MCP4141 MICROCHIP [Microchip Technology], MCP4141 Datasheet - Page 20

• Manufacturer Part Number: MCP4141
• Description: 7/8-Bit Single/Dual SPI Digital POT with Non-Volatile Memory
• Manufacturer: MICROCHIP [Microchip Technology]

MCP414X/416X/424X/426X
Note: Unless otherwise indicated, T
FIGURE 2-27:
INL (LSb), DNL (LSb) vs. Wiper Setting and
Ambient Temperature (V
FIGURE 2-28:
INL (LSb), DNL (LSb) vs. Wiper Setting and
Ambient Temperature (V
FIGURE 2-29:
(
DS22059B-page 20
Ω
) vs. Ambient Temperature and V
120
100
300
260
220
180
140
100
80
60
40
20
50800
50600
50400
50200
50000
49800
49600
49400
60
20
0
0
125°C
125°C
-40
32
-40C Rw
-40C INL
-40C DNL
32
-40C Rw
-40C INL
-40C DNL
DNL
85°C
DNL
85°C
Wiper Setting (decimal)
25°C
64
5.5V
Wiper Setting (decimal)
64
25°C
Ambient Temperature (°C)
0
25C Rw
25C INL
25C DNL
-40°C
50 k
50 k
50 k
96 128 160 192 224 256
25C Rw
25C INL
25C DNL
96 128 160 192 224 256
-40°C
Ω
DD
Ω
DD
2.7V
Ω
– Nominal Resistance
Pot Mode – R
Pot Mode – R
85C Rw
85C INL
85C DNL
INL
85C Rw
85C INL
85C DNL
INL
40
= 5.5V).
= 3.0V).
R
R
W
W
A
= +25°C, V
125C Rw
125C INL
125C DNL
125C Rw
125C INL
125C DNL
DD
80
.
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
(
(
120
DD
Ω
Ω
),
),
= 5V, V
SS
= 0V.
FIGURE 2-30:
INL (LSb), DNL (LSb) vs. Wiper Setting and
Ambient Temperature (V
FIGURE 2-31:
INL (LSb), DNL (LSb) vs. Wiper Setting and
Ambient Temperature (V
FIGURE 2-32:
Setting and Ambient Temperature.
60000
50000
40000
30000
20000
10000
120
100
300
260
220
180
140
100
80
60
40
20
60
20
0
0
0
0
125°C
125°C
-40C Rw
-40C INL
-40C DNL
32
32
-40C Rw
-40C INL
-40C DNL
32
DNL
85°C
85°C
64
Wiper Setting (decimal)
DNL
Wiper Setting (decimal)
64
64
25°C
25C Rw
25C INL
25C DNL
25°C
Wiper Setting (decimal)
96 128 160 192 224 256
25C Rw
25C INL
25C DNL
50 k
50 k
50 k
96
© 2008 Microchip Technology Inc.
INL
-40°C
96
-40°C
128 160 192 224 256
DD
DD
Ω
Ω
Ω
INL
85C Rw
85C INL
85C DNL
128
R
Rheo Mode – R
Rheo Mode – R
– R
85C Rw
85C INL
85C DNL
W
= 5.5V).
= 3.0V).
WB
160
125C Rw
125C INL
125C DNL
R
(
125C Rw
125C INL
125C DNL
W
Ω
192
) vs. Wiper
224
1
0.75
0.5
0.25
0
-0.25
-0.5
-0.75
-1
-40°C
25°C
85°C
125°C
W
W
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
(
(
256
Ω
Ω
),
),