Overview
The ADuC7126BSTZ126IRL is a precision analog microcontroller produced by Analog Devices Inc. This device is part of the ADuC7124/ADuC7126 family, which integrates high-performance multichannel analog-to-digital converters (ADCs), 16-bit/32-bit microcontrollers (MCUs), and Flash/EE memory on a single chip. The microcontroller core is an ARM7TDMI 16-bit/32-bit RISC machine, offering up to 41 MIPS peak performance. It features 32 kB of SRAM and 126 kB of nonvolatile Flash/EE memory. The device is designed for applications requiring precise analog and digital processing, such as industrial control, smart sensors, and precision instrumentation.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Operating Voltage | 2.7 V | 3.6 V | V | ||
| Operating Temperature Range | −40°C | +125°C | °C | Industrial temperature range | |
| ADC Resolution | 12-bit | Up to 12 single-ended inputs, differential input mode available | |||
| ADC Sample Rate | 1 MSPS | ||||
| DAC Output Voltage Range | 0 V | DACVDD | V | Programmable to one of three voltage ranges | |
| Microcontroller Core | ARM7TDMI 16-bit/32-bit RISC | Up to 41 MIPS peak performance | |||
| Memory | 32 kB SRAM, 126 kB Flash/EE | ||||
| Package Type | 80-lead LQFP | 12mm x 12mm x 1.4mm |
Key Features
- High-Performance ADCs: Up to 12 single-ended inputs, with the ability to operate in single-ended or differential input modes.
- Programmable DAC Outputs: DAC outputs can be programmed to one of three voltage ranges and retain their output voltage during watchdog or software reset sequences.
- Advanced Microcontroller Core: ARM7TDMI 16-bit/32-bit RISC machine with up to 41 MIPS peak performance.
- Memory and Storage: 32 kB of SRAM and 126 kB of nonvolatile Flash/EE memory.
- Communication Interfaces: Includes 2×I2C channels, SPI interface, and 2×UART channels with configurable 16-bit FIFO buffers.
- Interrupt Controller: Vectored interrupt controller (VIC) with support for nested interrupts up to eight levels per IRQ and FIQ.
- Clocking Options: On-chip oscillator and PLL generating an internal high frequency clock of 41.78 MHz, with a programmable clock divider.
- Development Support: Low-cost QuickStart development system and nonintrusive emulation via JTAG interface).
Applications
- Industrial Control and Automation Systems: Suitable for complex industrial control applications requiring precise analog and digital processing).
- Smart Sensors and Precision Instrumentation: Ideal for applications needing high-accuracy analog-to-digital conversion and advanced microcontroller capabilities).
- Base Station Systems and Optical Networking: Can be used in telecommunications and networking equipment due to its robust communication interfaces).
- Patient Monitoring Systems: Applicable in medical devices requiring precise analog data acquisition and processing).
Q & A
- What is the primary function of the ADuC7126BSTZ126IRL?
The ADuC7126BSTZ126IRL is a precision analog microcontroller that integrates high-performance ADCs, 16-bit/32-bit MCUs, and Flash/EE memory on a single chip.
- What is the resolution and sample rate of the ADC?
The ADC has a resolution of 12 bits and a sample rate of up to 1 MSPS.
- What type of microcontroller core does the ADuC7126BSTZ126IRL use?
The microcontroller core is an ARM7TDMI 16-bit/32-bit RISC machine.
- How much memory does the ADuC7126BSTZ126IRL have?
The device has 32 kB of SRAM and 126 kB of nonvolatile Flash/EE memory.
- What communication interfaces are available on the ADuC7126BSTZ126IRL?
The device includes 2×I2C channels, an SPI interface, and 2×UART channels with configurable 16-bit FIFO buffers.
- What is the operating voltage range of the ADuC7126BSTZ126IRL?
The operating voltage range is from 2.7 V to 3.6 V.
- What is the operating temperature range of the ADuC7126BSTZ126IRL?
The device is specified for an industrial temperature range of −40°C to +125°C.
- What type of package is the ADuC7126BSTZ126IRL available in?
The device is available in an 80-lead LQFP package.
- Does the ADuC7126BSTZ126IRL support in-circuit programming?
Yes, it supports in-circuit download via the UART serial interface port or the I2C port, and nonintrusive emulation via the JTAG interface.
- What are some typical applications for the ADuC7126BSTZ126IRL?
Typical applications include industrial control and automation systems, smart sensors, precision instrumentation, base station systems, optical networking, and patient monitoring systems.
