Datasheet

AD5246 Data Sheet
Rev. C | Page 8 of 16
TYPICAL PERFORMANCE CHARACTERISTICS
CODE (Decimal)
RHEOSTAT MODE INL (LSB)
0
–1.0
0
0.2
1.0
16 32 48 64 80 96 112 128
–0.8
–0.6
–0.4
–0.2
0.4
0.6
0.8
V
DD
= 2.7V
V
DD
= 5.5V
T
A
= 25° C
R
AB
= 10kΩ
RHEOSTAT MODE INL (LSB)
03875-020
Figure 3. R-INL vs. Code vs. Supply Voltages
CODE (Decimal)
RHEOSTAT MODE DNL (LSB)
0
–0.5
–0.4
–0.3
–0.2
16 32 48
64 80 96 112 128
–0.1
0
0.1
0.2
0.3
0.4
0.5
V
DD
= 2.7V
V
DD
= 5.5V
T
A
= 25° C
R
AB
= 10kΩ
03875-021
Figure 4. R-DNL vs. Code vs. Supply Voltages
CODE (Decimal)
RHEOSTAT MODE INL (LSB)
0
–1.0
–0.8
–0.6
–0.4
16 32 48
–0.2
0
0.2
0.4
0.6
0.8
1.0
64 80 96 112 128
T
A
= –40°
C
T
A
= +25° C
T
A
= +85° C
T
A
= +125° C
T
A
= –40°
C
T
A
= +85° C
T
A
= +25° C
T
A
= +125° C
03875-022
Figure 5. R-INL vs. Code vs. Temperature
CODE (Decimal)
RHEOSTAT MODE DNL (LSB)
0
–0.5
–0.4
–0.3
–0.2
16 32 48
–0.1
0
0.1
0.2
0.3
0.4
0.5
64 80 96 112
128
T
A
= –40°
C, +25°
C,
+85° C,
+125° C
–40°
C
+25°
C
+85° C
+125° C
V
DD
= 2.7V
R
AB
= 10kΩ
03875-023
Figure 6. R-DNL vs. Code vs. Temperature
TEMPERATURE (°
C )
RHEOSTAT MODE INL (LSB)
–40
–3.0
–0.5
0
–25 –10 5
20 35 50 65 80
–2.5
–2.0
–1.5
–1.0
FSE, FULL-SCALE ERROR (LSB)
95 110 125
V
DD
= 5.5V, V
A
= 5.5V
V
DD
= 2.7V, V
A
= 2.7V
03875-024
Figure 7. Full-Scale Error vs. Temperature
TEMPERATURE ( °C )
ZSE, ZERO-SCALE ERROR (LSB)
–40
0
0.25
0.50
0.75
–25 –10 5
1.00
1.25
1.50
20 35 50 65 80 95 110 125
V
DD
= 5.5V, V
A
= 5.5V
V
DD
= 2.7V, V
A
= 2.7V
03875-025
Figure 8. Zero-Scale Error vs. Temperature