描述 Description

The CAT5115 is a single digital POT designed as an electronic replacement for mechanical potentiometers and trim pots. 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 CAT5115 contains a 32-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, RW. The wiper is always set to the mid point, tap 15 at power up. The tap position is not stored in memory. Wiper-control of the CAT5115 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.The digital POT can be used as a three-terminal resistive divider or as a two-terminal variable resistor. Digital POTs bring variability and programmability to a wide variety of applications including control, parameter adjustments, and signal processing.

特性 Features

? 32-position, Linear Taper Potentiometer
? Low Power CMOS Technology
? Single Supply Operation: 2.5 V - 6.0 V
? Increment Up/Down Serial Interface
? Resistance Values: 10 kΩ, 50 kΩ and 100 kΩ

應用 Application

? 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
? Industrial Equipment

簡介

CAT5115屬于集成電路（IC）的數字電位計。由制造生產的CAT5115數字電位計數字電位器是一系列集成電路器件，可提供類似于傳統(tǒng)機械電位器或變阻器的可調節(jié)電阻，但通過電子信號而非機械輸入來進行控制。雖然這些器件的電阻可耗散的電能相對有限，但其電子控制能力有助于小型化、自動化和遠程控制信號級模擬電路，而這些電路本來可能會使用機械電位器。