The CS pin is High-Voltage (V
參數(shù)資料
型號： MCP4011-103E/MS
廠商： Microchip Technology
文件頁數(shù)： 32/54頁
文件大?。?/td> 0K
描述： IC DGTL POT 10K 1CH 8MSOP
標準包裝： 100
接片： 64
電阻（歐姆）： 10k
電路數(shù)： 1
溫度系數(shù)： 標準值 150 ppm/°C
存儲器類型： 易失
接口： 2 線串行（芯片選擇，增/減）
電源電壓： 1.8 V ~ 5.5 V
工作溫度： -40°C ~ 125°C
安裝類型： 表面貼裝
封裝/外殼： 8-TSSOP，8-MSOP（0.118"，3.00mm 寬）
供應(yīng)商設(shè)備封裝： 8-MSOP
包裝： 管件
產(chǎn)品目錄頁面： 674 (CN2011-ZH PDF)
MCP4011/2/3/4
DS21978C-page 38
2006 Microchip Technology Inc.
5.3
CS High Voltage
The CS pin is High-Voltage (VIHH) tolerant, like the
MCP402X. This allows the MCP401X to be used in
MCP402X applications without needing to change
other portions of the application circuit.
6.0
RESISTOR
Digital potentiometer applications can be divided into
two categories:
Rheostat configuration
Potentiometer (or voltage divider) configuration
Figure 6-1 shows a block diagram for the MCP401X
resistors.
FIGURE 6-1:
Resistor Block Diagram.
Step resistance (RS) is the resistance from one tap
setting to the next. This value will be dependent on the
RAB value that has been selected. Table 6-1 shows the
typical step resistances for each device.
The total resistance of the device has minimal variation
due to operating voltage (see Figure 2-11, Figure 2-24,
TABLE 6-1: TYPICAL STEP RESISTANCES
Terminal A and B, as well as the wiper W, do not have
a polarity. These terminals can support both positive
and negative current.
RS
A
RS
B
N = 63
N = 62
N = 61
N = 1
N = 0
RW (1)
W
01h
Analog
Mux
RW (1)
00h
RW (1)
3Dh
RW (1)
3Eh
RW (1)
3Fh
Note 1: The wiper resistance is tap dependent.
That is, each tap selection resistance
has a small variation. This variation
effects the smaller resistance devices
(2.1 k
Ω) more.
Part Number
Typical Resistance (
Ω)
Total (RAB)
Step (RS)
MCP401X-203E
2100
33.33
MCP401X-503E
5000
79.37
MCP401X-104E
10000
158.73
MCP401X-504E
50000
793.65
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