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CAT5119TPI-50-T10 Datasheet(PDF) 1 Page - Catalyst Semiconductor |
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CAT5119TPI-50-T10 Datasheet(HTML) 1 Page - Catalyst Semiconductor |
1 / 11 page CAT5110, CAT5118, CAT5119 32-Tap MiniPot™ Digitally Programmable Potentiometers with 2-Wire Interface FEATURES s 0.3 µA Ultra-low supply current s Single-supply operation: 2.7 V to 5.5 V s Glitchless switching between resistor taps s Power-on reset to midscale APPLICATIONS s LCD screen adjustment s Volume control s Mechanical potentiometer replacement PIN CONFIGURE DESCRIPTION CAT5110/5118/5119 linear-taper digitally programmable potentiometers perform the same function as a mechanical potentiometer or a variable resistor. These devices 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. © 2005 by Catalyst Semiconductor, Inc. Characteristics subject to change without notice Doc. No. 2120, Rev. A 1 ALO GEN FR TM LEAD FREE The CAT5110 is configured as a potentiometer. The CAT5118 and CAT5119 are configured as variable resistors. See Pin Configurations for part functionality. Three resistance values are available: 10k Ω , 50kΩ and 100k Ω. These are available in space-saving 5-pin and 6-pin SC70 and SOT-23 packages. s 2-Wire up/down serial interface s Resistance values: 10k Ω, Ω, Ω, Ω, Ω, 50kΩ Ω Ω Ω Ω and 100kΩ Ω Ω Ω Ω s Available in SC70 and SOT-23 packages s Gain adjustment s Line impedance matching FUNCTIONAL DIAGRAM VDD GND CS H L W U/D UP/DN Counter 32-Position Decoder GND CS U/D 15 H VDD 2 CAT5118 34 GND CS U/D 16 H VDD 2 34 W 5 CAT5110 GND CS U/D 16 H VDD 2 L 5 CAT5119 34 Top View |
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