 2003 Microchip Technology Inc.

DS11195C-page 7

MCP41XXX/42XXX

2.0

TYPICAL PERFORMANCE CURVES

Note: Unless otherwise indicated, curve represents 10 k

V

FIGURE 2-1:

Normalized Wiper to End

Terminal Resistance vs. Code.

FIGURE 2-2:

Potentiometer INL Error vs.

Code.

FIGURE 2-3:

Potentiometer Mode

Tempco vs. Code.

FIGURE 2-4:

Nominal Resistance 10 k

Ω

vs. Temperature.

FIGURE 2-5:

Nominal Resistance 50 k

Ω

vs. Temperature.

FIGURE 2-6:

Nominal Resistance 100 k

Ω

vs. Temperature.

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.

0

0.2

0.4

0.6

0.8

1

0

32

64

96

128

160

192

224

256

Code (Decimal)

-0.5

-0.4

-0.3

-0.2

-0.1

0

0.1

0.2

0.3

0.4

0.5

0

32

64

96

128 160 192 224 256

Code (Decimal)

Refer to Figure 2-25

-10

0

10

20

30

40

50

60

70

0

32

64

96

128 160 192 224 256

Code (Decimal)

0

2

4

6

8

10

12

14

-40 -25 -10 5

20 35 50 65 80 95 110 125

Temperature (°C)

Code = 80h

MCP41010, MCP42010 (10 k

Ω potentiometers)

0

10

20

30

40

50

60

70

-40 -25 -10

5

20 35 50 65 80 95 110 125

Temperature (°C)

Code = 80h

MCP41050, MCP42050 (50 k

Ωpotentiometers)

0

20

40

60

80

100

120

140

-40 -25 -10

5

20 35 50 65 80 95 110 125

Temperature (°C)

MCP41100, MCP42100 (100 k

Ωpotentiometers)

Code = 80h