Rainbow Electronics DS1859 - Manual (Page 7)

DS1859
Dual, Temperature-Controlled Resistors with
Internally Calibrated Monitors
_______________________________________________________________________________________ 7
Typical Operating Characteristics (continued)
(V CC = 5.0V, T A = +25°C, for both 50k Ω and 20kΩ versions, unless otherwise noted.)
POSITION FFh RESISTANCE
vs. TEMPERATURE
DS1859 toc14
TEMPERATURE ( °C)
RESISTANCE (k
Ω
)
80 65 50 35 20 5 -10 -25
51.20
51.40
51.60
51.80
52.00
51.00
-40 95
50k Ω VERSION
POSITION FFh RESISTANCE
vs. TEMPERATURE
DS1859 toc15
TEMPERATURE ( °C)
RESISTANCE (k
Ω
)
80 65 50 35 20 5 -10 -25
19.20
19.40
19.50
19.80
20.00
19.00
-40 95
20k Ω VERSION
TEMPERATURE COEFFICIENT vs. SETTING
DS1859 toc16
SETTING (DEC)
TEMPERATURE COEFFICIENT (ppm/
°C)
200 150 100 50
100
50
0
-50
150
200
250
300
350
400
-100
0 250
50k Ω VERSION
+25 °C TO +95°C
+25 °C TO -40°C
TEMPERATURE COEFFICIENT vs. SETTING
DS1859 toc17
SETTING (DEC)
TEMPERATURE COEFFICIENT (ppm/
°C)
200 150 100 50
100
0
200
300
400
500
600
700
800
-100
0 250
+25 °C TO +95°C
+25 °C TO -40°C
20k Ω VERSION
LSB ERROR vs. FULL-SCALE INPUT
DS1859 toc18
NORMALIZED FULL SCALE (%)
LSB ERROR
75 50 25
-7
-6
-5
-4
-3
-2
-1
0
1
2
3
4
5
6
-8
0 100
+3 SIGMA
-3 SIGMA
MEAN
LSB ERROR vs. FULL-SCALE INPUT
DS1859 toc19
NORMALIZED FULL SCALE (%)
LSB ERROR
9.375 6.250 3.125
-3
-2
-1
0
1
2
3
-4
0 12.500
+3 SIGMA
-3 SIGMA
MEAN
POSITION 00h RESISTANCE
vs. TEMPERATURE
DS1859 toc13
TEMPERATURE ( °C)
RESISTANCE (k
Ω
)
80 65 50 35 20 5 -10 -25
0.34
0.35
0.36
0.37
0.38
0.33
-40 95
20k Ω VERSION