Overview
The ADUC7126BSTZ126 from Analog Devices Inc. is a fully integrated, 1 MSPS, 12-bit data acquisition system. This microcontroller combines high-performance multichannel ADCs, 16-bit/32-bit MCUs, and Flash/EE memory on a single chip. It features an ARM7TDMI core, which is a 16-bit/32-bit RISC machine offering up to 41 MIPS peak performance. The device is designed for a wide range of applications requiring precision analog and digital capabilities.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Operating Voltage | 2.7 V | 3.6 V | V | ||
| Temperature Range | -40°C | 125°C | °C | ||
| ADC Resolution | 12-bit | ||||
| ADC Input Voltage Range | 0 V | VREF | V | ||
| DAC Output Voltage Range | 0 V | DACVDD | V | Programmable to one of three voltage ranges | |
| MCU Core Clock Frequency | 41.78 MHz | MHz | Generated by on-chip oscillator and PLL | ||
| Memory | 32 kB SRAM, 126 kB Flash/EE | ||||
| Package Type | 80-Lead LQFP | 12mm x 12mm x 1.4mm |
Key Features
- High-performance multichannel ADCs with up to 12 single-ended inputs and additional four inputs multiplexed with DAC output pins.
- ARM7TDMI core, a 16-bit/32-bit RISC machine, offering up to 41 MIPS peak performance.
- On-chip Flash/EE memory: 32 kB SRAM and 126 kB nonvolatile Flash/EE memory.
- Programmable DAC output ranges with the ability to retain output voltage during watchdog or software reset.
- Advanced interrupt controller with vectored interrupt capability and support for nested interrupts.
- Communication interfaces: 2×I2C, SPI, and 2×UART with configurable FIFO buffers.
- 16-bit PWM with six output signals.
- Low drift band gap reference, temperature sensor, and voltage comparator.
- Support for in-circuit download via UART or I2C and nonintrusive emulation via JTAG.
Applications
- Industrial control and automation systems.
- Smart sensors and precision instrumentation.
- Base station systems and optical networking.
- Patient monitoring systems.
Q & A
- What is the primary function of the ADUC7126BSTZ126?
The ADUC7126BSTZ126 is a fully integrated 1 MSPS, 12-bit data acquisition system that combines high-performance multichannel ADCs, 16-bit/32-bit MCUs, and Flash/EE memory on a single chip.
- What is the operating voltage range of the ADUC7126BSTZ126?
The operating voltage range is from 2.7 V to 3.6 V.
- What is the temperature range for the ADUC7126BSTZ126?
The device is specified for operation over an industrial temperature range of -40°C to +125°C.
- How many ADC inputs does the ADUC7126BSTZ126 have?
The ADC consists of up to 12 single-ended inputs, with an additional four inputs multiplexed with the four DAC output pins.
- What is the resolution of the ADC in the ADUC7126BSTZ126?
The ADC resolution is 12-bit.
- What type of MCU core does the ADUC7126BSTZ126 use?
The MCU core is an ARM7TDMI, a 16-bit/32-bit RISC machine.
- How much memory does the ADUC7126BSTZ126 have?
The device has 32 kB of SRAM and 126 kB of nonvolatile Flash/EE memory.
- What communication interfaces are available on the ADUC7126BSTZ126?
The device includes 2×I2C, SPI, and 2×UART interfaces.
- What is the package type of the ADUC7126BSTZ126?
The device is available in an 80-Lead LQFP package.
- What are some typical applications for the ADUC7126BSTZ126?
Typical applications include industrial control and automation systems, smart sensors, precision instrumentation, base station systems, optical networking, and patient monitoring.
