ADUC844

Obsolete

Precision Analog Microcontroller:1-Cycle 8052 MCU + 24-Bit ADC + 16-Bit ADC + 12-Bit DAC + 62 K-Byte Flash in 8 mm x 8 mm Chip-Scale-Package (CSP)

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Overview

The ADuC844 MicroConverter is a fully integrated 24-bit data acquisition system-on-a-chip and is a higher speed-core (single cycle) upgrade to the existing ADuC824 and ADuC834. Like all of ADI's MicroConverter products, it features precision A/D and D/A conversion and a Flash microcontroller on a single chip.

For detailed documentation on the ADuC844, please click the "Datasheets" and "Documentation" buttons at left.

The ADuC844 is available in 52-pin PQFP or 56-pin CSP packages and operates on a 3 V or 5 V power supply.

Suggested Replacement Parts

MicroConverter^®, Dual 16-Bit/24-Bit Σ-Δ ADCs with Embedded 62 kB Flash MCU

Documentation

Application Note 8

UC-009: Addressing 16MB of External Data Memory 08/03/2004

UC-006: A 4-wire UART-to-PC Interface 08/03/2004
- uC006 Gerber File (1)
- uC006 Files
- uC006 Gerber Files (2)

AN-759: Expanding the Number of DAC Outputs on the ADuC8xx and ADuC702x Families (uC012) (Rev.0) 02/14/2015
- AN-759 Companion Code (zip, 3,464 bytes)

AN-282: Fundamentals of Sampled Data Systems 02/14/2015

AN-660: Accompanying Source Code 02/14/2015

AN-709: RTD Interfacing and Linearization Using an ADuC8xx MicroConverter® (Rev.0) 02/14/2015
- AN-709 Accompanying Files (Tools and Source Code)

AN-660: XY-Matrix Keypad Interface to MicroConverter^® 12/06/2024

AN-1074: Understanding the Serial Download Protocol (Formerly uC004) 07/01/2010

Technical Articles 1

Integrated Route Taken to Pulse Oximetry 12/26/2004

Software Resources

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Tools & Simulations

Sigma-Delta ADC Tutorial

An interactive illustration showing the behavior of an idealized sigma-delta A/D converter.

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