參數(shù)資料
型號: MCP4011T-503E/MC
廠商: Microchip Technology
文件頁數(shù): 30/54頁
文件大?。?/td> 0K
描述: IC DGTL POT 50K 1CH 8DFN
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: 8-VFDFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 8-DFN(2x3)
包裝: 標(biāo)準(zhǔn)包裝
其它名稱: MCP4011T-503E/MCDKR
MCP4011/2/3/4
DS21978C-page 36
2006 Microchip Technology Inc.
5.2.7
HIGH-VOLTAGE DECREMENT 1
(FOR MCP402X COMPATIBILITY)
This mode is achieved by initializing the U/D pin to a
low state (VIL) prior to the CS pin being driven to VIHH.
Subsequent rising edges of the U/D pin decrement the
wiper setting toward terminal B. Set the U/D pin to the
low state (VIL) prior to forcing the CS pin to VIH. This is
shown in Figure 5-7.
After the CS pin is driven to VIH (from VIL), any other
serial command may immediately be entered.
FIGURE 5-7:
High-Voltage Decrement 1 (For MCP402X Compatibility).
Note:
This command allows compatibility with
the MCP402X family, which supports
updating of the non-volatile wiper setting
with the WiperLock Technology feature.
Note:
The wiper value will not underflow. That is,
once the wiper value equals 0x00,
subsequent decrement commands are
ignored.
U/D
CS
Wiper
1
2
3
4
X-1
X
X-2
X-3
X-4
VIHH
VIH
5
6
VIL
VIH
VIL
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