Note: Unless otherwise indicated, TA
參數資料
型號: MCP4251-503E/P
廠商: Microchip Technology
文件頁數: 11/59頁
文件大?。?/td> 0K
描述: IC DGTL POT 50K 2CH 14DIP
標準包裝: 30
接片: 257
電阻(歐姆): 50k
電路數: 2
溫度系數: 標準值 150 ppm/°C
存儲器類型: 易失
接口: 4 線 SPI(芯片選擇)
電源電壓: 1.8 V ~ 5.5 V
工作溫度: -40°C ~ 125°C
安裝類型: 通孔
封裝/外殼: 14-DIP(0.300",7.62mm)
供應商設備封裝: 14-PDIP
包裝: 管件
產品目錄頁面: 676 (CN2011-ZH PDF)
其它名稱: MCP4251-503-E/P
MCP4251-503-E/P-ND
2008 Microchip Technology Inc.
DS22060B-page 19
MCP413X/415X/423X/425X
Note: Unless otherwise indicated, TA = +25°C, VDD = 5V, VSS = 0V.
FIGURE 2-18:
10 k
Ω Pot Mode – R
W (Ω),
INL (LSb), DNL (LSb) vs. Wiper Setting and
Ambient Temperature (VDD = 5.5V).
FIGURE 2-19:
10 k
Ω Pot Mode – R
W (Ω),
INL (LSb), DNL (LSb) vs. Wiper Setting and
Ambient Temperature (VDD = 3.0V).
FIGURE 2-20:
10 k
Ω Pot Mode – R
W (Ω),
INL (LSb), DNL (LSb) vs. Wiper Setting and
Ambient Temperature (VDD = 1.8V).
FIGURE 2-21:
10 k
Ω Rheo Mode – R
W (Ω),
INL (LSb), DNL (LSb) vs. Wiper Setting and
Ambient Temperature (VDD = 5.5V).
FIGURE 2-22:
10 k
Ω Rheo Mode – R
W (Ω),
INL (LSb), DNL (LSb) vs. Wiper Setting and
Ambient Temperature (VDD = 3.0V).
FIGURE 2-23:
10 k
Ω Rheo Mode – R
W (Ω),
INL (LSb), DNL (LSb) vs. Wiper Setting and
Ambient Temperature (VDD = 1.8V).
20
40
60
80
100
120
0 25 50 75 100 125 150 175 200 225 250
Wiper Setting (decimal)
W
ipe
rRes
ist
anc
e
(
R
W
)
(ohms)
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
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
20
60
100
140
180
220
260
300
0
32
64
96 128 160 192 224 256
Wiper Setting (decimal)
W
ipe
rRes
ist
anc
e
(
R
W
)
(ohms)
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
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
0
500
1000
1500
2000
2500
3000
3500
4000
0
64
128
192
256
Wiper Setting (decimal)
Wipe
rRes
ist
anc
e
(R
W
)(
ohms)
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
0.5
0.6
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
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.
20
40
60
80
100
120
0
32
64
96 128 160 192 224 256
Wiper Setting (decimal)
W
ipe
rRes
ist
anc
e
(
R
W
)
(ohms)
-1
-0.5
0
0.5
1
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
20
60
100
140
180
220
260
300
0 25 50 75 100 125 150 175 200 225 250
Wiper Setting (decimal)
W
ipe
rRes
ist
anc
e
(
R
W
)
(ohms)
-2
-1
0
1
2
3
4
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
0
500
1000
1500
2000
2500
3000
3500
4000
0
64
128
192
256
Wiper Setting (decimal)
Wi
pe
rRes
ist
anc
e(
R
W
)
(ohms)
-2
8
18
28
38
48
58
68
78
88
98
E
rror
(
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
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.
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