Datasheet

AD5241/AD5242
Rev. C | Page 8 of 20
TYPICAL PERFORMANCE CHARACTERISTICS
CODE (Decimal)
1.0
0.5
0
–0.5
–1.0
RHEOSTAT MODE DIFFERENTIAL
NONLINEARITY (LSB)
256
2241921601289664320
V
DD
/V
SS
= +2.7V/0V
V
DD
/V
SS
= +5.5V/0V, ±2.7V
V
DD
= +2.7V
V
DD
= +5.5V
V
DD
= ±2.7V
0
0926-008
Figure 8. RDNL vs. Code
CODE (Decimal)
1.0
0.5
0
–0.5
–1.0
2241921601289664320
256
V
DD
/V
SS
= +2.7V/0V
V
DD
/V
SS
= +5.5V/0V, ±2.7V
V
DD
= +2.7V
V
DD
= +5.5V
V
DD
= ±2.7V
RHEOSTAT MODE INTEGRAL
NONLINEARITY (LSB)
0
0926-009
Figure 9. RINL vs. Code
CODE (Decimal)
0.25
0.13
0
–0.13
–0.25
POTENTIOMETER MODE
DIFFERENTIAL NONLINEARITY (LSB)
256
2241921601289664320
V
DD
= +2.7V
V
DD
= +5.5V
V
DD
= ±2.7V
V
DD
/V
SS
= +2.7V/0V, +5.5V/0V, ±2.7V
00926-010
Figure 10. DNL vs. Code
CODE (Decimal)
0.50
0.25
0
–0.25
–0.50
POTENTIOMETER MODE
INTEGRAL NONLINEARITY (LSB)
256
224
160
128
64320196 92
V
DD
/V
SS
= +2.7V
V
DD
/V
SS
= +2.7V/0V, +5.5V/0V
V
DD
= +2.7V
V
DD
= +5.5V
V
DD
= ±2.7V
00926-011
Figure 11. INL vs. Code
10k
100
1
NOMINAL RESISTANCE (kΩ)
806040200–20–40
TEMPERATURE (°C)
V
DD
= 2.7V
T
A
= 25°C
10
1k
10kΩ
100kΩ
1MΩ
00926-012
Figure 12. Nominal Resistance vs. Temperature
10k
1k
100
10
1
I
DD
SUPPLY CURRENT (
µ
A)
54321
0
INPUT LOGIC VOLTAGE (V)
V
DD
= 2.5V
V
DD
= 3V
V
DD
= 5V
00926-013
Figure 13. Supply Current vs. Input Logic Voltage