Data Sheet

AD5241/AD5242
Rev. C | Page 9 of 20
0.1
0.01
0.001
SHUTDOWN CURRENT
(
µ
A)
80
6040
20
0
–20
–40
TEMPERATURE (°C)
R
AB
= 10k Ω
V
DD
= 5.5V
0
0926-014
Figure 14. Shutdown Current vs. Temperature
100kΩ VERSION
CODE (Decimal)
1289664320
70
60
20
0
–30
50
40
30
10
–10
–20
10kΩ VERSION
10MΩ VERSION
160 192 224 256
V
DD
/V
SS
= 2.7V/0V
T
A
= 25°C
POTENTIOMETER MODE TEMPCO (ppm/°C)
0
0926-015
Figure 15. ΔV
WB
/ΔT Potentiometer Mode Temperature Coefficient
CODE (Decimal)
120
100
20
–20
–80
RHEOSTAT MODE TEMPCO (p
pm/°C)
256
224
192
160128
9664320
80
60
40
0
–40
–60
10kΩ VERSION
10MΩ VERSION
100kΩ VERSION
V
DD
/V
SS
= 2.7V/0V
T
A
= 25°C
00926-016
Figure 16. ΔR
WB
/ΔT Rheostat Mode Temperature Coefficient
T
A
= 25°C
COMMON-MODE (V)
100
90
50
30
WIPER RESISTANCE (Ω)
543210–1–2–3
80
70
60
40
20
10
V
DD
/V
SS
= +2.7V/0V
6
V
DD
/V
SS
= ±2.7V/0V
V
DD
/V
SS
= +5.5V/0V
00926-017
Figure 17. Incremental Wiper Contact vs. V
DD
/V
SS
FREQUENCY (kHz)
300
100
50
0
I
DD
SUPPLY CURRENT (µA)
1k100
10
150
200
250
E
B
C
A
D
F
A: V
DD
/V
SS
= 5.5V/0V
CODE = 0xFF
B: V
DD
/V
SS
= 3.3V/0V
CODE = 0xFF
C: V
DD
/V
SS
= 2.5V/0V
CODE = 0xFF
D: V
DD
/V
SS
= 5.5V/0V
CODE = 0x55
E: V
DD
/V
SS
= 3.3V/0V
CODE = 0x55
F: V
DD
/V
SS
= 2.5V/0V
CODE = 0x55
00926-018
Figure 18. Supply Current vs. Frequency
FREQUENCY (Hz)
6
–36
–42
–48
–54
GAIN (dB)
1M
100k10k1k
100
–30
–24
–18
–12
–6
0
0xFF
0x80
0x40
0x20
0x10
0x08
0x04
0x02
0x01
00926-019
Figure 19. AD5242 10 k Ω Gain vs. Frequency vs. Code