Datasheet

 2003 Microchip Technology Inc. DS11195C-page 9
MCP41XXX/42XXX
Note: Unless otherwise indicated, curve represents 10 kΩ, 50 kΩ and 100 kΩ devices, V
DD
= 5V, V
SS
= 0V, T
A
= +25°C,
V
B
= 0V.
FIGURE 2-13: 10 kΩ Device Wiper
Resistance Histogram.
FIGURE 2-14: 50 kΩ, 100 kΩ Device Wiper
Resistance Histogram.
FIGURE 2-15: One Position Settling Time.
FIGURE 2-16: Full-Scale Settling Time.
FIGURE 2-17: Digital Feed through vs.
Time.
FIGURE 2-18: Gain vs. Frequency for
10 kΩ Potentiometer.
0
20
40
60
80
100
120
140
160
180
47 48 49 50 51 52 53 54 55 56 57 58 59
Wiper Resistance (
Ω
)
Number of Occurrences
MCP41010,MCP42010
Code = 00h,
Sample Size = 400
0
20
40
60
80
100
120
140
115 117 119 121 123 125 127 129 131 133
Wiper Resistance (
Ω
)
Number of Occurrences
MCP41050, MCP41100,
MCP42050, MCP42100
Code = 00h,
Sample Size = 796
V
OUT
Code = 7Fh Code = 80h
CS
C
L
= 17 pF
V
OUT
00h
FFh
CS
C
L
= 27 pF
C
L
= 27 pF
Code = 80h
V
OUT
CS
-60
-54
-48
-42
-36
-30
-24
-18
-12
-6
0
6
Frequency (Hz)
Gain (dB)
C
L
= 30pF, Refer to Figure 2-29
MCP41010, MCP42010 (10kΩ potentiometers)
Code = FFh
Code = 80h
Code = 40h
Code = 20h
Code = 10h
Code = 08h
Code = 04h
Code = 02h
Code = 01h
100 1k 10k 100k 1M 10
M