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CAT522 Datasheet

Part NameDescriptionManufacturer
CAT522 Configured Digitally Programmable Potentiometer (DPP™): Programmable Voltage Applications ON-Semiconductor
ON Semiconductor ON-Semiconductor
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DESCRIPTION
The CAT522 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 self-calibrating systems and for applications where equipment which requires periodic adjustment is either difficult to access or in a hazardous environment.

FEATURES
■ Two 8-bit DPPs configured as programmable voltage sources in DAC-like applications
■ Independent 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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