參數(shù)資料
型號(hào): DS3903
元件分類(lèi): 數(shù)字電位計(jì)
英文描述: Triple 128-Position Nonvolatile Digital Potentiometer
中文描述: 三路、128抽頭、非易失數(shù)字電位器
文件頁(yè)數(shù): 5/11頁(yè)
文件大小: 619K
代理商: DS3903
D
Triple 128-Position Nonvolatile
Digital Potentiometer
_____________________________________________________________________
5
END-TO-END RESISTANCE PERCENT CHANGE
FROM 25
°
C vs. TEMPERATURE (90k
)
1.0
D
TEMPERATURE (
°
C)
%
80
70
50 60
-10 0 10 20 30 40
-30 -20
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
-0.8
-1.0
-40
END-TO-END RESISTANCE PERCENT CHANGE
FROM 25
°
C vs. TEMPERATURE (10k
)
1.0
D
TEMPERATURE (
°
C)
%
80
70
50 60
-10 0 10 20 30 40
-30 -20
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
-0.8
-1.0
-40
VOLTAGE-DIVIDER PERCENT CHANGE
FROM 25
°
C vs. TEMPERATURE (10k
)
D
TEMPERATURE (
°
C)
%
°
C
80
70
50 60
-10 0 10 20 30 40
-30 -20
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
-0.05
-0.06
-40
WIPER = 60h
WIPER = 20h
Tc = 1.9ppm/
°
C
Tc = 0.7ppm/
°
C
WIPER = 40h
Tc = 5.0ppm/
°
C
VOLTAGE-DIVIDER PERCENT CHANGE
FROM 25
°
C vs. TEMPERATURE (10k
)
D
TEMPERATURE (
°
C)
%
°
C
80
70
50 60
-10 0 10 20 30 40
-30 -20
-0.04
-0.02
0
0.02
0.04
0.06
0.08
0.10
0.12
-0.06
-40
WIPER = 60h
WIPER = 20h
Tc = 18.0ppm/
°
C
Tc = 3.7ppm/
°
C
WIPER = 40h
Tc = 1.5ppm/
°
C
WIPER RESISTANCE
vs. WIPER VOLTAGE (90k
)
D
WIPER VOLTAGE (V)
W
)
3
4
5
2
1
50
100
150
200
250
300
350
0
0
V
CC
= 3V
POS 7Fh
WIPER RESISTANCE
vs. WIPER VOLTAGE (10k
)
D
WIPER VOLTAGE (V)
W
)
3
4
5
2
1
50
100
150
200
250
300
350
0
0
V
CC
= 3V
POS 7Fh
Typical Operating Characteristics (continued)
(V
CC
= 5.0V, 10k
plots apply to both pot0 and pot2, T
A
= +25°C unless otherwise noted.)
VOLTAGE-DIVIDER ABSOLUTE LINEARITY
vs. WIPER SETTING (10k
)
D
WIPER SETTING
A
100
80
60
40
20
0.04
0.08
0.12
0.16
0.20
0
0
120
VOLTAGE-DIVIDER RELATIVE LINEARITY
vs. WIPER SETTING (10k
)
D
WIPER SETTING
R
100
80
60
40
20
0.01
0.02
0.03
0.04
0.05
0
0
120
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