CAT5111 ,Digital Potentiometer (POT), 100-Tap, with Buffered WiperFeaturesVRCC WBINC GND 100-position Linear Taper PotentiometerRU/DH Non-volatile EEPROM Wiper Sto ..
CAT5111 ,Digital Potentiometer (POT), 100-Tap, with Buffered Wiper2CAT5111Pin Description Device OperationThe CAT5111 operates like a digitally controlledINC: Increm ..
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CD74HC244E ,High Speed CMOS Logic Non-Inverting Octal Buffers/Line Drivers with 3-State OutputsMaximum Ratings Thermal InformationDC Supply Voltage, V . . . . . . . . . . . . . . . . . . . . . . ..
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CAT5111
Digital Potentiometer (POT), 100-Tap, with Buffered Wiper
CAT5111
100‐tap Digital
Potentiometer (POT)
with Buffered Wiper
Description The CAT5111 is a single digital POT designed as an 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 RH and RL. An up/down counter and decoder
that are controlled by three input pins, determines which tap is
connected to the wiper, RWB. 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 of the CAT5111 is accomplished with three input
control pins, CS, U/D, and INC. The INC input increments the wiper
in the direction which is determined by the logic state of the U/D input.
The CS input is used to select the device and also store the wiper
position prior to power down.
The digital POT 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.
Features 100-position Linear Taper Potentiometer Non-volatile EEPROM Wiper Storage; Buffered Wiper Low Power CMOS Technology Single Supply Operation: 2.5 V − 6.0 V Increment Up/Down Serial Interface Resistance Values: 10 k�, 50 k� and 100 k� Available in PDIP, SOIC, TSSOP and MSOP Packages These Devices are Pb-Free, Halogen Free/BFR Free and are RoHS
Compliant
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
