参数资料
型号: MCP42050-E/ST
厂商: Microchip Technology
文件页数: 26/28页
文件大小: 0K
描述: IC POT DGTL 50K 2CH SPI 14TSSOP
标准包装: 96
接片: 256
电阻(欧姆): 50k
电路数: 2
温度系数: 标准值 800 ppm/°C
存储器类型: 易失
接口: 3 线串行(芯片选择)
电源电压: 2.7 V ~ 5.5 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 14-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 14-TSSOP
包装: 管件
2003 Microchip Technology Inc.
DS11195C-page 7
MCP41XXX/42XXX
2.0
TYPICAL PERFORMANCE CURVES
Note: Unless otherwise indicated, curve represents 10 k
, 50 k and 100 k devices, VDD = 5V, VSS = 0V, TA = +25°C,
V
B = 0V.
FIGURE 2-1:
Normalized Wiper to End
Terminal Resistance vs. Code.
FIGURE 2-2:
Potentiometer INL Error vs.
Code.
FIGURE 2-3:
Potentiometer Mode
Tempco vs. Code.
FIGURE 2-4:
Nominal Resistance 10 k
vs. Temperature.
FIGURE 2-5:
Nominal Resistance 50 k
vs. Temperature.
FIGURE 2-6:
Nominal Resistance 100 k
vs. Temperature.
Note:
The graphs and tables provided following this note are a statistical summary based on a limited number of
samples and are provided for informational purposes only. The performance characteristics listed herein
are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified
operating range (e.g., outside specified power supply range) and therefore outside the warranted range.
0
0.2
0.4
0.6
0.8
1
0
32
64
96
128
160
192
224
256
Code (Decimal)
Normalized
Resistance
(
)
RWB
RWA
VDD = +3V to +5V
-0.5
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
0.5
0
32
64
96
128 160 192 224 256
Code (Decimal)
Potentiometer
INL
Error
(LSB)
TA = -40°C to +85°C
Refer to Figure 2-25
-10
0
10
20
30
40
50
60
70
0
32
64
96
128 160 192 224 256
Code (Decimal)
Potentiometer
Mode
TempCo
(ppm
/°C)
TA = -40°C to +85°C
VA = 3V
0
2
4
6
8
10
12
14
-40 -25 -10 5
20 35 50 65 80 95 110 125
Temperature (°C)
Nominal
Resistance
(k
)
RAB
RWB
Code = 80h
MCP41010, MCP42010 (10 k
potentiometers)
0
10
20
30
40
50
60
70
-40 -25 -10
5
20 35 50 65 80 95 110 125
Temperature (°C)
Nominal
Resistance
(k
)
RAB
RWB
Code = 80h
MCP41050, MCP42050 (50 k
potentiometers)
0
20
40
60
80
100
120
140
-40 -25 -10
5
20 35 50 65 80 95 110 125
Temperature (°C)
Nominal
Resistance
(k
)
MCP41100, MCP42100 (100 k
potentiometers)
RAB
RWB
Code = 80h
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