Datasheet
Dual, Temperature-Controlled Resistors with Inter-
nally Calibrated Monitors and Password Protection
6 Maxim Integrated
DS1856
Typical Operating Characteristics (continued)
(V
CC
= 5.0V, T
A
= +25°C, for both 50kΩ and 20kΩ versions, unless otherwise noted.)
RESISTOR 0 DNL (LSB)
DS1856 toc07
SETTING (DEC)
RESISTOR 0 DNL (LSB)
225200150 17550 75 100 12525
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1.0
-1.0
0 250
RESISTOR 1 INL (LSB)
DS1856 toc08
SETTING (DEC)
RESISTOR 1 INL (LSB)
225200150 17550 75 100 12525
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1.0
-1.0
0 250
RESISTOR 1 DNL (LSB)
DS1856 toc09
SETTING (DEC)
RESISTOR 1 DNL (LSB)
225200150 17550 75 100 12525
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1.0
-1.0
0 250
RESISTANCE
vs. POWER-UP VOLTAGE
DS1856 toc10
POWER-UP VOLTAGE (V)
RESISTANCE (kΩ)
2341
30
20
40
50
60
70
80
90
100
110
120
0
10
05
PROGRAMMED
RESISTANCE
(80h)
>1MΩ 50kΩ VERSION
RESISTANCE
vs. POWER-UP VOLTAGE
DS1856 toc11
POWER-UP VOLTAGE (V)
RESISTANCE (kΩ)
2341
30
20
40
50
60
70
80
90
100
110
120
0
10
05
PROGRAMMED
RESISTANCE
(80h)
>1MΩ 20kΩ VERSION
POSITION 00h RESISTANCE
vs. TEMPERATURE
DS1856 toc12
TEMPERATURE (°C)
RESISTANCE (kΩ)
20 35 50 65 805-10-25
0.97
0.98
0.99
1.00
1.01
0.96
-40 95
50kΩ VERSION