Datasheet

AD5251/AD5252
Rev. B | Page 11 of 28
R
WB
(Ω)
V
BIAS
(V)
03823-0-021
20
0
40
60
80
100
120
140
160
200
240
180
220
10 23456
V
DD
= 2.7V
T
A
= 25°C
V
DD
= 5.5V
T
A
= 25°C
DATA = 0x00
Figure 9. Wiper Resistance vs. V
BIAS
TEMPERATURE (°C)
03823-0-022
–6
–4
–2
0
2
4
6
–40 –20 0 20 40 60 80 100 120
ΔR
WB
(%)
Figure 10. Change of R
WB
vs. Temperature
CODE (Decimal)
03823-0-023
0
50
60
70
20
10
30
40
80
90
0 32 64 96 128 160 192 224 256
RHEOSTAT MODE TEMPCO (ppm/°C)
V
DD
= 5V
T
A
= –40°C/+85°C
V
A
= V
DD
V
B
= 0V
Figure 11. AD5252 Rheostat Mode Tempco ∆R
WB
/∆T vs. Code
CODE (Decimal)
03823-0-024
0
20
25
10
5
15
30
0 32 64 96 128 160 192 224 256
POTENTIOMETER MODE TEMPCO (ppm/°C)
V
DD
= 5V
T
A
= –40°C/+85°C
V
A
= V
DD
V
B
= 0V
Figure 12. AD5252 Potentiometer Mode Tempco ∆V
WB
/∆T vs. Code
–60
–48
–24
–12
0
–36
–54
–30
–18
–6
–42
GAIN (dB)
1k 10k10 100 100k 1M 10M
FREQUENCY (Hz)
03823-0-025
0xFF
0x80
0x40
0x20
0x10
0x08
0x04
0x02
0x01
0x00
Figure 13. AD5252 Gain vs. Frequency vs. Code, R
AB
= 1 kΩ, T
A
= 25°C
–60
–48
–24
–12
0
–36
–54
–30
–18
–6
–42
GAIN (dB)
1k 10k10 100 100k 1M 10M
FREQUENCY (Hz)
03823-0-026
0xFF
0x80
0x40
0x20
0x10
0x08
0x04
0x02
0x01
0x00
Figure 14. AD5252 Gain vs. Frequency vs. Code, R
AB
= 10 kΩ , T
A
= 25°C
Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.