ADC121C027 - 12-Bit Analog-to-Digital Converter

This page provides the datasheet information for the ADC121C027, a member of the ADC121C021 12-Bit Analog-to-Digital Converter family.

Product Overview

National Semiconductor

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Datasheet Details

Part number	ADC121C027
Manufacturer	National Semiconductor
File Size	600.13 KB
Description	12-Bit Analog-to-Digital Converter
Datasheet	ADC121C027 Datasheet
Additional preview pages of the ADC121C027 datasheet.

ADC121C027 Product details

Description

The ADC121C021 is a low-power, monolithic, 12-bit, analogto-digital converter(ADC) that operates from a +2.7 to 5.5V supply.

The converter is based on a successive approximation register architecture with an internal track-and-hold circuit that can handle input frequencies up to 11MHz.

Features

an I2C-compatible serial interface that operates in all three speed modes, including high speed mode (3.4MHz). The ADC's Alert feature provides an interrupt that is activated when the analog input violates a programmable upper or lower limit value. The device features an automatic conversion mode, which frees up the controller and I2C interface. In this mode, the ADC continuously monitors the analog input for an "out-of-range" condition and provides an interrupt if the measured voltage goes out-.

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Published: Aug 21, 2014 |