Microchip Technology TSSOP20EV Data Sheet
MCP434X/436X
DS22233A-page 18
© 2009 Microchip Technology Inc.
Note: Unless otherwise indicated, T
A
= +25°C, V
DD
= 5V, V
SS
= 0V.
FIGURE 2-6:
5 k
Ω Pot Mode – R
W
(
Ω),
INL (LSb), DNL (LSb) vs. Wiper Setting and
Ambient Temperature (V
Ambient Temperature (V
DD
= 5.5V).
FIGURE 2-7:
5 k
Ω Pot Mode – R
W
(
Ω),
INL (LSb), DNL (LSb) vs. Wiper Setting and
Ambient Temperature (V
Ambient Temperature (V
DD
= 3.0V).
FIGURE 2-8:
5 k
Ω – Nominal Resistance
(
Ω) vs. Ambient Temperature and V
DD
.
FIGURE 2-9:
5 k
Ω Rheo Mode – R
W
(
Ω),
INL (LSb), DNL (LSb) vs. Wiper Setting and
Ambient Temperature (V
Ambient Temperature (V
DD
= 5.5V).
FIGURE 2-10:
5 k
Ω Rheo Mode – R
W
(
Ω),
INL (LSb), DNL (LSb) vs. Wiper Setting and
Ambient Temperature (V
Ambient Temperature (V
DD
= 3.0V).
FIGURE 2-11:
5 k
Ω – R
WB
(
Ω) vs. Wiper
Setting and Ambient Temperature.
20
40
60
80
100
120
0
32
64
96
128 160 192 224 256
Wiper Setting (decimal)
W
iper
R
esi
st
ance
(
R
W
)
(o
h
m
s
)
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
Er
ro
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
R
W
-40°C 25°C
85°C
125°C
20
60
100
140
180
220
260
300
0
32
64
96
128 160 192 224 256
Wiper Setting (decimal)
W
iper
R
e
s
ist
ance
(
R
W
)
(o
h
m
s
)
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
Er
ro
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
-40°C
25°C
85°C
R
W
125°C
5050
5100
5150
5200
5250
5300
-40
0
40
80
120
Ambient Temperature (°C)
N
o
m
in
a
l R
e
s
is
tan
ce
(
R
AB
)
(O
h
m
s
)
2.7V
5.5V
20
40
60
80
100
120
0
32
64
96
128 160 192 224 256
Wiper Setting (decimal)
W
iper
R
esi
st
ance
(
R
W
)
(o
h
m
s
)
-1.25
-0.75
-0.25
0.25
0.75
1.25
Er
ro
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
R
W
-40°C
25°C
85°C
125°C
20
60
100
140
180
220
260
300
0
32
64
96
128 160 192 224 256
Wiper Setting (decimal)
Wi
per
R
esi
st
a
n
ce
(
R
W
)
(o
h
m
s
)
-2
0
2
4
6
Er
ro
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
R
W
-40°C
25°C
85°C
125°C
0
1000
2000
3000
4000
5000
6000
0
32
64
96
128
160
192
224
256
Wiper Setting (decimal)
R
WB
(O
h
m
s
)
-40°C
25°C
85°C
125°C
25°C
85°C
125°C