MCP4142 Microchip Technology Inc., MCP4142 Datasheet - Page 16
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MCP4142
Manufacturer Part Number
MCP4142
Description
7/8-bit Single/dual Spi Digital Pot With Volatile Memory
Manufacturer
Microchip Technology Inc.
Datasheet
1.MCP4142.pdf
(84 pages)
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MCP414X/416X/424X/426X
Note: Unless otherwise indicated, T
FIGURE 2-6:
INL (LSb), DNL (LSb) vs. Wiper Setting and
Ambient Temperature (V
FIGURE 2-7:
INL (LSb), DNL (LSb) vs. Wiper Setting and
Ambient Temperature (V
FIGURE 2-8:
(
DS22059A-page 16
Ω
) vs. Ambient Temperature and V
120
100
300
260
220
180
140
100
80
60
40
20
5300
5250
5200
5150
5100
5050
60
20
0
0
125°C
-40
-40°C
32
-40C Rw
-40C INL
-40C DNL
32
-40C Rw
-40C INL
-40C DNL
85°C
DNL
DNL
Wiper Setting (decimal)
64
Wiper Setting (decimal)
64
25°C
Ambient Temperature (°C)
-40°C 25°C
0
25C Rw
25C INL
25C DNL
5 k
5 k
5 k
25C Rw
25C INL
25C DNL
96 128 160 192 224 256
96 128 160 192 224 256
85°C
Ω
Ω
Ω
DD
DD
125°C
Pot Mode – R
Pot Mode – R
– Nominal Resistance
INL
INL
85C Rw
85C INL
85C DNL
40
85C Rw
85C INL
85C DNL
= 5.5V).
= 3.0V).
R
W
R
A
W
= +25°C, V
125C Rw
125C INL
125C DNL
125C Rw
125C INL
125C DNL
80
DD
.
2.7V
5.5V
W
W
(
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
(
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
Ω
Ω
120
DD
),
),
= 5V, V
SS
= 0V.
FIGURE 2-9:
INL (LSb), DNL (LSb) vs. Wiper Setting and
Ambient Temperature (V
FIGURE 2-10:
INL (LSb), DNL (LSb) vs. Wiper Setting and
Ambient Temperature (V
FIGURE 2-11:
Setting and Ambient Temperature.
6000
5000
4000
3000
2000
1000
300
260
220
180
140
100
120
100
60
20
80
60
40
20
0
0
0
0
125°C
125°C
-40C Rw
-40C INL
-40C DNL
32
32
32
-40C Rw
-40C INL
-40C DNL
85°C
85°C
Wiper Setting (decimal)
64
Wiper Setting (decimal)
64
64
25°C
Wiper Setting (decimal)
25°C
25C Rw
25C INL
25C DNL
25C Rw
25C INL
25C DNL
5 k
96 128 160 192 224 256
5 k
5 k
96
© 2007 Microchip Technology Inc.
-40°C
96
-40°C
Ω
Ω
Ω
128 160 192 224 256
INL
DD
DD
Rheo Mode – R
Rheo Mode – R
– R
128
85C Rw
85C INL
85C DNL
85C Rw
85C INL
85C DNL
= 5.5V).
= 3.0V).
R
WB
R
DNL
W
W
160
(
Ω
125C Rw
125C INL
125C DNL
125C Rw
125C INL
125C DNL
DNL
INL
192
) vs. Wiper
224
1.25
0.75
0.25
-0.25
-0.75
-1.25
-40°C
25°C
85°C
125°C
W
W
6
4
2
0
-2
(
(
256
Ω
Ω
),
),