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参数资料
型号： MCP40D19T-503E/LT
厂商： Microchip Technology
文件页数： 13/43页
文件大小： 0K
描述： IC DGTL POT 50K 128TAPS SC70-5
标准包装： 1
接片： 128
电阻（欧姆）： 50k
电路数： 1
温度系数： 标准值 150 ppm/°C
存储器类型： 易失
接口： I²C
电源电压： 1.8 V ~ 5.5 V
工作温度： -40°C ~ 125°C
安装类型： 表面贴装
封装/外壳： 6-TSSOP（5 引线），SC-88A，SOT-353
供应商设备封装： SC-70-5
包装： 标准包装
产品目录页面： 674 (CN2011-ZH PDF)
其它名称： MCP40D19T-503E/LTDKR
MCP40D17/18/19
DS22152B-page 20
2009 Microchip Technology Inc.
Note: Unless otherwise indicated, TA = +25°C, VDD = 5V, VSS = 0V.
FIGURE 2-39:
50 k
Ω Pot Mode : R
W (Ω),
INL (LSb), DNL (LSb) vs. Wiper Setting and
Temperature (VDD = 5.5V).
FIGURE 2-40:
50 k
Ω Pot Mode : R
W (Ω),
INL (LSb), DNL (LSb) vs. Wiper Setting and
Temperature (VDD = 2.7V).
FIGURE 2-41:
50 k
Ω Pot Mode : R
W (Ω),
INL (LSb), DNL (LSb) vs. Wiper Setting and
Temperature (VDD = 1.8V).
FIGURE 2-42:
50 k
Ω Rheo Mode : R
W (Ω),
INL (LSb), DNL (LSb) vs. Wiper Setting and
Temperature (VDD = 5.5V).(IW = 90 A, B = VSS)
FIGURE 2-43:
50 k
Ω Rheo Mode : R
W (Ω),
INL (LSb), DNL (LSb) vs. Wiper Setting and
Temperature (VDD = 2.7V).(IW = 45 A, B = VSS).
FIGURE 2-44:
50 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
2000
4000
6000
8000
10000
032
64
96
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
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
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
2000
4000
6000
8000
10000
032
64
96
Wiper Setting (decimal)
W
ip
e
rR
esi
st
an
ce
(
R
W
)
(ohms
)
-1
1
3
5
7
9
11
13
15
17
19
21
23
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
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