AD5241/AD5242
TYPICAL PERFORMANCE CHARACTERISTICS
1.0
0.50
V
DD
= +2.7V
V
DD
= +5.5V
V
DD
= ±2.7V
POTENTIOMETER MODE
INTEGRAL NONLINEARITY (LSB)
V
DD
= +2.7V
V
DD
= +5.5V
V
DD
= ±2.7V
RHEOSTAT MODE DIFFERENTIAL
NONLINEARITY (LSB)
0.5
0.25
V
DD
/V
SS
= +2.7V/0V
0
V
DD
/V
SS
= +2.7V
0
V
DD
/V
SS
= +2.7V/0V, +5.5V/0V
–0.25
–0.5
V
DD
/V
SS
= +5.5V/0V, ±2.7V
00926-008
0
32
64
96
128
160
192
224
256
0
32
64
96
128
160
1 92
224
256
CODE (Decimal)
CODE (Decimal)
Figure 8. RDNL vs. Code
1.0
Figure 11. INL vs. Code
10k
V
DD
/V
SS
= +2.7V/0V
RHEOSTAT MODE INTEGRAL
NONLINEARITY (LSB)
0.5
V
DD
= +2.7V
V
DD
= +5.5V
V
DD
= ±2.7V
NOMINAL RESISTANCE (kΩ)
V
DD
= 2.7V
T
A
= 25°C
1MΩ
1k
0
100kΩ
100
V
DD
/V
SS
= +5.5V/0V, ±2.7V
–0.5
10
10kΩ
0
32
64
96
128
160
192
224
256
00926-009
–20
0
CODE (Decimal)
20
40
TEMPERATURE (°C)
60
80
Figure 9. RINL vs. Code
0.25
Figure 12. Nominal Resistance vs. Temperature
10k
POTENTIOMETER MODE
DIFFERENTIAL NONLINEARITY (LSB)
V
DD
= +2.7V
V
DD
= +5.5V
V
DD
= ±2.7V
I
DD
SUPPLY CURRENT (
µA)
0.13
V
DD
/V
SS
= +2.7V/0V, +5.5V/0V, ±2.7V
1k
V
DD
= 5V
0
100
V
DD
= 3V
–0.13
10
V
DD
= 2.5V
00926-010
0
32
64
96
128
160
CODE (Decimal)
192
224
256
0
1
2
3
INPUT LOGIC VOLTAGE (V)
4
5
Figure 10. DNL vs. Code
Figure 13. Supply Current vs. Input Logic Voltage
Rev. C | Page 8 of 20
00926-013
–0.25
1
00926-012
–1.0
1
–40
00926-011
–1.0
–0.50
AD [ ANALOG DEVICES ]
