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參數(shù)資料
| 型號(hào)： | MCP41050-E/SN |
| 廠商： | Microchip Technology |
| 文件頁(yè)數(shù)： | 13/28頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC POT DGTL 50K 1CH SPI 8SOIC |
| 標(biāo)準(zhǔn)包裝： | 100 |
| 接片： | 256 |
| 電阻（歐姆）： | 50k |
| 電路數(shù)： | 1 |
| 溫度系數(shù)： | 標(biāo)準(zhǔn)值 800 ppm/°C |
| 存儲(chǔ)器類型： | 易失 |
| 接口： | 3 線串行（芯片選擇） |
| 電源電壓： | 2.7 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-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-SOICN |
| 包裝： | 管件 |
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MCP41XXX/42XXX
DS11195C-page 20
2003 Microchip Technology Inc.
FIGURE 5-4:
Daisy-Chain Configuration.
Microcontroller
SO
CS
SCK
SI
SO
CS
SCK
SI
CS
SCK
SI
CS
SCK
SO
Device 1
Device 2
Device 3*
If you want to load the following
command/data into each part
in the chain.
Device 1
XX10XX11
Device 2
XX01XX10
Device 3
XX10XX00
EXAMPLE:
Start by setting CS low and
clocking in the command and
data that will end up in Device
3 (16 clocks).
After 16 clocks, Device 2 and
Device 3 will both have all
zeros clocked in from the
previous part’s shift register.
Clock-In the command and
data for Device 2 (16 more
clocks). The data that was pre-
viously loaded gets shifted to
the next device on the chain.
After 32 clocks, Device 2 has
the data previously loaded
into Device 1 and Device 3
gets 16 more zeros.
Clock-In the data for Device 1
(16 more clocks). The data that
was previously loaded into
Device 1 gets shifted into
Device 2 and Device 3 contains
the first byte loaded. Raise the
CS line to execute the com-
mands for all 3 devices at the
same time.
After 48 clocks, all 3 devices
have the proper command/
data loaded into their shift
registers.
* Last device on a daisy-chain may be a single channel MCP41XXX device.
11001100
11110000
10101010
Device 1
XX10XX00
Device 2
00000000
Device 3
00000000
10101010
00000000
Device 1
XX01XX10
Device 2
XX10XX00
Device 3
00000000
11110000
10101010
00000000
Device 1
XX10XX11
Device 2
XX01XX10
Device 3
XX10XX00
11001100
11110000
10101010
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| MCP41050I/P | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Single/Dual Digital Potentiometer with SPI Interface |
| MCP41050-I/P | 功能描述:數(shù)字電位計(jì) IC 256 Step SPI 50kOhm RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲(chǔ)器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
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| MCP41050I/SL | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Single/Dual Digital Potentiometer with SPI Interface |
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