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CAT523 Datasheet

Part NameDescriptionManufacturer
CAT523 Dual Digitally Programmable Potentiometer (DPP™) with 256 Taps and Microwire Interface ON-Semiconductor
ON Semiconductor ON-Semiconductor
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DESCRIPTION
The CAT523 is a dual, 8-bit digitally-programmable potentiometer (DPP™) configured for programmable voltage and DAC-like applications. Intended for final calibration of products such as camcorders, fax machines and cellular telephones on automated high volume production lines, it is also well suited for systems capable of self calibration, and applications where equipment which is either difficult to access or in a hazardous environment, requires periodic adjustment.

FEATURES
■ Two 8-bit DPPs configured as programmable voltage sources in DAC-like applications
■ Common reference inputs
■ Non-volatile NVRAM memory wiper storage
■ Output voltage range includes both supply rails
■ 2 independently addressable buffered output wipers
■ 1 LSB accuracy, high resolution
■ Serial microwire-like interface
■ Single supply operation: 2.7V - 5.5V
■ Setting read-back without effecting outputs

APPLICATIONS
■ Automated product calibration.
■ Remote control adjustment of equipment
■ Offset, gain and zero adjustments in self-calibrating and adaptive control systems.
■ Tamper-proof calibrations.
■ DAC (with memory) substitute

 

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