参数资料
型号: MCP4013T-502E/CH
厂商: Microchip Technology
文件页数: 19/54页
文件大小: 0K
描述: IC DGTL POT 5K 1CH SOT23-6
标准包装: 1
接片: 64
电阻(欧姆): 5k
电路数: 1
温度系数: 标准值 150 ppm/°C
存储器类型: 易失
接口: 2 线串行(芯片选择,增/减)
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: SOT-23-6
供应商设备封装: SOT-23-6
包装: 标准包装
产品目录页面: 674 (CN2011-ZH PDF)
其它名称: MCP4013T-502E/CHDKR
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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