Datasheet

MCP4021/2/3/4
DS21945E-page 16 © 2006 Microchip Technology Inc.
Note: Unless otherwise indicated, T
A
= +25°C, V
DD
= 5V, V
SS
= 0V.
FIGURE 2-21: 5k Ω – Nominal Resistance
(
Ω ) vs. Ambient Temperature and V
DD
.
FIGURE 2-22: 5k
Ω – R
WB
( Ω ) vs. Wiper
Setting and Ambient Temperature.
4800
4825
4850
4875
4900
4925
4950
-40 -20 0 20 40 60 80 100 120
Ambient Temperature (°C)
Nominal Resistance (R
AB
)
(Ohms)
2.7V Vdd
5.5V Vdd
V
DD
= 2.7V
V
DD
= 5.5V
0
1000
2000
3000
4000
5000
6000
0 8 16 24 32 40 48 56 64
Wiper Setting (decimal)
R
WB
(Ohms)
-40°C
25°C
85°C
125°C