DS3903 Maxim Integrated Products, DS3903 Datasheet - Page 5

• Manufacturer Part Number: DS3903
• Description: DS3903 Triple 128-Position Nonvolatile Digital Potentiometer
• Manufacturer: Maxim Integrated Products

(V
CC
-0.01
-0.02
-0.03
-0.04
-0.05
-0.06
0.04
0.03
0.02
0.01
350
300
250
200
150
100
50
0
0
= 5.0V, 10kΩ plots apply to both pot0 and pot2, T
-40
0
FROM 25°C vs. TEMPERATURE (10k
VOLTAGE-DIVIDER PERCENT CHANGE
WIPER = 40h
WIPER = 60h
-30 -20
vs. WIPER VOLTAGE (10k
1
WIPER = 20h
-10 0 10 20 30 40
WIPER RESISTANCE
Tc = 1.9ppm/°C
WIPER VOLTAGE (V)
TEMPERATURE (°C)
Tc = 5.0ppm/°C
2
0.05
0.04
0.03
0.02
0.01
Tc = 0.7ppm/°C
0
VOLTAGE-DIVIDER RELATIVE LINEARITY
3
0
V
POS 7Fh
CC
vs. WIPER SETTING (10k
20
50 60
4
= 3V
Ω
40
)
70
WIPER SETTING
5
Ω
80
)
60
_____________________________________________________________________
80
Triple 128-Position Nonvolatile
350
300
250
200
150
100
-0.2
-0.4
-0.6
-0.8
-1.0
1.0
0.8
0.6
0.4
0.2
50
Typical Operating Characteristics (continued)
0
END-TO-END RESISTANCE PERCENT CHANGE
0
100
Ω
-40
0
FROM 25°C vs. TEMPERATURE (10k
)
-30 -20
A
120
vs. WIPER VOLTAGE (90k
= +25°C unless otherwise noted.)
1
-10 0 10 20 30 40
WIPER RESISTANCE
WIPER VOLTAGE (V)
TEMPERATURE (°C)
2
3
0.20
0.16
0.12
0.08
0.04
0
V
POS 7Fh
Digital Potentiometer
CC
VOLTAGE-DIVIDER ABSOLUTE LINEARITY
0
50 60
4
= 3V
Ω
vs. WIPER SETTING (10k
20
)
70
5
Ω
80
40
)
WIPER SETTING
60
-0.02
-0.04
-0.06
0.12
0.10
0.08
0.06
0.04
0.02
-0.2
-0.4
-0.6
-0.8
-1.0
1.0
0.8
0.6
0.4
0.2
80
END-TO-END RESISTANCE PERCENT CHANGE
0
0
-40
-40
FROM 25°C vs. TEMPERATURE (10k
FROM 25°C vs. TEMPERATURE (90k
VOLTAGE-DIVIDER PERCENT CHANGE
WIPER = 60h
-30 -20
-30 -20
100
Ω
)
-10 0 10 20 30 40
120
Tc = 3.7ppm/°C
-10 0 10 20 30 40
TEMPERATURE (°C)
TEMPERATURE (°C)
Tc = 18.0ppm/°C
WIPER = 20h
Tc = 1.5ppm/°C
WIPER = 40h
50 60
50 60
70
70
Ω
Ω
80
80
)
)
5