Datasheet

DS3906
Triple NV Low Step Size Variable
Resistor Plus Memory
4 _____________________________________________________________________
Typical Operating Characteristics
(V
CC
= +5.0V, T
A
= +25°C, unless otherwise noted.)
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
DS3906 toc01
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (µA)
4.70
5.203.70 4.20
3.20
20
40
60
80
100
120
140
160
180
200
0
2.70
SUPPLY CURRENT
vs. TEMPERATURE
DS3906 toc02
TEMPERATURE (
°
C)
SUPPLY CURRENT (µA)
603510-15
20
40
60
80
100
120
140
160
180
0
-40 85
V
CC
= 5V
V
CC
= 3.3V
SDA/SCL = V
CC
ADDRESS PINS
CONNECTED TO GND
SUPPLY CURRENT
vs. SCL FREQUENCY
DS3902 toc03
SCL FREQUENCY (kHz)
SUPPLY CURRENT (µA)
350300200 250100 15050
20
40
60
80
100
120
140
160
180
200
0
0400
V
CC
= SDA = 5V
ADDRESS PINS
CONNECTED TO GND
RESISTORS (R
0,1
)
vs. RESISTOR SETTING
DS3906 toc04
RESISTOR SETTING (dec)
RESISTORS (R
0,1
) (Ω)
60
40
50
10 20
30
500
1000
1500
2000
2500
3000
0
070
RESISTOR R
2
vs. RESISTOR SETTING
DS3906 toc05
RESISTOR SETTING (dec)
RESISTOR (R
2
) (Ω)
200
400
600
800
1000
1200
1400
1600
0
60
40
50
10 20
30
070
RESISTANCE (R
0,1
 R
EXT
)
vs. RESISTOR SETTING
DS3906 toc06
RESISTOR SETTING (dec)
RESISTANCE (R
0,1
 R
EXT
) (Ω)
10
20
30
40
50
60
70
80
90
0
60
40
50
10 20
30
070
R
EXT
= 87
Ω
RESISTANCE (R
2
 R
EXT
)
vs. RESISTOR SETTING
DS3906 toc07
RESISTOR SETTING (dec)
RESISTANCE (R
2
 R
EXT
) (Ω)
50
100
150
200
250
0
60
40
50
10 20
30
070
R
EXT
= 258
Ω
RESISTOR R
0,1
TEMPERATURE COEFFICIENT
(-40°C TO +25°C) vs. RESISTOR SETTING
DS3906 toc08
RESISTOR SETTING (dec)
RESISTOR R
0,1
TEMPERATURE COEFFICIENT (ppm/°C)
0
50
100
150
200
250
-50
60
40
50
10 20
30
070
-40
°
C TO +25
°
C