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AD8402AR100 데이터시트(PDF) 8 Page - Analog Devices

부품명 AD8402AR100
상세설명  1-/2-/4-Channel Digital Potentiometers
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제조업체  AD [Analog Devices]
홈페이지  http://www.analog.com
Logo AD - Analog Devices

AD8402AR100 데이터시트(HTML) 8 Page - Analog Devices

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CODE – Decimal
10
8
0
0
32
256
64
96
128
160
192
224
6
4
2
VDD = +3V OR +5V
RWB
RWA
Figure 2. Wiper to End Terminal
Resistance vs. Code
DIGITAL INPUT CODE – Decimal
1
0.5
–1
0
32
256
64
96
128
160
192
224
0
–0.5
VDD = +5V
TA = –40°C
TA = +25°C
TA = +85°C
Figure 5. Resistance Step Position
Nonlinearity Error vs. Code
DIGITAL INPUT CODE – Decimal
1
0.5
–1
0
32
256
64
96
128
160
192
224
0
–0.5
TA = –40°C
TA = +25°C
TA = +85°C
VDD = +5V
Figure 8. Potentiometer Divider
Nonlinearity Error vs. Code
AD8400/AD8402/AD8403–Typical Performance Characteristics
IWA CURRENT – mA
5
4
0
07
14
5
3
2
1
23
6
80H
40H
20H
FFH
CODE = 10H
TA = +25°C
VDD = +5V
05H
Figure 3. Resistance Linearity vs.
Conduction Current
WIPER RESISTANCE –
60
48
0
40.0 42.5
65.0
45.0 47.5 50.0 52.5 55.0 57.5 60.0 62.5
36
24
12
SS = 1205 UNITS
VDD = 4.5V
TA = +25°C
Figure 6. 10 k
Ω Wiper-Contact-
Resistance Histogram
WIPER RESISTANCE –
60
48
0
35
37
55
39
41
43
45
47
49
51
53
36
24
12
SS = 184 UNITS
VDD = 4.5V
TA = +25°C
Figure 9. 50 k
Ω Wiper-Contact-
Resistance Histogram
WIPER RESISTANCE –
60
48
0
40.0 42.5
65.0
45.0 47.5 50.0 52.5 55.0 57.5 60.0 62.5
36
24
12
SS = 184 UNITS
VDD = 4.5V
TA = +25°C
Figure 4. 100 k
Ω Wiper-Contact-
Resistance Histogram
TEMPERATURE –
°C
10
8
0
–75
–50
125
–25
0
25
50
75
100
6
4
2
RAB (END-TO-END)
RWB (WIPER-TO-END)
CODE = 80H
Figure 7. Nominal Resistance vs.
Temperature
CODE – DECIMAL
70
60
–10
0
32
160
64
96
128
30
20
10
0
50
40
192 224 256
VDD = +5V
TA = –40°C/+85°C
VA = 2.00V
VB = 0V
Figure 10.
VWB / T Potentiometer
Mode Tempco
–8–
REV. B


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