNECT
R
WB
MEASURED
RHEOSTAT MODE TEMPCO (ppm/°C)
02618-005
INL ERROR (LSB)
0.75
0.50
0.25
0
–0.25
–0.50
–0.75
–1.00
–1.25
–1.50
–1.75
–2.00
0
INL T
A
= –40°C
1500
INL T
A
= +25°C
1000
INL T
A
= +85°C
500
64
128
DIGITAL CODE
192
256
0
32
64
96
128
160
CODE (Decimal)
192
224
256
Figure 5. INL vs. Code; T
A
= −40°C, +25°C, +85°C Overlay
2.00
1.75
1.50
1.25
1.00
0.75
0.50
0.25
0
–0.25
–0.50
–0.75
–1.00
–1.25
–1.50
–1.75
–2.00
0
64
128
DIGITAL CODE
192
256
Figure 8. ΔR
WB
/ΔT vs. Code; R
AB
= 10 kΩ, V
DD
= 5 V
70
POTENTIOMETER MODE TEMPCO (ppm/°C)
V
DD
= 2.7V
V
SS
= 0V
60
50
40
30
20
10
0
V
DD
= 5V
T
A
= –40°C/+85°C
V
A
= 2V
V
B
= 0V
DNL ERROR (LSB)
DNL T
A
= –40°C
DNL T
A
= +25°C
DNL T
A
= +85°C
02618-006
0
32
64
96
128
160
CODE (Decimal)
192
224
256
Figure 6. DNL vs. Code; T
A
= −40°C, +25°C, +85°C Overlay
0.20
0.15
0.10
V
DD
= 5.5V
V
SS
= 0V
T
A
= 25°C
Figure 9. ΔV
WB
/ΔT vs. Code; R
AB
= 10 kΩ, V
DD
= 5 V
1
V
DD
= +2.5V
V
SS
= –2.5V
V
CM
= 0V
R-DNL (LSB)
0.05
0
–0.05
0.1
I
CM
(µA)
0.01
–0.10
–0.15
02618-007
02618-010
–0.20
0
32
64
96
128
160
CODE (Decimal)
192
224
256
0.001
–50
–35
–20
–5
10
25
40
55
70
85
TEMPERATURE (°C)
Figure 7. R-DNL vs. Code; R
AB
= 10 kΩ, 50 kΩ, 100 kΩ Overlay
Figure 10. I
CM
vs. Temperature (See Figure 30)
Rev. C | Page 9 of 24
02618-009
–10
02618-008
0
AD [ ANALOG DEVICES ]
