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參數(shù)資料
| 型號： | MCP41050T |
| 廠商： | Microchip Technology Inc. |
| 元件分類： | FPGA |
| 英文描述： | 400000 SYSTEM GATE 2.5 VOLT FPGA - NOT RECOMMENDED for NEW DESIGN |
| 中文描述： | 單/雙數(shù)字電位器接口與SPI⑩ |
| 文件頁數(shù)： | 1/33頁 |
| 文件大小： | 682K |
| 代理商： | MCP41050T |
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2003 Microchip Technology Inc.
DS11195C-page 1
M
MCP41XXX/42XXX
Features
256 taps for each potentiometer
Potentiometer values for 10 k
, 50 k
and
100 k
Single and dual versions
SPI serial interface (mode 0,0 and 1,1)
±1 LSB max INL & DNL
Low power CMOS technology
1 μA maximum supply current in static operation
Multiple devices can be daisy-chained together
(MCP42XXX only)
Shutdown feature open circuits of all resistors for
maximum power savings
Hardware shutdown pin available on MCP42XXX
only
Single supply operation (2.7V - 5.5V)
Industrial temperature range: -40°C to +85°C
Extended temperature range: -40°C to +125°C
Block Diagram
Description
The MCP41XXX and MCP42XXX devices are 256-
position, digital potentiometers available in 10 k
,
50 k
and
100 k
resistance
MCP41XXX is a single-channel device and is offered in
an 8-pin PDIP or SOIC package. The MCP42XXX con-
tains two independent channels in a 14-pin PDIP, SOIC
or TSSOP package. The wiper position of the
MCP41XXX/42XXX varies linearly and is controlled via
an industry-standard SPI interface. The devices con-
sume <1 μA during static operation. A software shut-
down feature is provided that disconnects the “A”
terminal from the resistor stack and simultaneously con-
nects the wiper to the “B” terminal. In addition, the dual
MCP42XXX has a SHDN pin that performs the same
function in hardware. During shutdown mode, the con-
tents of the wiper register can be changed and the
potentiometer returns from shutdown to the new value.
The wiper is reset to the mid-scale position (80h) upon
power-up. The RS (reset) pin implements a hardware
reset and also returns the wiper to mid-scale. The
MCP42XXX SPI interface includes both the SI and SO
pins, allowing daisy-chaining of multiple devices. Chan-
nel-to-channel resistance matching on the MCP42XXX
varies by less than 1%. These devices operate from a
single 2.7 - 5.5V supply and are specified over the
extended and industrial temperature ranges.
versions.
The
Package Types
16-Bit
Shift
Register
V
DD
V
SS
SI
SCK
RS
SHDN
PB1
PA1
PW1
Resistor
Array 1
*
Wiper
Register
PB0
PW0
PA0
Resistor
Array 0
Wiper
Register
S0
Control
Logic
CS
*
Potentiometer P1 is only available on the dual
MCP42XXX version.
M
1
2
3
4
5
6
7
11
10
12
13
14
8
9
PDIP/SOIC/TSSOP
PB1
PW1
PA1
SHDN
RS
PB0
SO
PW0
PA0
CS
SCK
SI
V
SS
V
DD
M
1
2
3
4
5
6
7
8
PDIP/SOIC
PB0
PW0
PA0
V
DD
V
SS
CS
SCK
SI
Single/Dual Digital Potentiometer with SPI
Interface
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|---|---|
| MCP41100 | Single/Dual Digital Potentiometer with SPI⑩ Interface |
| MCP41100T | Single/Dual Digital Potentiometer with SPI⑩ Interface |
| MCP41XXX | 400000 SYSTEM GATE 2.5 VOLT FPGA - NOT RECOMMENDED for NEW DESIGN |
| MCP42010 | Single/Dual Digital Potentiometer with SPI Interface(單/雙數(shù)字電位器，帶SPI接口) |
| MCP42050 | Single/Dual Digital Potentiometer with SPI Interface(單/雙數(shù)字電位器，帶SPI接口) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MCP41050TE/P | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Single/Dual Digital Potentiometer with SPI Interface |
| MCP41050TE/SL | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Single/Dual Digital Potentiometer with SPI Interface |
| MCP41050TE/SN | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Single/Dual Digital Potentiometer with SPI Interface |
| MCP41050T-E/SN | 功能描述:數(shù)字電位計 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 |
| MCP41050TE/ST | 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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