Datasheet

AD5259 Data Sheet
Rev. C | Page 10 of 24
400
–600
–500
–400
–
300
–
200
–100
0
100
200
300
0 256224
192
160
128
966432
05026-019
CODE (Decimal)
RHEOSTAT MODE TEMPCO (ppm/°C)
5kΩ
10k
Ω
50kΩ
100k
Ω
Figure 18. Rheostat Mode Tempco (ΔR
AB
x 10
6
)/(R
AB
x ΔT) vs. Code
70
–40
–30
–20
–
10
0
10
20
30
40
50
60
0
256224192
1601289664
32
05026-018
CODE (Decimal)
POTENTIOMETER MODE TEMPCO (ppm/°C)
10kΩ
50kΩ
5kΩ
100kΩ
Figure 19. Potentiometer Mode Tempco (ΔV
W
x 10
6
)/(V
W
x ΔT) vs. Code
350
0
50
100
150
200
250
300
–40 –20 806040200
05026-022
TEMPERATURE (°C)
R
WB
@ 0x00
R
WB
@ V
DD
= 5.5V
R
WB
@ V
DD
= 2.7V
Figure 20. R
WB
vs. Temperature
120
100
80
60
40
20
0
–40 –20 80
60
4020
0
05026-025
TEMPERATURE (°
C)
TOTAL RESISTANCE (kΩ)
100kΩ Rt @ V
DD
= 5.5V
50kΩ Rt @ V
DD
= 5.5V
10k
Ω Rt @ V
DD
= 5.5V
5k
Ω Rt @ V
DD
= 5.5V
Figure 21. Total Resistance vs. Temperature
05026-026
80
H
40
H
20
H
10
H
08
H
04
H
02
H
01
H
1k 10M
1M100k10k
–60
–54
–48
–42
–
36
–30
–24
–18
–12
–
6
0
FREQUENCY (Hz)
GAIN (dB)
Figure 22. Gain vs. Frequency vs. Code, R
AB
= 5 kΩ
1k 10M1M100k10k
05026-027
80
H
40
H
20
H
10
H
08
H
04
H
02
H
01
H
–60
–54
–48
–42
–36
–30
–24
–18
–12
–6
0
FREQUENCY (Hz)
GAIN (dB)
Figure 23. Gain vs. Frequency vs. Code, R
AB
= 10 kΩ