Overview
The ADUC814ARUZ, manufactured by Analog Devices Inc., is a fully integrated 12-bit data acquisition system-on-a-chip. This MicroConverter product combines a high-performance multichannel analog-to-digital converter (ADC), an 8-bit microcontroller (MCU), and program/data Flash/EE memory on a single chip. The device operates on a 3V or 5V power supply and is housed in a 28-pin TSSOP package. It features an 8052-compatible MCU core, dual 12-bit digital-to-analog converters (DACs), and various digital peripherals, making it suitable for a wide range of applications requiring precision analog and digital functionality.
Key Specifications
| Attribute | Specification |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Package | 28-Lead TSSOP (4.4mm x 9.7mm) |
| Number of Pins | 28 |
| Core Architecture | 8052 |
| Memory Type | FLASH |
| Memory Size | 8kB Flash, 640 bytes Flash/EE data memory, 256 bytes RAM |
| Min Supply Voltage | 2.7V |
| Max Supply Voltage | 5.5V |
| Operating Temperature Range | -40°C to +125°C |
| Number of ADC Channels | 6 |
| ADC Resolution | 12-bit |
| ADC Sample Rate | 247 kSPS |
| Number of DACs | 2 (12-bit resolution) |
| Interface | I2C, SPI, UART, USART |
| Peripherals | POR, Temp Sensor, WDT, Power Supply Monitor, Timer/Counters |
| Max Frequency | 16.78MHz |
Key Features
- Precision Analog Conversion: 6-channel 12-bit ADC with a sample rate of 247 kSPS and programmable reference via on-chip DAC.
- Dual 12-bit DACs: With 15 µs settling time, providing high accuracy for analog output.
- 8052-Compatible MCU: 8-bit MCU core with 8kB Flash/EE program memory, 640 bytes Flash/EE data memory, and 256 bytes RAM.
- Digital Peripherals: Includes watchdog timer, power supply monitor, three 16-bit timer/counters, and UART and SPI serial I/O.
- Low Power Operation: Operates from a single 3V or 5V supply with power dissipation below 10 mW when using a 3V supply.
- Extended Temperature Range: Fully specified for operation from -40°C to +125°C.
- In-Circuit Serial Download: Supports in-circuit serial download and debug modes via UART and single-pin emulation mode.
Applications
- Optical Networking: Laser power control and other optical networking applications.
- Base Station Systems: Power amplifier bias control in base station systems.
- Precision Instruments: Used in precision instruments and smart sensors.
- Battery-Powered Systems: Suitable for battery-powered systems and precision system monitors.
Q & A
- What is the ADUC814ARUZ?
The ADUC814ARUZ is a fully integrated 12-bit data acquisition system-on-a-chip manufactured by Analog Devices Inc.
- What package type does the ADUC814ARUZ come in?
The ADUC814ARUZ is housed in a 28-pin TSSOP package.
- What is the operating voltage range of the ADUC814ARUZ?
The device operates on a 2.7V to 5.5V power supply.
- What is the resolution and sample rate of the ADC?
The ADC has a 12-bit resolution and a sample rate of 247 kSPS.
- Does the ADUC814ARUZ support in-circuit serial download?
Yes, it supports in-circuit serial download and debug modes via UART and single-pin emulation mode.
- What are the key digital peripherals of the ADUC814ARUZ?
The device includes a watchdog timer, power supply monitor, three 16-bit timer/counters, and UART and SPI serial I/O.
- What is the temperature range for the ADUC814ARUZ?
The device is fully specified for operation from -40°C to +125°C.
- How much memory does the ADUC814ARUZ have?
The device has 8kB Flash/EE program memory, 640 bytes Flash/EE data memory, and 256 bytes RAM.
- What are some common applications of the ADUC814ARUZ?
Common applications include optical networking, base station systems, precision instruments, smart sensors, and battery-powered systems.
- Is the ADUC814ARUZ RoHS compliant?
Yes, the ADUC814ARUZ is RoHS compliant.
- What is the maximum frequency of the ADUC814ARUZ?
The maximum frequency is 16.78MHz.
