MCP41XXX/42XXX
2.0
TYPICAL PERFORMANCE CURVES
Note:
The graphs and tables provided following this note are a statistical summary based on a limited number of
samples and are provided for informational purposes only. The performance characteristics listed herein
are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified
operating range (e.g., outside specified power supply range) and therefore outside the warranted range.
Note: Unless otherwise indicated, curve represents 10 kΩ, 50 kΩ and 100 kΩ devices, VDD = 5V, VSS = 0V, TA = +25°C,
VB = 0V.
14
12
10
8
1
0.8
0.6
0.4
0.2
0
VDD = +3V to +5V
RAB
RWB
Code = 80h
6
RWB
RWA
4
2
MCP41010, MCP42010 (10 kΩ potentiometers)
0
-40 -25 -10
5
20 35 50 65 80 95 110 125
Temperature (°C)
0
32
64
96
128 160 192 224 256
Code (Decimal)
FIGURE 2-1:
Normalized Wiper to End
FIGURE 2-4:
Nominal Resistance 10 kΩ
Terminal Resistance vs. Code.
vs. Temperature.
0.5
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
70
60
50
40
30
20
10
TA = -40°C to +85°C
Refer to Figure 2-25
RAB
RWB
Code = 80h
MCP41050, MCP42050 (50 kΩpotentiometers)
0
-40 -25 -10
5
20 35 50 65 80 95 110 125
Temperature (°C)
0
32
64
96 128 160 192 224 256
Code (Decimal)
FIGURE 2-2:
Potentiometer INL Error vs.
FIGURE 2-5:
Nominal Resistance 50 kΩ
Code.
vs. Temperature.
70
60
50
40
30
20
10
0
140
120
100
80
TA = -40°C to +85°C
VA = 3V
RAB
RWB
Code = 80h
60
40
20
MCP41100, MCP42100 (100 kΩpotentiometers)
0
-10
0
-40 -25 -10
5
20 35 50 65 80 95 110 125
Temperature (°C)
32
64
96 128 160 192 224 256
Code (Decimal)
FIGURE 2-3:
Potentiometer Mode
FIGURE 2-6:
Nominal Resistance 100 kΩ
Tempco vs. Code.
vs. Temperature.
2003 Microchip Technology Inc.
DS11195C-page 7
MICROCHIP [ MICROCHIP ]
