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ADUC7026BSTZ62

ADIADUC7026BSTZ62

Analog Devices Inc.
ARM7® MicroConverter® ADuC7xxx Microcontroller IC 16/32-Bit 44MHz 62KB (31K x16) FLASH 80-LQFP (12x12)
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Overview

The ADUC7026BSTZ62 is an ARM7TDMI-based MicroConverter that integrates high-performance analog peripherals with a 32-bit RISC core. It features a 12-bit multi-channel ADC and quad 12-bit DACs, making it a complete precision data acquisition system on a single chip. Operating up to 41.78 MHz, it includes 62KB of Flash and 8KB of RAM for complex signal processing tasks.

Why Choose This Part

The primary advantage is the integration of high-resolution analog I/O with a 32-bit ARM core, reducing PCB footprint for mixed-signal designs. It includes a unique Programmable Logic Array (PLA) that allows for hardware-level glue logic or custom peripheral timing without CPU overhead.

Applications

Industrial Precision Instrumentation
Utilizing the 12-channel, 12-bit ADC and quad DACs for high-accuracy sensor measurement and analog control loops.
Optical Networking Systems
Managing laser driver control and diagnostic monitoring in fiber optic transceiver modules.
Smart Transmitters
Providing localized processing for pressure or temperature sensors with the integrated temperature sensor and 0.05% accuracy components.
Base Station Monitoring
Supervising system voltages and environmental conditions using the internal power supply monitor and programmable logic array (PLA).

Key Specifications

Speed 44MHz
RAM Size 2K x 32
Core Size 16/32-Bit
Peripherals PLA, PWM, PSM, Temp Sensor, WDT
Connectivity EBI/EMI, I2C, SPI, UART/USART
Mounting Type Surface Mount
Number of I/O 40
Core Processor ARM7
Package / Case 80-LQFP
Data Converters A/D 12 x12b; D/A 4x12b
Oscillator Type Internal
Program Memory Size 62KB (31K x16)
Program Memory Type FLASH
Operating Temperature -40degC ~ 125degC (TA)
Supplier Device Package 80-LQFP (12x12)
Voltage - Supply (Vcc/Vdd) 2.7V ~ 3.6V

Getting Started

Development is supported by the ADSP-DVP-POTentiometer or similar Analog Devices evaluation kits. Engineers typically use the Keil MDK-ARM or IAR Embedded Workbench toolchains, and the device can be programmed via JTAG or a serial bootloader over UART.

Also Consider

STM32F303RBT6 STMicroelectronics - Modern Cortex-M4 alternative with higher clock speeds and comparable 12-bit analog peripherals.