參數(shù)資料
型號： MCP4014T-503E/OT
廠商： Microchip Technology
文件頁數(shù)： 19/54頁
文件大小： 0K
描述： IC DGTL POT 50K 1CH RHEO SOT23-5
標(biāo)準(zhǔn)包裝： 1
接片： 64
電阻（歐姆）： 50k
電路數(shù)： 1
溫度系數(shù)： 標(biāo)準(zhǔn)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： SC-74A，SOT-753
供應(yīng)商設(shè)備封裝： SOT-23-5
包裝： 標(biāo)準(zhǔn)包裝
產(chǎn)品目錄頁面： 674 (CN2011-ZH PDF)
其它名稱： MCP4014T-503E/OTDKR
MCP4011/2/3/4
DS21978C-page 26
2006 Microchip Technology Inc.
3.6
Chip Select (CS)
The CS pin is the chip select input. Forcing the CS pin
to VIL enables the serial commands. These commands
can increment and decrement the wiper. Forcing the
CS pin to VIHH enables the high-voltage serial
commands. These commands can increment and
decrement the wiper and are compatibe with the
MCP402X devices. The wiper is saved to volatile
memory (RAM).
The CS pin has an internal pull-up resistor. The resistor
will become “disabled” when the voltage on the CS pin
is below the VIH level. This means that when the CS pin
is “floating”, the CS pin will be pulled to the VIH level
(serial communication (the U/D pin) is ignored). And
when the CS pin is driven low (VIL), the resistance
becomes very large to reduce the device current
consumption when serial commands are occurring.
See Figure 2-3 for additional information.
3.7
Increment/Decrement (U/D)
The U/D pin input is used to increment or decrement
the wiper on the digital potentiometer. An increment
moves the wiper one step toward terminal A, while a
decrement moves the wiper one step toward
terminal B.
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