AD8402AN1 데이터 시트보기 (PDF) - Analog Devices
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AD8402AN1 Datasheet PDF : 32 Pages
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AD8400/AD8402/AD8403
TYPICAL PERFORMANCE CHARACTERISTICS
10
VDD = 3V OR 5V
RAB = 10kΩ
8
6
4
2
RWB
RWA
0
0
32
64
96 128 160 192 224 256
CODE (Decimal)
Figure 9. Wiper to End Terminal Resistance vs. Code
5
80H
FFH
4
40H
20H
3
CODE = 10H
2
1
05H
TA = 25°C
VDD = 5V
0
0
1
2
3
4
5
6
7
IWB CURRENT (mA)
Figure 10. Resistance Linearity vs. Conduction Current
1.0
VDD = 5V
0.5
TA = +85°C
0
TA = –40°C
TA = +25°C
–0.5
–1.0
0
32
64
96
128 160 192 224 256
DIGITAL INPUT CODE (Decimal)
Figure 11. Resistance Step Position Nonlinearity Error vs. Code
60
SS = 1205 UNITS
VDD = 4.5V
48 TA = 25°C
36
24
12
0
40.0 42.5 45.0 47.5 50.0 52.5 55.0 57.5 60.0 62.5 65.0
WIPER RESISTANCE (Ω)
Figure 12. 10 kΩ Wiper-Contact-Resistance Histogram
1.0
VDD = 5V
0.5
TA = +25°C
TA = –40°C
0
–0.5
TA = +85°C
–1.0
0
32
64
96 128 160 192 224 256
DIGITAL INPUT CODE (Decimal)
Figure 13. Potentiometer Divider Nonlinearity Error vs. Code
60
SS = 184 UNITS
VDD = 4.5V
TA = 25°C
48
36
24
12
0
35 37 39 41 43 45 47 49 51 53 55
WIPER RESISTANCE (Ω)
Figure 14. 50 kΩ Wiper-Contact-Resistance Histogram
Rev. E | Page 14 of 32
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