
2009 Microchip Technology Inc.
DS22152B-page 17
MCP40D17/18/19
Note: Unless otherwise indicated, TA = +25°C, VDD = 5V, VSS = 0V.
FIGURE 2-21:
10 k
Ω Pot Mode : R
W (Ω),
INL (LSb), DNL (LSb) vs. Wiper Setting and
Temperature (VDD = 5.5V). (A = VDD, B = VSS).
FIGURE 2-22:
10 k
Ω Pot Mode : R
W (Ω),
INL (LSb), DNL (LSb) vs. Wiper Setting and
Temperature (VDD = 2.7V). (A = VDD, B = VSS).
FIGURE 2-23:
10 k
Ω Pot Mode : R
W (Ω),
INL (LSb), DNL (LSb) vs. Wiper Setting and
Temperature (VDD = 1.8V). (A = VDD, B = VSS).
FIGURE 2-24:
10 k
Ω Rheo Mode : R
W (Ω),
INL (LSb), DNL (LSb) vs. Wiper Setting and
Temperature (VDD = 5.5V).(IW = 450 A, B = VSS).
FIGURE 2-25:
10 k
Ω Rheo Mode : R
W (Ω),
INL (LSb), DNL (LSb) vs. Wiper Setting and
Temperature (VDD = 2.7V).(IW = 210 A, B = VSS).
FIGURE 2-26:
10 k
Ω Rheo Mode : R
W (Ω),
INL (LSb), DNL (LSb) vs. Wiper Setting and
Temperature (VDD = 1.8V). (IW =260 A, B = VSS).
20
40
60
80
100
120
0
326496
Wiper Setting (decimal)
W
ip
e
rR
esi
st
an
ce
(
R
W
)
(ohms
)
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
E
rro
r(L
S
b
)
-40C Rw
25C Rw
85C Rw
125C Rw
-40C INL
25C INL
85C INL
125C INL
-40C DNL
25C DNL
85C DNL
125C DNL
INL
DNL
RW
-40°C
25°C
85°C
125°C
20
60
100
140
180
220
260
300
032
64
96
Wiper Setting (decimal)
W
ip
e
rRe
si
st
an
ce
(R
W
)
(ohms
)
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
Error
(L
Sb)
-40C Rw
25C Rw
85C Rw
125C Rw
-40C INL
25C INL
85C INL
125C INL
-40C DNL
25C DNL
85C DNL
125C DNL
INL
DNL
-40°C
25°C
85°
RW
125°C
Note:
Refer to AN1080 for additional informa-
tion on the characteristics of the wiper
resistance (RW) with respect to device
voltage and wiper setting value.
0
1000
2000
3000
0
326496
Wiper Setting (decimal)
W
ip
e
rRe
si
st
an
ce
(R
W
)
(ohms
)
-0.35
-0.25
-0.15
-0.05
0.05
0.15
0.25
0.35
Error
(L
Sb)
-40C Rw
25C Rw
85C Rw
125C Rw
-40C INL
25C INL
85C INL
125C INL
-40C DNL
25C DNL
85C DNL
125C DNL
INL
DNL
RW
20
40
60
80
100
120
0
326496
Wiper Setting (decimal)
W
ip
e
rR
esi
st
an
ce
(
R
W
)
(ohms
)
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
E
rro
r(L
S
b
)
-40C Rw
25C Rw
85C Rw
125C Rw
-40C INL
25C INL
85C INL
125C INL
-40C DNL
25C DNL
85C DNL
125C DNL
INL
DNL
RW
-40°C
25°C
85°C
125°C
20
60
100
140
180
220
260
300
032
64
96
Wiper Setting (decimal)
W
ip
e
rR
esi
st
an
ce
(
R
W
)
(ohms
)
-1
0
1
2
3
Error
(LSb)
-40C Rw
25C Rw
85C Rw
125C Rw
-40C INL
25C INL
85C INL
125C INL
-40C DNL
25C DNL
85C DNL
125C DNL
INL
DNL
RW
-40°C
25°C
85°C
125°C
Note:
Refer to AN1080 for additional informa-
tion on the characteristics of the wiper
resistance (RW) with respect to device
voltage and wiper setting value.
0
1000
2000
3000
032
64
96
Wiper Setting (decimal)
W
ip
e
rR
esi
st
an
ce
(
R
W
)
(ohms
)
-1
4
9
14
19
24
29
34
39
Error
(LSb)
-40C Rw
25C Rw
85C Rw
125C Rw
-40C INL
25C INL
85C INL
125C INL
-40C DNL
25C DNL
85C DNL
125C DNL
INL
DNL
RW