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參數(shù)資料
| 型號(hào)： | CAT5110SDI-00-GT10 |
| 元件分類： | 數(shù)字電位計(jì) |
| 英文描述： | 32-Tap MiniPot TM Digitally Programmable Potentiometers with 2-Wire Interface |
| 中文描述： | 32抽頭的2線接口MiniPot商標(biāo)數(shù)字可編程電位器 |
| 文件頁(yè)數(shù)： | 5/16頁(yè) |
| 文件大?。?/td> | 683K |
| 代理商： | CAT5110SDI-00-GT10 |
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CAT5110, CAT5118, CAT5119, CAT5123, CAT5124, CAT5125
5
Doc No. 220, Rev. E
2007 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
CS
U/D
W
t
CU
t
IL
t
IH
t
SETTLE
t
IC
t
CI
t
SETTLE
Note: "W" is not a digital signal. It represents wiper transitions.
FunCTIOnAl DesCrIPTIOn
The CAT50/58/59/523/524/525 consist of
a fixed resistor and a wiper contact with 32-tap points
that are digitally controlled through a 2-wire up/down
serial interface. Three end-to-end resistance values are
available: 0k
Ω
, 50k
Ω
and 00k
Ω
.
The CAT50/525 is designed to operate as a
potentiometer. In this configuration, the low terminal of
the resistor array is connected to ground (pin 2).
The CAT58/523 performs as a variable resistor. In
this device, the wiper terminal and high terminal of the
resistor array are connected at pin 5. The CAT59/524
is a similar variable resistor, except the low terminal is
connected to pin 5.
DIGITAl InTerFACe OPerATIOn
The MiniPots have two modes of operation when the
serial interface is active: increment and decrement mode.
The serial interface is only active when CS is low.
Figure 2. serial Interface Timing Diagram, Decrement Mode
Figure 1. serial Interface Timing Diagram, Increment Mode
The CS and U/D inputs control the position of the wiper
along the resistor array. When CS transitions from high
to low, the part will go into increment mode if U/D input
is high, and into decrement mode when U/D input is low.
Once the mode is set, the device will remain in that mode
until CS goes high again. A low-to-high transition at the
U/D pin will increment or decrement the wiper position
depending on the current mode (Figures and 2).
When the CS input transitions to high (serial interface
inactive), the value of the counter is stored and the wiper
position is maintained.
Note that when the wiper reaches the maximum (or
minimum) tap position, the wiper will not wrap around
to the minimum (or maximum) position.
POWer-On reseT
All parts in this family feature power-on reset (POR)
circuitry that sets the wiper position to midscale at power-
up. By default, the chip is in the increment mode.
CS
U/D
W
t
CU
t
IL
t
IH
t
IC
t
SETTLE
t
CI
t
SETTLE
Note: "W" is not a digital signal. It represents wiper transitions.
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| CAT5110SDI-00-GT3 | 32-Tap MiniPot TM Digitally Programmable Potentiometers with 2-Wire Interface |
| CAT5110SDI-10-GT10 | 32-Tap MiniPot TM Digitally Programmable Potentiometers with 2-Wire Interface |
| CAT5110SDI-10-GT3 | 32-Tap MiniPot TM Digitally Programmable Potentiometers with 2-Wire Interface |
| CAT5110SDI-50-GT10 | 32-Tap MiniPot TM Digitally Programmable Potentiometers with 2-Wire Interface |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CAT5110SDI00GT3 | 功能描述:數(shù)字電位計(jì) IC DPP,MiniPot 32 taps Up/Down 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 |
| CAT5110SDI-00GT3 | 功能描述:數(shù)字電位計(jì) IC DPP MINIPOT 32 TAPS U/D 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 |
| CAT5110SDI-00-GT3 | 制造商:CATALYST 制造商全稱:Catalyst Semiconductor 功能描述:32-Tap MiniPot⑩ Digitally Programmable Potentiometers with 2-Wire Interface |
| CAT5110SDI-00-T | 制造商:CATALYST 制造商全稱:Catalyst Semiconductor 功能描述:32-Tap MiniPot Digitally Programmable Potentiometers with 2-Wire Interface |
| CAT5110SDI-00-T10 | 制造商:CATALYST 制造商全稱:Catalyst Semiconductor 功能描述:32-Tap MiniPot Digitally Programmable Potentiometers with 2-Wire Interface |
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