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參數資料
| 型號： | CAT5111ZI-50-G |
| 元件分類： | 數字電位計 |
| 英文描述： | 100-Tap Digitally Programmable Potentiometer (DPP⑩) with Buffered Wiper |
| 中文描述： | 100抽頭數字可編程電位器的緩沖雨刷（民進黨⑩） |
| 文件頁數： | 1/11頁 |
| 文件大小： | 260K |
| 代理商： | CAT5111ZI-50-G |
CAT5111
2007 Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
1
Doc. No. MD-2008 Rev. P
100-Tap Digitally Programmable Potentiometer (DPP)
with Buffered Wiper
FEATURES
100-position linear taper potentiometer
Non-volatile EEPROM wiper storage;
buffered wiper
Low power CMOS technology
Single supply operation: 2.5V-6.0V
Increment up/down serial interface
Resistance values: 10k
, 50k
and 100k
Available in PDIP, SOIC, TSSOP and MSOP
packages
APPLICATIONS
Automated product calibration
Remote control adjustments
Offset, gain and zero control
Tamper-proof calibrations
Contrast, brightness and volume controls
Motor controls and feedback systems
Programmable analog functions
For Ordering Information details, see page 10.
FUNCTIONAL DIAGRAM
DESCRIPTION
The CAT5111 is a single digitally programmable
potentiometer (DPP) designed as a electronic
replacement for mechanical potentiometers. Ideal for
automated adjustments on high volume production
lines, they are also well suited for applications where
equipment requiring periodic adjustment is either
difficult to access or located in a hazardous or remote
environment.
The CAT5111 contains a 100-tap series resistor array
connected between two terminals R
H
and R
L
. An
up/down counter and decoder that are controlled by
three input pins, determines which tap is connected to
the wiper, R
WB
. The CAT5111 wiper is buffered by an
op amp that operates rail to rail. The wiper setting,
stored in non-volatile memory, is not lost when the
device is powered down and is automatically recalled
when power is returned. The wiper can be adjusted to
test new system values without effecting the stored
setting.
Wiper-control
accomplished with three input control pins, ˉˉ, U/D,
and ˉˉˉ. The ˉˉˉ input increments the wiper in the
direction which is determined by the logic state of the
U/D input. The ˉˉ input is used to select the device
and also store the wiper position prior to power down.
of
the
CAT5111
is
The digitally programmable potentiometer can be
used as a buffered voltage divider. For applications
where the potentiometer is used as a 2-terminal
variable resistor, please refer to the CAT5113. The
buffered wiper of the CAT5111 is not compatible with
that application.
Control
and
Memory
Power On Recall
V
CC
GND
U/D
INC
CS
R
H
R
H
R
WB
R
WB
R
L
R
L
+
–
+
–
Electronic Potentiometer Implementation
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| CAT5111RI-10TE13 | DIGITAL POTENTIOMETER|CMOS|TSSOP|8PIN|PLASTIC |
| CAT5111S-00TE13 | DIGITAL POTENTIOMETER|CMOS|SOP|8PIN|PLASTIC |
| CAT5111S-10TE13 | FLEx36™ 3.3V 32K/64K/128K/256K x 36 Synchronous Dual-Port RAM |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| CAT5111ZI-50-GT3 | 功能描述:數字電位計 IC DPP,NV 100 taps Up/Down w/Buf RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數:35 PPM / C 容差:25 % POT 數量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數字接口: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 安裝風格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| CAT5111ZI-50MSOP | 制造商:CATALYST 制造商全稱:Catalyst Semiconductor 功能描述:100-Tap Digitally Programmable Potentiometer |
| CAT5111ZI-50SOIC | 制造商:CATALYST 制造商全稱:Catalyst Semiconductor 功能描述:100-Tap Digitally Programmable Potentiometer |
| CAT5111ZI-50-T3 | 功能描述:數字電位計 IC DPP,NV 100 taps Up/Down w/Buf RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數:35 PPM / C 容差:25 % POT 數量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數字接口: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 安裝風格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| CAT5111ZI-50TE13 | 制造商:CATALYST 制造商全稱:Catalyst Semiconductor 功能描述:100-Tap Digitally Programmable Potentiometer |
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