AD5252 データシートの表示（PDF） - Analog Devices
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AD5252 Datasheet PDF : 28 Pages
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Data Sheet
240
220
200
180
160
140
120
100
80
60
40
20
0
0
VDD = 2.7V
TA = 25C
DATA = 0x00
VDD = 5.5V
TA = 25C
1
2
3
4
5
6
VBIAS (V)
Figure 9. Wiper Resistance vs. VBIAS
AD5251/AD5252
50
45
VDD = 5V
TA = –40°C TO +85°C
40
VA = VDD
VB = 0V
35
30
25
20
15
100kΩ
10kΩ
10
5
50kΩ
0
0
32
64
96 128 160 192 224 256
CODE (Decimal)
Figure 12. AD5252 Potentiometer Mode Tempco ∆VWB/∆T vs. Code
6
4
2
0
–2
–4
–6
–40 –20
0
20
40
60
80 100 120
TEMPERATURE (C)
Figure 10. Change of RWB vs. Temperature
0
0xFF
–6
0x40
0x80
–12
0x20
–18
0x10
–24
–30
–36
0x08 0x04
0x02
–42
0x01 0x00
–48
–54
–60
10
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
Figure 13. AD5252 Gain vs. Frequency vs. Code, RAB = 1 kΩ, TA = 25°C
1000
950
VDD = 5V
900
TA = –40°C TO +85°C
VA = VDD
850
VB = 0V
800
10kΩ
750
700
650
50kΩ
100kΩ
600
550
500
0
32
64
96 128 160 192 224 256
CODE (Decimal)
Figure 11. AD5252 Rheostat Mode Tempco ∆RWB/∆T vs. Code
0
0xFF
–6
0x80
–12
0x40
–18
0x20
–24
0x10
–30
0x08
–36
0x04
–42
0x01
–48
0x00
–54
0x02
–60
10
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
Figure 14. AD5252 Gain vs. Frequency vs. Code, RAB = 10 kΩ , TA = 25°C
Rev. D | Page 11 of 28
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